// Copyright (c) 2014 Google, Inc. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. // // FarmHash, by Geoff Pike #include "farmhash.h" // FARMHASH ASSUMPTIONS: Modify as needed, or use -DFARMHASH_ASSUME_SSE42 etc. // Note that if you use -DFARMHASH_ASSUME_SSE42 you likely need -msse42 // (or its equivalent for your compiler); if you use -DFARMHASH_ASSUME_AESNI // you likely need -maes (or its equivalent for your compiler). #ifdef FARMHASH_ASSUME_SSSE3 #undef FARMHASH_ASSUME_SSSE3 #define FARMHASH_ASSUME_SSSE3 … #endif #ifdef FARMHASH_ASSUME_SSE41 #undef FARMHASH_ASSUME_SSE41 #define FARMHASH_ASSUME_SSE41 … #endif #ifdef FARMHASH_ASSUME_SSE42 #undef FARMHASH_ASSUME_SSE42 #define FARMHASH_ASSUME_SSE42 … #endif #ifdef FARMHASH_ASSUME_AESNI #undef FARMHASH_ASSUME_AESNI #define FARMHASH_ASSUME_AESNI … #endif #ifdef FARMHASH_ASSUME_AVX #undef FARMHASH_ASSUME_AVX #define FARMHASH_ASSUME_AVX … #endif #if !defined(FARMHASH_CAN_USE_CXX11) && defined(LANG_CXX11) #define FARMHASH_CAN_USE_CXX11 … #else #undef FARMHASH_CAN_USE_CXX11 #define FARMHASH_CAN_USE_CXX11 … #endif // FARMHASH PORTABILITY LAYER: Runtime error if misconfigured #ifndef FARMHASH_DIE_IF_MISCONFIGURED #define FARMHASH_DIE_IF_MISCONFIGURED … #endif // FARMHASH PORTABILITY LAYER: "static inline" or similar #ifndef STATIC_INLINE #define STATIC_INLINE … #endif // FARMHASH PORTABILITY LAYER: LIKELY and UNLIKELY #if !defined(LIKELY) #if defined(FARMHASH_NO_BUILTIN_EXPECT) || (defined(FARMHASH_OPTIONAL_BUILTIN_EXPECT) && !defined(HAVE_BUILTIN_EXPECT)) #define LIKELY … #else #define LIKELY(x) … #endif #endif #undef UNLIKELY #define UNLIKELY(x) … // FARMHASH PORTABILITY LAYER: endianness and byteswapping functions #ifdef WORDS_BIGENDIAN #undef FARMHASH_BIG_ENDIAN #define FARMHASH_BIG_ENDIAN … #endif #if defined(FARMHASH_LITTLE_ENDIAN) && defined(FARMHASH_BIG_ENDIAN) #error #endif #if !defined(FARMHASH_LITTLE_ENDIAN) && !defined(FARMHASH_BIG_ENDIAN) #define FARMHASH_UNKNOWN_ENDIAN … #endif #if !defined(bswap_32) || !defined(bswap_64) #undef bswap_32 #undef bswap_64 #if defined(HAVE_BUILTIN_BSWAP) || defined(__clang__) || \ (defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 8) || \ __GNUC__ >= 5)) // Easy case for bswap: no header file needed. #define bswap_32(x) … #define bswap_64(x) … #endif #endif #if defined(FARMHASH_UNKNOWN_ENDIAN) || !defined(bswap_64) #ifdef _MSC_VER #undef bswap_32 #undef bswap_64 #define bswap_32 … #define bswap_64 … #elif defined(__APPLE__) // Mac OS X / Darwin features #include <libkern/OSByteOrder.h> #undef bswap_32 #undef bswap_64 #define bswap_32 … #define bswap_64 … #elif defined(__sun) || defined(sun) #include <sys/byteorder.h> #undef bswap_32 #undef bswap_64 #define bswap_32 … #define bswap_64 … #elif defined(__FreeBSD__) || defined(__DragonFly__) #include <sys/endian.h> #undef bswap_32 #undef bswap_64 #define bswap_32 … #define bswap_64 … #elif defined(__OpenBSD__) #include <sys/types.h> #undef bswap_32 #undef bswap_64 #define bswap_32 … #define bswap_64 … #elif defined(__NetBSD__) #include <sys/types.h> #include <machine/bswap.h> #if defined(__BSWAP_RENAME) && !defined(__bswap_32) #undef bswap_32 #undef bswap_64 #define bswap_32 … #define bswap_64 … #endif #else #undef bswap_32 #undef bswap_64 #include <byteswap.h> #endif #ifdef WORDS_BIGENDIAN #define FARMHASH_BIG_ENDIAN … #endif #endif #ifdef FARMHASH_BIG_ENDIAN #define uint32_in_expected_order … #define uint64_in_expected_order … #else #define uint32_in_expected_order(x) … #define uint64_in_expected_order(x) … #endif namespace NAMESPACE_FOR_HASH_FUNCTIONS { STATIC_INLINE uint64_t Fetch64(const char *p) { … } STATIC_INLINE uint32_t Fetch32(const char *p) { … } STATIC_INLINE uint32_t Bswap32(uint32_t val) { … } STATIC_INLINE uint64_t Bswap64(uint64_t val) { … } // FARMHASH PORTABILITY LAYER: bitwise rot STATIC_INLINE uint32_t BasicRotate32(uint32_t val, int shift) { … } STATIC_INLINE uint64_t BasicRotate64(uint64_t val, int shift) { … } #if defined(_MSC_VER) && defined(FARMHASH_ROTR) STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { return sizeof(unsigned long) == sizeof(val) ? _lrotr(val, shift) : BasicRotate32(val, shift); } STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { return sizeof(unsigned long) == sizeof(val) ? _lrotr(val, shift) : BasicRotate64(val, shift); } #else STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { … } STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { … } #endif } // namespace NAMESPACE_FOR_HASH_FUNCTIONS // FARMHASH PORTABILITY LAYER: debug mode or max speed? // One may use -DFARMHASH_DEBUG=1 or -DFARMHASH_DEBUG=0 to force the issue. #if !defined(FARMHASH_DEBUG) && (!defined(NDEBUG) || defined(_DEBUG)) #define FARMHASH_DEBUG … #endif #undef debug_mode #if FARMHASH_DEBUG #define debug_mode … #else #define debug_mode … #endif // PLATFORM-SPECIFIC FUNCTIONS AND MACROS #undef x86_64 #if defined (__x86_64) || defined (__x86_64__) #define x86_64 … #else #define x86_64 … #endif #undef x86 #if defined(__i386__) || defined(__i386) || defined(__X86__) #define x86 … #else #define x86 … #endif #if !defined(is_64bit) #define is_64bit … #endif #undef can_use_ssse3 #if defined(__SSSE3__) || defined(FARMHASH_ASSUME_SSSE3) #include <immintrin.h> #define can_use_ssse3 … // Now we can use _mm_hsub_epi16 and so on. #else #define can_use_ssse3 … #endif #undef can_use_sse41 #if defined(__SSE4_1__) || defined(FARMHASH_ASSUME_SSE41) #include <immintrin.h> #define can_use_sse41 … // Now we can use _mm_insert_epi64 and so on. #else #define can_use_sse41 … #endif #undef can_use_sse42 #if defined(__SSE4_2__) || defined(FARMHASH_ASSUME_SSE42) #include <nmmintrin.h> #define can_use_sse42 … // Now we can use _mm_crc32_u{32,16,8}. And on 64-bit platforms, _mm_crc32_u64. #else #define can_use_sse42 … #endif #undef can_use_aesni #if defined(__AES__) || defined(FARMHASH_ASSUME_AESNI) #include <wmmintrin.h> #define can_use_aesni … // Now we can use _mm_aesimc_si128 and so on. #else #define can_use_aesni … #endif #undef can_use_avx #if defined(__AVX__) || defined(FARMHASH_ASSUME_AVX) #include <immintrin.h> #define can_use_avx … #else #define can_use_avx … #endif #if can_use_ssse3 || can_use_sse41 || can_use_sse42 || can_use_aesni || can_use_avx STATIC_INLINE __m128i Fetch128(const char* s) { return _mm_loadu_si128(reinterpret_cast<const __m128i*>(s)); } #endif // Building blocks for hash functions // std::swap() was in <algorithm> but is in <utility> from C++11 on. #if !FARMHASH_CAN_USE_CXX11 #include <algorithm> #endif #undef PERMUTE3 #define PERMUTE3(a, b, c) … namespace NAMESPACE_FOR_HASH_FUNCTIONS { // Some primes between 2^63 and 2^64 for various uses. static const uint64_t k0 = …; static const uint64_t k1 = …; static const uint64_t k2 = …; // Magic numbers for 32-bit hashing. Copied from Murmur3. static const uint32_t c1 = …; static const uint32_t c2 = …; // A 32-bit to 32-bit integer hash copied from Murmur3. STATIC_INLINE uint32_t fmix(uint32_t h) { … } STATIC_INLINE uint32_t Mur(uint32_t a, uint32_t h) { … } template <typename T> STATIC_INLINE T DebugTweak(T x) { … } template <> uint128_t DebugTweak(uint128_t x) { … } } // namespace NAMESPACE_FOR_HASH_FUNCTIONS usingnamespacestd; usingnamespaceNAMESPACE_FOR_HASH_FUNCTIONS; namespace farmhashna { #undef Fetch #define Fetch … #undef Rotate #define Rotate … #undef Bswap #define Bswap … STATIC_INLINE uint64_t ShiftMix(uint64_t val) { … } STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { … } STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { … } STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { … } // This probably works well for 16-byte strings as well, but it may be overkill // in that case. STATIC_INLINE uint64_t HashLen17to32(const char *s, size_t len) { … } // Return a 16-byte hash for 48 bytes. Quick and dirty. // Callers do best to use "random-looking" values for a and b. STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { … } // Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( const char* s, uint64_t a, uint64_t b) { … } // Return an 8-byte hash for 33 to 64 bytes. STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { … } uint64_t Hash64(const char *s, size_t len) { … } uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1); uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { … } uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { … } } // namespace farmhashna namespace farmhashuo { #undef Fetch #define Fetch … #undef Rotate #define Rotate … STATIC_INLINE uint64_t H(uint64_t x, uint64_t y, uint64_t mul, int r) { … } uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { … } uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { … } uint64_t Hash64(const char *s, size_t len) { … } } // namespace farmhashuo namespace farmhashxo { #undef Fetch #define Fetch … #undef Rotate #define Rotate … STATIC_INLINE uint64_t H32(const char *s, size_t len, uint64_t mul, uint64_t seed0 = 0, uint64_t seed1 = 0) { … } // Return an 8-byte hash for 33 to 64 bytes. STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { … } // Return an 8-byte hash for 65 to 96 bytes. STATIC_INLINE uint64_t HashLen65to96(const char *s, size_t len) { … } uint64_t Hash64(const char *s, size_t len) { … } uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { … } uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { … } } // namespace farmhashxo namespace farmhashte { #if !can_use_sse41 || !x86_64 uint64_t Hash64(const char *s, size_t len) { … } uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { … } uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { … } #else #undef Fetch #define Fetch … #undef Rotate #define Rotate … #undef Bswap #define Bswap … // Helpers for data-parallel operations (1x 128 bits or 2x 64 or 4x 32). STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi64(x, y); } STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } STATIC_INLINE __m128i Shuf(__m128i x, __m128i y) { return _mm_shuffle_epi8(y, x); } // Requires n >= 256. Requires SSE4.1. Should be slightly faster if the // compiler uses AVX instructions (e.g., use the -mavx flag with GCC). STATIC_INLINE uint64_t Hash64Long(const char* s, size_t n, uint64_t seed0, uint64_t seed1) { const __m128i kShuf = _mm_set_epi8(4, 11, 10, 5, 8, 15, 6, 9, 12, 2, 14, 13, 0, 7, 3, 1); const __m128i kMult = _mm_set_epi8(0xbd, 0xd6, 0x33, 0x39, 0x45, 0x54, 0xfa, 0x03, 0x34, 0x3e, 0x33, 0xed, 0xcc, 0x9e, 0x2d, 0x51); uint64_t seed2 = (seed0 + 113) * (seed1 + 9); uint64_t seed3 = (Rotate(seed0, 23) + 27) * (Rotate(seed1, 30) + 111); __m128i d0 = _mm_cvtsi64_si128(seed0); __m128i d1 = _mm_cvtsi64_si128(seed1); __m128i d2 = Shuf(kShuf, d0); __m128i d3 = Shuf(kShuf, d1); __m128i d4 = Xor(d0, d1); __m128i d5 = Xor(d1, d2); __m128i d6 = Xor(d2, d4); __m128i d7 = _mm_set1_epi32(seed2 >> 32); __m128i d8 = Mul(kMult, d2); __m128i d9 = _mm_set1_epi32(seed3 >> 32); __m128i d10 = _mm_set1_epi32(seed3); __m128i d11 = Add(d2, _mm_set1_epi32(seed2)); const char* end = s + (n & ~static_cast<size_t>(255)); do { __m128i z; z = Fetch128(s); d0 = Add(d0, z); d1 = Shuf(kShuf, d1); d2 = Xor(d2, d0); d4 = Xor(d4, z); d4 = Xor(d4, d1); std::swap(d0, d6); z = Fetch128(s + 16); d5 = Add(d5, z); d6 = Shuf(kShuf, d6); d8 = Shuf(kShuf, d8); d7 = Xor(d7, d5); d0 = Xor(d0, z); d0 = Xor(d0, d6); std::swap(d5, d11); z = Fetch128(s + 32); d1 = Add(d1, z); d2 = Shuf(kShuf, d2); d4 = Shuf(kShuf, d4); d5 = Xor(d5, z); d5 = Xor(d5, d2); std::swap(d10, d4); z = Fetch128(s + 48); d6 = Add(d6, z); d7 = Shuf(kShuf, d7); d0 = Shuf(kShuf, d0); d8 = Xor(d8, d6); d1 = Xor(d1, z); d1 = Add(d1, d7); z = Fetch128(s + 64); d2 = Add(d2, z); d5 = Shuf(kShuf, d5); d4 = Add(d4, d2); d6 = Xor(d6, z); d6 = Xor(d6, d11); std::swap(d8, d2); z = Fetch128(s + 80); d7 = Xor(d7, z); d8 = Shuf(kShuf, d8); d1 = Shuf(kShuf, d1); d0 = Add(d0, d7); d2 = Add(d2, z); d2 = Add(d2, d8); std::swap(d1, d7); z = Fetch128(s + 96); d4 = Shuf(kShuf, d4); d6 = Shuf(kShuf, d6); d8 = Mul(kMult, d8); d5 = Xor(d5, d11); d7 = Xor(d7, z); d7 = Add(d7, d4); std::swap(d6, d0); z = Fetch128(s + 112); d8 = Add(d8, z); d0 = Shuf(kShuf, d0); d2 = Shuf(kShuf, d2); d1 = Xor(d1, d8); d10 = Xor(d10, z); d10 = Xor(d10, d0); std::swap(d11, d5); z = Fetch128(s + 128); d4 = Add(d4, z); d5 = Shuf(kShuf, d5); d7 = Shuf(kShuf, d7); d6 = Add(d6, d4); d8 = Xor(d8, z); d8 = Xor(d8, d5); std::swap(d4, d10); z = Fetch128(s + 144); d0 = Add(d0, z); d1 = Shuf(kShuf, d1); d2 = Add(d2, d0); d4 = Xor(d4, z); d4 = Xor(d4, d1); z = Fetch128(s + 160); d5 = Add(d5, z); d6 = Shuf(kShuf, d6); d8 = Shuf(kShuf, d8); d7 = Xor(d7, d5); d0 = Xor(d0, z); d0 = Xor(d0, d6); std::swap(d2, d8); z = Fetch128(s + 176); d1 = Add(d1, z); d2 = Shuf(kShuf, d2); d4 = Shuf(kShuf, d4); d5 = Mul(kMult, d5); d5 = Xor(d5, z); d5 = Xor(d5, d2); std::swap(d7, d1); z = Fetch128(s + 192); d6 = Add(d6, z); d7 = Shuf(kShuf, d7); d0 = Shuf(kShuf, d0); d8 = Add(d8, d6); d1 = Xor(d1, z); d1 = Xor(d1, d7); std::swap(d0, d6); z = Fetch128(s + 208); d2 = Add(d2, z); d5 = Shuf(kShuf, d5); d4 = Xor(d4, d2); d6 = Xor(d6, z); d6 = Xor(d6, d9); std::swap(d5, d11); z = Fetch128(s + 224); d7 = Add(d7, z); d8 = Shuf(kShuf, d8); d1 = Shuf(kShuf, d1); d0 = Xor(d0, d7); d2 = Xor(d2, z); d2 = Xor(d2, d8); std::swap(d10, d4); z = Fetch128(s + 240); d3 = Add(d3, z); d4 = Shuf(kShuf, d4); d6 = Shuf(kShuf, d6); d7 = Mul(kMult, d7); d5 = Add(d5, d3); d7 = Xor(d7, z); d7 = Xor(d7, d4); std::swap(d3, d9); s += 256; } while (s != end); d6 = Add(Mul(kMult, d6), _mm_cvtsi64_si128(n)); if (n % 256 != 0) { d7 = Add(_mm_shuffle_epi32(d8, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)), d7); d8 = Add(Mul(kMult, d8), _mm_cvtsi64_si128(farmhashxo::Hash64(s, n % 256))); } __m128i t[8]; d0 = Mul(kMult, Shuf(kShuf, Mul(kMult, d0))); d3 = Mul(kMult, Shuf(kShuf, Mul(kMult, d3))); d9 = Mul(kMult, Shuf(kShuf, Mul(kMult, d9))); d1 = Mul(kMult, Shuf(kShuf, Mul(kMult, d1))); d0 = Add(d11, d0); d3 = Xor(d7, d3); d9 = Add(d8, d9); d1 = Add(d10, d1); d4 = Add(d3, d4); d5 = Add(d9, d5); d6 = Xor(d1, d6); d2 = Add(d0, d2); t[0] = d0; t[1] = d3; t[2] = d9; t[3] = d1; t[4] = d4; t[5] = d5; t[6] = d6; t[7] = d2; return farmhashxo::Hash64(reinterpret_cast<const char*>(t), sizeof(t)); } uint64_t Hash64(const char *s, size_t len) { // Empirically, farmhashxo seems faster until length 512. return len >= 512 ? Hash64Long(s, len, k2, k1) : farmhashxo::Hash64(s, len); } uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { return len >= 512 ? Hash64Long(s, len, k1, seed) : farmhashxo::Hash64WithSeed(s, len, seed); } uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { return len >= 512 ? Hash64Long(s, len, seed0, seed1) : farmhashxo::Hash64WithSeeds(s, len, seed0, seed1); } #endif } // namespace farmhashte namespace farmhashnt { #if !can_use_sse41 || !x86_64 uint32_t Hash32(const char *s, size_t len) { … } uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { … } #else uint32_t Hash32(const char *s, size_t len) { return static_cast<uint32_t>(farmhashte::Hash64(s, len)); } uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { return static_cast<uint32_t>(farmhashte::Hash64WithSeed(s, len, seed)); } #endif } // namespace farmhashnt namespace farmhashmk { #undef Fetch #define Fetch … #undef Rotate #define Rotate … #undef Bswap #define Bswap … STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len, uint32_t seed = 0) { … } STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len, uint32_t seed = 0) { … } STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len, uint32_t seed = 0) { … } uint32_t Hash32(const char *s, size_t len) { … } uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { … } } // namespace farmhashmk namespace farmhashsu { #if !can_use_sse42 || !can_use_aesni uint32_t Hash32(const char *s, size_t len) { … } uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { … } #else #undef Fetch #define Fetch … #undef Rotate #define Rotate … #undef Bswap #define Bswap … // Helpers for data-parallel operations (4x 32-bits). STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } STATIC_INLINE __m128i RotateLeft(__m128i x, int c) { return Or(_mm_slli_epi32(x, c), _mm_srli_epi32(x, 32 - c)); } STATIC_INLINE __m128i Rol17(__m128i x) { return RotateLeft(x, 17); } STATIC_INLINE __m128i Rol19(__m128i x) { return RotateLeft(x, 19); } STATIC_INLINE __m128i Shuffle0321(__m128i x) { return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); } uint32_t Hash32(const char *s, size_t len) { const uint32_t seed = 81; if (len <= 24) { return len <= 12 ? (len <= 4 ? farmhashmk::Hash32Len0to4(s, len) : farmhashmk::Hash32Len5to12(s, len)) : farmhashmk::Hash32Len13to24(s, len); } if (len < 40) { uint32_t a = len, b = seed * c2, c = a + b; a += Fetch(s + len - 4); b += Fetch(s + len - 20); c += Fetch(s + len - 16); uint32_t d = a; a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); a = Mur(a, Mur(b, _mm_crc32_u32(c, d))); a += Fetch(s + len - 12); b += Fetch(s + len - 8); d += a; a += d; b = Mur(b, d) * c2; a = _mm_crc32_u32(a, b + c); return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; } #undef Mulc1 #define Mulc1 … #undef Mulc2 #define Mulc2 … #undef Murk #define Murk … const __m128i cc1 = _mm_set1_epi32(c1); const __m128i cc2 = _mm_set1_epi32(c2); __m128i h = _mm_set1_epi32(seed); __m128i g = _mm_set1_epi32(c1 * seed); __m128i f = g; __m128i k = _mm_set1_epi32(0xe6546b64); __m128i q; if (len < 80) { __m128i a = Fetch128(s); __m128i b = Fetch128(s + 16); __m128i c = Fetch128(s + (len - 15) / 2); __m128i d = Fetch128(s + len - 32); __m128i e = Fetch128(s + len - 16); h = Add(h, a); g = Add(g, b); q = g; g = Shuffle0321(g); f = Add(f, c); __m128i be = Add(b, Mulc1(e)); h = Add(h, f); f = Add(f, h); h = Add(Murk(d, h), e); k = Xor(k, _mm_shuffle_epi8(g, f)); g = Add(Xor(c, g), a); f = Add(Xor(be, f), d); k = Add(k, be); k = Add(k, _mm_shuffle_epi8(f, h)); f = Add(f, g); g = Add(g, f); g = Add(_mm_set1_epi32(len), Mulc1(g)); } else { // len >= 80 // The following is loosely modelled after farmhashmk::Hash32. size_t iters = (len - 1) / 80; len -= iters * 80; #undef Chunk #define Chunk … q = g; while (iters-- != 0) { Chunk(); s += 80; } if (len != 0) { h = Add(h, _mm_set1_epi32(len)); s = s + len - 80; Chunk(); } } g = Shuffle0321(g); k = Xor(k, g); k = Xor(k, q); h = Xor(h, q); f = Mulc1(f); k = Mulc2(k); g = Mulc1(g); h = Mulc2(h); k = Add(k, _mm_shuffle_epi8(g, f)); h = Add(h, f); f = Add(f, h); g = Add(g, k); k = Add(k, g); k = Xor(k, _mm_shuffle_epi8(f, h)); __m128i buf[4]; buf[0] = f; buf[1] = g; buf[2] = k; buf[3] = h; s = reinterpret_cast<char*>(buf); uint32_t x = Fetch(s); uint32_t y = Fetch(s+4); uint32_t z = Fetch(s+8); x = _mm_crc32_u32(x, Fetch(s+12)); y = _mm_crc32_u32(y, Fetch(s+16)); z = _mm_crc32_u32(z * c1, Fetch(s+20)); x = _mm_crc32_u32(x, Fetch(s+24)); y = _mm_crc32_u32(y * c1, Fetch(s+28)); uint32_t o = y; z = _mm_crc32_u32(z, Fetch(s+32)); x = _mm_crc32_u32(x * c1, Fetch(s+36)); y = _mm_crc32_u32(y, Fetch(s+40)); z = _mm_crc32_u32(z * c1, Fetch(s+44)); x = _mm_crc32_u32(x, Fetch(s+48)); y = _mm_crc32_u32(y * c1, Fetch(s+52)); z = _mm_crc32_u32(z, Fetch(s+56)); x = _mm_crc32_u32(x, Fetch(s+60)); return (o - x + y - z) * c1; } #undef Chunk #undef Murk #undef Mulc2 #undef Mulc1 uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { if (len <= 24) { if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); else return farmhashmk::Hash32Len0to4(s, len, seed); } uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); } #endif } // namespace farmhashsu namespace farmhashsa { #if !can_use_sse42 uint32_t Hash32(const char *s, size_t len) { … } uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { … } #else #undef Fetch #define Fetch … #undef Rotate #define Rotate … #undef Bswap #define Bswap … // Helpers for data-parallel operations (4x 32-bits). STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } STATIC_INLINE __m128i Rotate(__m128i x, int c) { return Or(_mm_slli_epi32(x, c), _mm_srli_epi32(x, 32 - c)); } STATIC_INLINE __m128i Rot17(__m128i x) { return Rotate(x, 17); } STATIC_INLINE __m128i Rot19(__m128i x) { return Rotate(x, 19); } STATIC_INLINE __m128i Shuffle0321(__m128i x) { return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); } uint32_t Hash32(const char *s, size_t len) { const uint32_t seed = 81; if (len <= 24) { return len <= 12 ? (len <= 4 ? farmhashmk::Hash32Len0to4(s, len) : farmhashmk::Hash32Len5to12(s, len)) : farmhashmk::Hash32Len13to24(s, len); } if (len < 40) { uint32_t a = len, b = seed * c2, c = a + b; a += Fetch(s + len - 4); b += Fetch(s + len - 20); c += Fetch(s + len - 16); uint32_t d = a; a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); a = Mur(a, Mur(b, Mur(c, d))); a += Fetch(s + len - 12); b += Fetch(s + len - 8); d += a; a += d; b = Mur(b, d) * c2; a = _mm_crc32_u32(a, b + c); return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; } #undef Mulc1 #define Mulc1 … #undef Mulc2 #define Mulc2 … #undef Murk #define Murk … const __m128i cc1 = _mm_set1_epi32(c1); const __m128i cc2 = _mm_set1_epi32(c2); __m128i h = _mm_set1_epi32(seed); __m128i g = _mm_set1_epi32(c1 * seed); __m128i f = g; __m128i k = _mm_set1_epi32(0xe6546b64); if (len < 80) { __m128i a = Fetch128(s); __m128i b = Fetch128(s + 16); __m128i c = Fetch128(s + (len - 15) / 2); __m128i d = Fetch128(s + len - 32); __m128i e = Fetch128(s + len - 16); h = Add(h, a); g = Add(g, b); g = Shuffle0321(g); f = Add(f, c); __m128i be = Add(b, Mulc1(e)); h = Add(h, f); f = Add(f, h); h = Add(Murk(d, h), e); k = Xor(k, _mm_shuffle_epi8(g, f)); g = Add(Xor(c, g), a); f = Add(Xor(be, f), d); k = Add(k, be); k = Add(k, _mm_shuffle_epi8(f, h)); f = Add(f, g); g = Add(g, f); g = Add(_mm_set1_epi32(len), Mulc1(g)); } else { // len >= 80 // The following is loosely modelled after farmhashmk::Hash32. size_t iters = (len - 1) / 80; len -= iters * 80; #undef Chunk #define Chunk … while (iters-- != 0) { Chunk(); s += 80; } if (len != 0) { h = Add(h, _mm_set1_epi32(len)); s = s + len - 80; Chunk(); } } g = Shuffle0321(g); k = Xor(k, g); f = Mulc1(f); k = Mulc2(k); g = Mulc1(g); h = Mulc2(h); k = Add(k, _mm_shuffle_epi8(g, f)); h = Add(h, f); f = Add(f, h); g = Add(g, k); k = Add(k, g); k = Xor(k, _mm_shuffle_epi8(f, h)); __m128i buf[4]; buf[0] = f; buf[1] = g; buf[2] = k; buf[3] = h; s = reinterpret_cast<char*>(buf); uint32_t x = Fetch(s); uint32_t y = Fetch(s+4); uint32_t z = Fetch(s+8); x = _mm_crc32_u32(x, Fetch(s+12)); y = _mm_crc32_u32(y, Fetch(s+16)); z = _mm_crc32_u32(z * c1, Fetch(s+20)); x = _mm_crc32_u32(x, Fetch(s+24)); y = _mm_crc32_u32(y * c1, Fetch(s+28)); uint32_t o = y; z = _mm_crc32_u32(z, Fetch(s+32)); x = _mm_crc32_u32(x * c1, Fetch(s+36)); y = _mm_crc32_u32(y, Fetch(s+40)); z = _mm_crc32_u32(z * c1, Fetch(s+44)); x = _mm_crc32_u32(x, Fetch(s+48)); y = _mm_crc32_u32(y * c1, Fetch(s+52)); z = _mm_crc32_u32(z, Fetch(s+56)); x = _mm_crc32_u32(x, Fetch(s+60)); return (o - x + y - z) * c1; } #undef Chunk #undef Murk #undef Mulc2 #undef Mulc1 uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { if (len <= 24) { if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); else return farmhashmk::Hash32Len0to4(s, len, seed); } uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); } #endif } // namespace farmhashsa namespace farmhashcc { // This file provides a 32-bit hash equivalent to CityHash32 (v1.1.1) // and a 128-bit hash equivalent to CityHash128 (v1.1.1). It also provides // a seeded 32-bit hash function similar to CityHash32. #undef Fetch #define Fetch … #undef Rotate #define Rotate … #undef Bswap #define Bswap … STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len) { … } STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len) { … } STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len) { … } uint32_t Hash32(const char *s, size_t len) { … } uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { … } #undef Fetch #define Fetch … #undef Rotate #define Rotate … #undef Bswap #define Bswap … STATIC_INLINE uint64_t ShiftMix(uint64_t val) { … } STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { … } STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { … } STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { … } // Return a 16-byte hash for 48 bytes. Quick and dirty. // Callers do best to use "random-looking" values for a and b. STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { … } // Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( const char* s, uint64_t a, uint64_t b) { … } // A subroutine for CityHash128(). Returns a decent 128-bit hash for strings // of any length representable in signed long. Based on City and Murmur. STATIC_INLINE uint128_t CityMurmur(const char *s, size_t len, uint128_t seed) { … } uint128_t CityHash128WithSeed(const char *s, size_t len, uint128_t seed) { … } STATIC_INLINE uint128_t CityHash128(const char *s, size_t len) { … } uint128_t Fingerprint128(const char* s, size_t len) { … } } // namespace farmhashcc namespace NAMESPACE_FOR_HASH_FUNCTIONS { // BASIC STRING HASHING // Hash function for a byte array. See also Hash(), below. // May change from time to time, may differ on different platforms, may differ // depending on NDEBUG. uint32_t Hash32(const char* s, size_t len) { … } // Hash function for a byte array. For convenience, a 32-bit seed is also // hashed into the result. // May change from time to time, may differ on different platforms, may differ // depending on NDEBUG. uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed) { … } // Hash function for a byte array. For convenience, a 64-bit seed is also // hashed into the result. See also Hash(), below. // May change from time to time, may differ on different platforms, may differ // depending on NDEBUG. uint64_t Hash64(const char* s, size_t len) { … } // Hash function for a byte array. // May change from time to time, may differ on different platforms, may differ // depending on NDEBUG. size_t Hash(const char* s, size_t len) { … } // Hash function for a byte array. For convenience, a 64-bit seed is also // hashed into the result. // May change from time to time, may differ on different platforms, may differ // depending on NDEBUG. uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed) { … } // Hash function for a byte array. For convenience, two seeds are also // hashed into the result. // May change from time to time, may differ on different platforms, may differ // depending on NDEBUG. uint64_t Hash64WithSeeds(const char* s, size_t len, uint64_t seed0, uint64_t seed1) { … } // Hash function for a byte array. // May change from time to time, may differ on different platforms, may differ // depending on NDEBUG. uint128_t Hash128(const char* s, size_t len) { … } // Hash function for a byte array. For convenience, a 128-bit seed is also // hashed into the result. // May change from time to time, may differ on different platforms, may differ // depending on NDEBUG. uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed) { … } // BASIC NON-STRING HASHING // FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) // Fingerprint function for a byte array. Most useful in 32-bit binaries. uint32_t Fingerprint32(const char* s, size_t len) { … } // Fingerprint function for a byte array. uint64_t Fingerprint64(const char* s, size_t len) { … } // Fingerprint function for a byte array. uint128_t Fingerprint128(const char* s, size_t len) { … } // Older and still available but perhaps not as fast as the above: // farmhashns::Hash32{,WithSeed}() } // namespace NAMESPACE_FOR_HASH_FUNCTIONS #if FARMHASHSELFTEST #ifndef FARMHASH_SELF_TEST_GUARD #define FARMHASH_SELF_TEST_GUARD #include <cstdio> #include <iostream> #include <string.h> using std::cout; using std::cerr; using std::endl; using std::hex; static const uint64_t kSeed0 = 1234567; static const uint64_t kSeed1 = k0; static const int kDataSize = 1 << 20; static const int kTestSize = 300; #define kSeed128 … static char data[kDataSize]; static int completed_self_tests = 0; static int errors = 0; // Initialize data to pseudorandom values. void Setup() { if (completed_self_tests == 0) { uint64_t a = 9; uint64_t b = 777; for (int i = 0; i < kDataSize; i++) { a += b; b += a; a = (a ^ (a >> 41)) * k0; b = (b ^ (b >> 41)) * k0 + i; uint8_t u = b >> 37; memcpy(data + i, &u, 1); // uint8_t -> char } } } int NoteErrors() { #define NUM_SELF_TESTS … if (++completed_self_tests == NUM_SELF_TESTS) std::exit(errors > 0); return errors; } template <typename T> inline bool IsNonZero(T x) { return x != 0; } template <> inline bool IsNonZero<uint128_t>(uint128_t x) { return x != Uint128(0, 0); } #endif // FARMHASH_SELF_TEST_GUARD namespace farmhashccTest { uint32_t CreateSeed(int offset, int salt) { uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h += static_cast<uint32_t>(offset & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); return h; } #undef SEED #undef SEED1 #undef SEED0 #define SEED … #define SEED0 … #define SEED1 … #undef TESTING #define TESTING … #if TESTING uint32_t expected[] = { 4223616069u, 3696677242u, 1039179260u, 1690343979u, 1018511555u, 2464489001u, 20368522u, 2663783964u, 175201532u, 1619210592u, 4081014168u, 2576519988u, 3285042206u, 502478099u, 739479538u, 1500332790u, 13754768u, 3789353455u, 3473868058u, 1909255088u, 2212771159u, 1112731063u, 826915357u, 2893489933u, 118369799u, 1848668220u, 1308219822u, 249416982u, 64306364u, 4221800195u, 1020067935u, 3955445564u, 563346294u, 550236731u, 2339016688u, 1826259714u, 3872358639u, 2295981050u, 1870005390u, 4015628802u, 1451961420u, 653440099u, 1292493871u, 164377749u, 1717712483u, 463414587u, 3924343675u, 1050492084u, 3566618804u, 2046983362u, 31917516u, 2957164615u, 230718965u, 999595115u, 3534822176u, 2175709186u, 965707431u, 441796222u, 2481718051u, 1827777486u, 2590087362u, 3879448744u, 3515079898u, 1601433082u, 982764532u, 254808716u, 1293372530u, 4205605817u, 947001462u, 1138890052u, 176305566u, 2447367541u, 2973802542u, 4123621138u, 3083865840u, 1706367795u, 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45915516u, 259525626u, 1045384743u, 4134656562u, 749389261u, 874399445u, 616549904u, 2200447504u, 436024539u, 78972290u, 3210485762u, 1907985531u, 3013721395u, 4214533685u, 4198804243u, 534879265u, 1517190881u, 3756787754u, 1152563554u, 1718750948u, 777737463u, 1402478860u, 1824562784u, 1879401449u, 3515818786u, 513165201u, 1423491227u, 2103067918u, 2291777410u, 1097943000u, }; // Return false only if offset is -1 and a spot check of 3 hashes all yield 0. bool Test(int offset, int len = 0) { #undef Check #undef IsAlive #define Check … #define IsAlive … // After the following line is where the uses of "Check" and such will go. static int index = 0; if (offset == -1) { int alive = 0; IsAlive(farmhashcc::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashcc::Hash32(data, len++)); { uint128_t u = farmhashcc::Fingerprint128(data, len++); uint64_t h = Uint128Low64(u); IsAlive(h >> 32); IsAlive((h << 32) >> 32); h = Uint128High64(u); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } Check(farmhashcc::Hash32WithSeed(data + offset, len, SEED)); Check(farmhashcc::Hash32(data + offset, len)); { uint128_t u = farmhashcc::Fingerprint128(data + offset, len); uint64_t h = Uint128Low64(u); Check(h >> 32); Check((h << 32) >> 32); h = Uint128High64(u); Check(h >> 32); Check((h << 32) >> 32); } { uint128_t u = farmhashcc::CityHash128WithSeed(data + offset, len, Uint128(SEED0, SEED1)); uint64_t h = Uint128Low64(u); Check(h >> 32); Check((h << 32) >> 32); h = Uint128High64(u); Check(h >> 32); Check((h << 32) >> 32); } return true; #undef Check #undef IsAlive } int RunTest() { Setup(); int i = 0; cout << "Running farmhashccTest"; if (!Test(-1)) { cout << "... Unavailable\n"; return NoteErrors(); } // Good. The function is attempting to hash, so run the full test. int errors_prior_to_test = errors; for ( ; i < kTestSize - 1; i++) { Test(i * i, i); } for ( ; i < kDataSize; i += i / 7) { Test(0, i); } Test(0, kDataSize); cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); return NoteErrors(); } #else // After the following line is where the code to print hash codes will go. void Dump(int offset, int len) { cout << farmhashcc::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; cout << farmhashcc::Hash32(data + offset, len) << "u," << endl; { uint128_t u = farmhashcc::Fingerprint128(data + offset, len); uint64_t h = Uint128Low64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u, "; h = Uint128High64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint128_t u = farmhashcc::CityHash128WithSeed(data + offset, len, Uint128(SEED0, SEED1)); uint64_t h = Uint128Low64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u, "; h = Uint128High64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } } #endif #undef SEED #undef SEED1 #undef SEED0 } // namespace farmhashccTest #if !TESTING int main(int argc, char** argv) { Setup(); cout << "uint32_t expected[] = {\n"; int i = 0; for ( ; i < kTestSize - 1; i++) { farmhashccTest::Dump(i * i, i); } for ( ; i < kDataSize; i += i / 7) { farmhashccTest::Dump(0, i); } farmhashccTest::Dump(0, kDataSize); cout << "};\n"; } #endif #ifndef FARMHASH_SELF_TEST_GUARD #define FARMHASH_SELF_TEST_GUARD #include <cstdio> #include <iostream> #include <string.h> using std::cout; using std::cerr; using std::endl; using std::hex; static const uint64_t kSeed0 = 1234567; static const uint64_t kSeed1 = k0; static const int kDataSize = 1 << 20; static const int kTestSize = 300; #define kSeed128 … static char data[kDataSize]; static int completed_self_tests = 0; static int errors = 0; // Initialize data to pseudorandom values. void Setup() { if (completed_self_tests == 0) { uint64_t a = 9; uint64_t b = 777; for (int i = 0; i < kDataSize; i++) { a += b; b += a; a = (a ^ (a >> 41)) * k0; b = (b ^ (b >> 41)) * k0 + i; uint8_t u = b >> 37; memcpy(data + i, &u, 1); // uint8_t -> char } } } int NoteErrors() { #define NUM_SELF_TESTS … if (++completed_self_tests == NUM_SELF_TESTS) std::exit(errors > 0); return errors; } template <typename T> inline bool IsNonZero(T x) { return x != 0; } template <> inline bool IsNonZero<uint128_t>(uint128_t x) { return x != Uint128(0, 0); } #endif // FARMHASH_SELF_TEST_GUARD namespace farmhashmkTest { uint32_t CreateSeed(int offset, int salt) { uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h += static_cast<uint32_t>(offset & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); return h; } #undef SEED #undef SEED1 #undef SEED0 #define SEED … #define SEED0 … #define SEED1 … #undef TESTING #define TESTING … #if TESTING uint32_t expected[] = { 4223616069u, 3696677242u, 4081014168u, 2576519988u, 2212771159u, 1112731063u, 1020067935u, 3955445564u, 1451961420u, 653440099u, 31917516u, 2957164615u, 2590087362u, 3879448744u, 176305566u, 2447367541u, 1359016305u, 3363804638u, 1117290165u, 1062549743u, 2437877004u, 1894455839u, 673206794u, 3486923651u, 3269862919u, 2303349487u, 1380660650u, 595525107u, 1525325287u, 2025609358u, 176408838u, 1592885012u, 864896482u, 2101378090u, 3489229104u, 2118965695u, 581644891u, 2718789079u, 631613207u, 4228658372u, 3867875546u, 3531368319u, 3804516756u, 3317755099u, 1619744564u, 2884717286u, 1088213445u, 2667691076u, 3727873235u, 2330406762u, 3616470388u, 967660719u, 4148162586u, 315219121u, 673084328u, 3047602355u, 1598963653u, 1267826661u, 2117362589u, 2861192253u, 1823625377u, 1380350078u, 1641748342u, 1176094482u, 269384321u, 2178982315u, 3480237248u, 2660755208u, 1850544433u, 3429699438u, 1262819303u, 640556464u, 2421125401u, 2188368608u, 2612932825u, 1474432581u, 173790449u, 2124882189u, 831272654u, 622960146u, 4238751051u, 3250317967u, 2120810248u, 1948231495u, 1389029321u, 2200398357u, 2134232963u, 2948072329u, 617717625u, 681164587u, 114859387u, 430545646u, 57239089u, 3163338012u, 3482496399u, 557662576u, 1102441413u, 2670159360u, 991116729u, 846014240u, 4233741566u, 1802317242u, 3129528802u, 1459456375u, 1305643039u, 3258671612u, 1578285833u, 868590079u, 1631034517u, 1695432937u, 561078856u, 1004115553u, 3086090507u, 3818348650u, 731596645u, 780926790u, 2544205955u, 158479164u, 3983514188u, 2004735250u, 3436218400u, 673684751u, 1463431419u, 2880490219u, 3223748024u, 2218318859u, 1474466194u, 2636437533u, 2206794961u, 140995728u, 1186394086u, 1805716888u, 1640037724u, 3942729099u, 1944727013u, 918951560u, 498666871u, 3486974657u, 2967205462u, 1167253804u, 1884281041u, 2866015002u, 4158319270u, 2627220079u, 3733319624u, 3317092271u, 438323662u, 3195868065u, 3426606709u, 360708338u, 1905491012u, 650004803u, 1351266252u, 3133279000u, 3722811115u, 2722412434u, 918432408u, 3678271248u, 269599647u, 621514057u, 3117077855u, 1545425390u, 2597567410u, 1221437820u, 3493254589u, 102787342u, 918861168u, 348795089u, 3439883229u, 2353641807u, 2209585469u, 4035884492u, 2686995435u, 1649888022u, 3852893848u, 3042700028u, 314103172u, 726977769u, 2489830276u, 2872753660u, 1316214989u, 1488801501u, 1811420390u, 639581627u, 2362837215u, 3634581834u, 3648576802u, 1257314182u, 762118371u, 4268447045u, 730167096u, 755561509u, 882614845u, 3696972894u, 228263661u, 1478636142u, 2767751651u, 1532617116u, 3838657661u, 1944359935u, 1401102137u, 3772933173u, 1050098254u, 1658079354u, 1846025728u, 2204244794u, 2017217424u, 1275162853u, 1429816745u, 2175565479u, 1716109139u, 1187506761u, 2434641075u, 2725597783u, 1795687662u, 1393312782u, 3511565397u, 627885430u, 4145733164u, 2519005353u, 231414775u, 1242015635u, 2760723497u, 2185540568u, 727314436u, 2358790354u, 1186393454u, 4234795645u, 350567813u, 866773875u, 3145590392u, 1158374055u, 3903123687u, 1862119793u, 2204587556u, 4266276976u, 4151548555u, 915250402u, 2874695320u, 2360311410u, 1099212769u, 1271542714u, 3473148363u, 1637325418u, 1807795989u, 2493819794u, 3800917924u, 4001205856u, 2582153621u, 3365872040u, 2890146216u, 2626363824u, 3133351295u, 4046827296u, 3053118771u, 4113026751u, 884356716u, 3828347401u, 10608262u, 830987972u, 1841080500u, 3202717763u, 3561778749u, 1906000052u, 3058284660u, 1432904514u, 2567431677u, 2550162530u, 665557986u, 936887821u, 2101205308u, 4253535847u, 1662043545u, 1253611611u, 2091370094u, 2635077370u, 2602176041u, 3624115809u, 748442714u, 2709749154u, 1023493343u, 860291012u, 3924715584u, 1536436740u, 2551145800u, 2391782865u, 1467705048u, 2583909796u, 3616666170u, 1162857372u, 4228631071u, 1510132376u, 2739165009u, 2656606142u, 3454996358u, 3155038853u, 1022087316u, 100044110u, 494208296u, 2746186477u, 4216782431u, 225448834u, 3728320521u, 335282866u, 3148194874u, 953503703u, 1293353960u, 202372387u, 1326119870u, 4045123735u, 3819994846u, 1629004186u, 1081099186u, 3591584153u, 1670825804u, 3404257979u, 3262192301u, 2572846095u, 3714992543u, 4264142572u, 529616678u, 2882154574u, 3006354178u, 3865969421u, 2007174907u, 308283107u, 2629833703u, 3159124075u, 1146492131u, 494104332u, 493149727u, 1342910585u, 521642387u, 2201695937u, 2517980959u, 2426821287u, 777374655u, 2228189792u, 4027055486u, 228976000u, 3842083468u, 1723920223u, 1192126094u, 787744493u, 2740368380u, 2284153001u, 2773829458u, 442000614u, 387830783u, 2169780670u, 2253144627u, 3532502484u, 1969684059u, 1165351416u, 3055056536u, 3582324253u, 231419363u, 770979865u, 3213983597u, 3690452836u, 935794639u, 3230602762u, 2841762457u, 407598927u, 1164479891u, 3721799696u, 354738136u, 1801566618u, 3206038542u, 2621379981u, 1943487262u, 3534745636u, 1074424589u, 1304517521u, 4133400969u, 2339317978u, 2135116860u, 4180643791u, 2415309340u, 1855926417u, 3418648630u, 1968113037u, 597304222u, 3668824865u, 3810008716u, 3014702569u, 3151212026u, 156057449u, 373134533u, 2068234004u, 191580563u, 3832754488u, 2924104199u, 2026044494u, 4065780435u, 122565840u, 4194985167u, 2744823717u, 2494098735u, 3753793370u, 1885739217u, 2488161225u, 3643797615u, 2653367310u, 2494061477u, 189968132u, 899646597u, 392100396u, 4012318310u, 3855777086u, 3566860954u, 2698574996u, 2414249905u, 1330623339u, 1263222732u, 1277741760u, 2194959402u, 1629656136u, 120494320u, 1072368005u, 1084245077u, 4011372748u, 1366613353u, 3108643228u, 3332219532u, 2114746095u, 3964007334u, 371687128u, 1084813876u, 126459896u, 4292782331u, 321283184u, 398168499u, 3604983506u, 560701543u, 2073961354u, 4240841868u, 4151211362u, 1338986875u, 4093476832u, 2269279497u, 3500846299u, 2510225147u, 598000444u, 1330391422u, 1432533385u, 4171226231u, 426821154u, 2932270996u, 3378981077u, 2217871549u, 1619647984u, 4051608043u, 3180237819u, 12919578u, 1375401767u, 371320427u, 2986640571u, 2336669859u, 3796464715u, 1892383284u, 306814912u, 2125823211u, 1863678891u, 3249703818u, 3840225752u, 281579900u, 264680257u, 4266359110u, 4182229890u, 2239659703u, 3627947372u, 2373929191u, 224082765u, 4053639058u, 1862360303u, 3187739624u, 3392706679u, 948039509u, 817505760u, 1215842393u, 3462222651u, 536021853u, 182346832u, 2731944883u, 2346674384u, 2640961678u, 3446695687u, 2271722179u, 1301069656u, 2803881468u, 2832614405u, 1691544398u, 698756814u, 3980620906u, 3565421410u, 754769376u, 4115923404u, 3909962218u, 2747614077u, 2888289845u, 1016920862u, 2790946178u, 3067070960u, 3173251481u, 1572132982u, 255048203u, 2996538818u, 3405398987u, 136106013u, 3581605228u, 4277437977u, 2147300534u, 3728426265u, 3483629996u, 1478452694u, 20756076u, 2774992067u, 432987927u, 1516771026u, 3511588664u, 2130994978u, 509385406u, 873090347u, 2163904107u, 4192239086u, 2532489989u, 1090772651u, 3910797408u, 3710882132u, 155010959u, 1369823531u, 1599664937u, 4035593587u, 1212746925u, 795822552u, 116689518u, 3674240941u, 1135576664u, 756750261u, 1027431362u, 390555140u, 2228460216u, 1506940482u, 3733857700u, 3048762971u, 2511703196u, 548609887u, 1607354252u, 659053982u, 259884450u, 1793130460u, 4083364495u, 3148555881u, 1764350138u, 2436485683u, 4031563025u, 3261860724u, 2475833430u, 2101726086u, 3191176464u, 2646658847u, 2127042126u, 771316100u, 2115922959u, 3208515045u, 2355437783u, 3621147793u, 1580163615u, 3211555675u, 3299188490u, 191613920u, 466733956u, 2939029038u, 1509152039u, 130591314u, 1892874677u, 1646908044u, 3452406523u, 3998376606u, 1199243832u, 2187108812u, 3189230066u, 4161151481u, 3371454980u, 3681788646u, 180842187u, 3685022399u, 3058749895u, 3250165163u, 2895367943u, 2627101723u, 771755098u, 1332921024u, 3638871848u, 514215135u, 3591227378u, 2300310870u, 3689533503u, 851607114u, 114330368u, 2709027386u, 1743034877u, 1013693860u, 288169008u, 3545190686u, 1052165084u, 3995862307u, 96902755u, 1097819851u, 2645431442u, 2184148618u, 2151206566u, 350979797u, 3467920900u, 421116779u, 1246252u, 4057835428u, 329324407u, 4104482417u, 844624570u, 3306265806u, 3787625025u, 4263241191u, 3251413927u, 2921204431u, 2931915325u, 992134330u, 3986338354u, 1327895216u, 1458363596u, 1480608532u, 728594368u, 3804366693u, 794404223u, 1643240863u, 793417255u, 4167916443u, 2683488959u, 3124925324u, 4184843652u, 3750971752u, 308509829u, 1054550805u, 2797511972u, 4043123412u, 1587158240u, 4050518606u, 3030062190u, 2589912753u, 603440067u, 937013191u, 1071662315u, 2100661456u, 2602005741u, 435516078u, 2260470147u, 1256268350u, 3612035u, 3368856141u, 151516099u, 3081868591u, 3363755681u, 2049963149u, 2885320434u, 84682005u, 2411758308u, 2695174275u, 3099904644u, 1787308684u, 1132379308u, 564634346u, 510236510u, 2804443681u, 3931864252u, 2064427949u, 1893979229u, 2916544974u, 1885887717u, 2978018250u, 494192125u, 2642662373u, 901112508u, 636035003u, 1658643797u, 172746975u, 517504890u, 3440019372u, 4144498044u, 1854755456u, 3672653905u, 4176892856u, 382159097u, 282871690u, 3629300472u, 2500754041u, 1677659759u, 1067175061u, 161654075u, 1672575536u, 346120493u, 2730229631u, 203466442u, 1244549529u, 199761971u, 2744895408u, 3195315331u, 2124618519u, 3261045496u, 985339699u, 3385585455u, 1545740710u, 3636652160u, 2167020081u, 1207897204u, 28752417u, 2895834146u, 3640845375u, 3750293073u, 548997850u, 4207814196u, 4183030708u, 2462810989u, 3929965401u, }; // Return false only if offset is -1 and a spot check of 3 hashes all yield 0. bool Test(int offset, int len = 0) { #undef Check #undef IsAlive #define Check … #define IsAlive … // After the following line is where the uses of "Check" and such will go. static int index = 0; if (offset == -1) { int alive = 0; IsAlive(farmhashmk::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashmk::Hash32(data, len++)); IsAlive(farmhashmk::Hash32(data, len++)); len -= 3; return alive > 0; } Check(farmhashmk::Hash32WithSeed(data + offset, len, SEED)); Check(farmhashmk::Hash32(data + offset, len)); return true; #undef Check #undef IsAlive } int RunTest() { Setup(); int i = 0; cout << "Running farmhashmkTest"; if (!Test(-1)) { cout << "... Unavailable\n"; return NoteErrors(); } // Good. The function is attempting to hash, so run the full test. int errors_prior_to_test = errors; for ( ; i < kTestSize - 1; i++) { Test(i * i, i); } for ( ; i < kDataSize; i += i / 7) { Test(0, i); } Test(0, kDataSize); cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); return NoteErrors(); } #else // After the following line is where the code to print hash codes will go. void Dump(int offset, int len) { cout << farmhashmk::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; cout << farmhashmk::Hash32(data + offset, len) << "u," << endl; } #endif #undef SEED #undef SEED1 #undef SEED0 } // namespace farmhashmkTest #if !TESTING int main(int argc, char** argv) { Setup(); cout << "uint32_t expected[] = {\n"; int i = 0; for ( ; i < kTestSize - 1; i++) { farmhashmkTest::Dump(i * i, i); } for ( ; i < kDataSize; i += i / 7) { farmhashmkTest::Dump(0, i); } farmhashmkTest::Dump(0, kDataSize); cout << "};\n"; } #endif #ifndef FARMHASH_SELF_TEST_GUARD #define FARMHASH_SELF_TEST_GUARD #include <cstdio> #include <iostream> #include <string.h> using std::cout; using std::cerr; using std::endl; using std::hex; static const uint64_t kSeed0 = 1234567; static const uint64_t kSeed1 = k0; static const int kDataSize = 1 << 20; static const int kTestSize = 300; #define kSeed128 … static char data[kDataSize]; static int completed_self_tests = 0; static int errors = 0; // Initialize data to pseudorandom values. void Setup() { if (completed_self_tests == 0) { uint64_t a = 9; uint64_t b = 777; for (int i = 0; i < kDataSize; i++) { a += b; b += a; a = (a ^ (a >> 41)) * k0; b = (b ^ (b >> 41)) * k0 + i; uint8_t u = b >> 37; memcpy(data + i, &u, 1); // uint8_t -> char } } } int NoteErrors() { #define NUM_SELF_TESTS … if (++completed_self_tests == NUM_SELF_TESTS) std::exit(errors > 0); return errors; } template <typename T> inline bool IsNonZero(T x) { return x != 0; } template <> inline bool IsNonZero<uint128_t>(uint128_t x) { return x != Uint128(0, 0); } #endif // FARMHASH_SELF_TEST_GUARD namespace farmhashnaTest { uint32_t CreateSeed(int offset, int salt) { uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h += static_cast<uint32_t>(offset & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); return h; } #undef SEED #undef SEED1 #undef SEED0 #define SEED … #define SEED0 … #define SEED1 … #undef TESTING #define TESTING … #if TESTING uint32_t expected[] = { 1140953930u, 861465670u, 3277735313u, 2681724312u, 2598464059u, 797982799u, 890626835u, 800175912u, 2603993599u, 921001710u, 1410420968u, 2134990486u, 3283896453u, 1867689945u, 2914424215u, 2244477846u, 255297188u, 2992121793u, 1110588164u, 4186314283u, 161451183u, 3943596029u, 4019337850u, 452431531u, 283198166u, 2741341286u, 3379021470u, 2557197665u, 299850021u, 2532580744u, 452473466u, 1706958772u, 1298374911u, 3099673830u, 2199864459u, 3696623795u, 236935126u, 2976578695u, 4055299123u, 3281581178u, 1053458494u, 1882212500u, 2305012065u, 2169731866u, 3456121707u, 275903667u, 458884671u, 3033004529u, 3058973506u, 2379411653u, 1898235244u, 1402319660u, 2700149065u, 2699376854u, 147814787u, 720739346u, 2433714046u, 4222949502u, 4220361840u, 1712034059u, 3425469811u, 3690733394u, 4148372108u, 1330324210u, 594028478u, 2921867846u, 1635026870u, 192883107u, 780716741u, 1728752234u, 3280331829u, 326029180u, 3969463346u, 1436364519u, 393215742u, 3349570000u, 3824583307u, 1612122221u, 2859809759u, 3808705738u, 1379537552u, 1646032583u, 2233466664u, 1432476832u, 4023053163u, 2650381482u, 2052294713u, 3552092450u, 1628777059u, 1499109081u, 3476440786u, 3829307897u, 2960536756u, 1554038301u, 1145519619u, 3190844552u, 2902102606u, 3600725550u, 237495366u, 540224401u, 65721842u, 489963606u, 1448662590u, 397635823u, 1596489240u, 1562872448u, 1790705123u, 2128624475u, 180854224u, 2604346966u, 1435705557u, 1262831810u, 155445229u, 1672724608u, 1669465176u, 1341975128u, 663607706u, 2077310004u, 3610042449u, 1911523866u, 1043692997u, 1454396064u, 2563776023u, 294527927u, 1099072299u, 1389770549u, 703505868u, 678706990u, 2952353448u, 2026137563u, 3603803785u, 629449419u, 1933894405u, 3043213226u, 226132789u, 2489287368u, 1552847036u, 645684964u, 3828089804u, 3632594520u, 187883449u, 230403464u, 3151491850u, 3272648435u, 3729087873u, 1303930448u, 2002861219u, 165370827u, 916494250u, 1230085527u, 3103338579u, 3064290191u, 3807265751u, 3628174014u, 231181488u, 851743255u, 2295806711u, 1781190011u, 2988893883u, 1554380634u, 1142264800u, 3667013118u, 1968445277u, 315203929u, 2638023604u, 2290487377u, 732137533u, 1909203251u, 440398219u, 1891630171u, 1380301172u, 1498556724u, 4072067757u, 4165088768u, 4204318635u, 441430649u, 3931792696u, 197618179u, 956300927u, 914413116u, 3010839769u, 2837339569u, 2148126371u, 1913303225u, 3074915312u, 3117299654u, 4139181436u, 2993479124u, 3178848746u, 1357272220u, 1438494951u, 507436733u, 667183474u, 2084369203u, 3854939912u, 1413396341u, 126024219u, 146044391u, 1016656857u, 3022024459u, 3254014218u, 429095991u, 165589978u, 1578546616u, 985653208u, 1718653828u, 623071693u, 366414107u, 249776086u, 1207522198u, 3047342438u, 2991127487u, 3120876698u, 1684583131u, 46987739u, 1157614300u, 863214540u, 1087193030u, 199124911u, 520792961u, 3614377032u, 586863115u, 3331828431u, 1013201099u, 1716848157u, 4033596884u, 1164298657u, 4140791139u, 1146169032u, 1434258493u, 3824360466u, 3242407770u, 3725511003u, 232064808u, 872586426u, 762243036u, 2736953692u, 816692935u, 512845449u, 3748861010u, 2266795890u, 3781899767u, 4290630595u, 517646945u, 22638523u, 648000590u, 959214578u, 558910384u, 1283799121u, 3047062993u, 1024246061u, 4027776454u, 3544509313u, 622325861u, 834785312u, 382936554u, 411505255u, 1973395102u, 1825135056u, 2725923798u, 580988377u, 2826990641u, 3474970689u, 1029055034u, 812546227u, 2506885666u, 2584372201u, 1758123094u, 589567754u, 325737734u, 345313518u, 2022370576u, 3886113119u, 3338548567u, 257578986u, 3698087965u, 1776047957u, 1771384107u, 3604937815u, 3198590202u, 2305332220u, 191910725u, 4232136669u, 427759438u, 4244322689u, 542201663u, 3315355162u, 2135941665u, 556609672u, 45845311u, 1175961330u, 3948351189u, 23075771u, 3252374102u, 1634635545u, 4151937410u, 713127376u, 1467786451u, 663013031u, 3444053918u, 2638154051u, 810082938u, 3077742128u, 1062268187u, 2115441882u, 4081398201u, 3735739145u, 2794294783u, 2335576331u, 2560479831u, 1379288194u, 4225182569u, 2442302747u, 3948961926u, 3958366652u, 3067277639u, 3667516477u, 1709989541u, 1516711748u, 2339636583u, 4188504038u, 59581167u, 2725013602u, 3639843023u, 2658147000u, 2643979752u, 3758739543u, 4189944477u, 2470483982u, 877580602u, 2995362413u, 118817200u, 3252925478u, 2062343506u, 3981838403u, 3762572073u, 1231633714u, 4168280671u, 2931588131u, 3284356565u, 1129162571u, 732225574u, 4173605289u, 1407328702u, 1677744031u, 3532596884u, 3232041815u, 1652884780u, 2256541290u, 3459463480u, 3740979556u, 259034107u, 2227121257u, 1426140634u, 3606709555u, 3424793077u, 315836068u, 3200749877u, 1386256573u, 24035717u, 2982018998u, 1811050648u, 234531934u, 1115203611u, 1598686658u, 3146815575u, 1603559457u, 323296368u, 2632963283u, 1778459926u, 739944537u, 579625482u, 3486330348u, 492621815u, 1231665285u, 2457048126u, 3903349120u, 389846205u, 3355404249u, 3275550588u, 1052645068u, 862072556u, 2834153464u, 1481069623u, 2657392572u, 4279236653u, 1688445808u, 701920051u, 3740748788u, 3388062747u, 1873358321u, 2152785640u, 883382081u, 1005815394u, 1020177209u, 734239551u, 2371453141u, 100326520u, 3488500412u, 1279682138u, 2610427744u, 49703572u, 3026361211u, 605900428u, 302392721u, 2509302188u, 1416453607u, 2815915291u, 1862819968u, 519710058u, 2450888314u, 4017598378u, 937074653u, 3035635454u, 1590230729u, 3268013438u, 2710029305u, 12886044u, 3711259084u, 2627383582u, 3895772404u, 648534979u, 260307902u, 855990313u, 3669691805u, 263366740u, 2938543471u, 414331688u, 3080542944u, 3405007814u, 3565059103u, 1190977418u, 390836981u, 1606450012u, 2649808239u, 2514169310u, 2747519432u, 4129538640u, 1721522849u, 492099164u, 792990594u, 3625507637u, 2271095827u, 2993032712u, 2302363854u, 4013112951u, 1111617969u, 2183845740u, 795918276u, 1116991810u, 3110898804u, 3963062126u, 2737064702u, 462795667u, 937372240u, 1343017609u, 1091041189u, 2790555455u, 277024217u, 25485284u, 1166522068u, 1623631848u, 241727183u, 2836158787u, 3112996740u, 573836428u, 2721658101u, 1937681565u, 4175169209u, 3190765433u, 1970000788u, 1668258120u, 114616703u, 954762543u, 199237753u, 4094644498u, 2522281978u, 732086117u, 1756889687u, 2936126607u, 2437031370u, 4103143808u, 3883389541u, 3171090854u, 2483004780u, 1927385370u, 2360538162u, 2740855009u, 4241185118u, 1492209542u, 1672737098u, 2148675559u, 1789864670u, 2434313103u, 2319172611u, 2760941207u, 2636210123u, 1338083267u, 1128080590u, 822806371u, 1199583556u, 314727461u, 1335160250u, 2084630531u, 1156261526u, 316766066u, 112090465u, 3129033323u, 2746885618u, 636616055u, 2582210744u, 1721064910u, 3468394263u, 470463518u, 2076016059u, 408721884u, 2121041886u, 378460278u, 1915948002u, 357324860u, 2301682622u, 2691859523u, 1869756364u, 2429314418u, 2193146527u, 1185564327u, 2614088922u, 1975527044u, 919067651u, 2855948894u, 3662539576u, 1943802836u, 3529473373u, 1490330107u, 366036094u, 3384241033u, 4276268604u, 448403661u, 4271796078u, 1910401882u, 3077107698u, 299427366u, 2035665349u, 3201262636u, 3738454258u, 2554452696u, 3588997135u, 3363895827u, 1267505995u, 1852004679u, 2237827073u, 2803250686u, 3468044908u, 2143572850u, 1728158656u, 1022551180u, 1996680960u, 839529273u, 2400647871u, 2201096054u, 3606433628u, 2597259793u, 3544595875u, 3909443124u, 819278607u, 3447346709u, 806136613u, 2711436388u, 3656063205u, 837475154u, 694525336u, 4070212073u, 4011303412u, 1068395209u, 438095290u, 484603494u, 2673730227u, 737767009u, 642310823u, 3914002299u, 308425103u, 268427550u, 1334387085u, 4069797497u, 4280783219u, 2914011058u, 4243643405u, 2849988118u, 2504230175u, 1817156623u, 2804200483u, 3406991497u, 2948254999u, 2102063419u, 1071272117u, 514889942u, 571972433u, 1246595599u, 1735616066u, 1539151988u, 1230831543u, 277987182u, 4269526481u, 991511607u, 95237878u, 2005032160u, 1291113144u, 626619670u, 3560835907u, 164940926u, 1433635018u, 116647396u, 3039097112u, 2868163232u, 1141645918u, 1764165478u, 881378302u, 2159170082u, 2953647681u, 1011320066u, 184856151u, 1723308975u, 336034862u, 2017579106u, 1476681709u, 147523618u, 3896252223u, 2264728166u, 944743644u, 1694443528u, 2690700128u, 1947321519u, 735478508u, 4058183171u, 260177668u, 505662155u, 2391691262u, 1920739747u, 3216960415u, 1898176786u, 3722741628u, 1511077569u, 449636564u, 983350414u, 2580237367u, 2055059789u, 1103819072u, 2089123665u, 3873755579u, 2718467458u, 3124338704u, 3204250304u, 2475035432u, 1120017626u, 3873758287u, 1982999824u, 2950794582u, 780634378u, 2842141483u, 4029205195u, 1656892865u, 3330993377u, 80890710u, 1953796601u, 3873078673u, 136118734u, 2317676604u, 4199091610u, 1864448181u, 3063437608u, 1699452298u, 1403506686u, 1513069466u, 2348491299u, 4273657745u, 4055855649u, 1805475756u, 2562064338u, 973124563u, 4197091358u, 172861513u, 2858726767u, 4271866024u, 3071338162u, 3590386266u, 2328277259u, 1096050703u, 1189614342u, 459509140u, 771592405u, 817999971u, 3740825152u, 520400189u, 1941874618u, 185232757u, 4032960199u, 3928245258u, 3527721294u, 1301118856u, 752188080u, 3512945009u, 308584855u, 2105373972u, 752872278u, 3823368815u, 3760952096u, 4250142168u, 2565680167u, 3646354146u, 1259957455u, 1085857127u, 3471066607u, 38924274u, 3770488806u, 1083869477u, 3312508103u, 71956383u, 3738784936u, 3099963860u, 1255084262u, 4286969992u, 3621849251u, 1190908967u, 1831557743u, 2363435042u, 54945052u, 4059585566u, 4023974274u, 1788578453u, 3442180039u, 2534883189u, 2432427547u, 3909757989u, 731996369u, 4168347425u, 1356028512u, 2741583197u, 1280920000u, 312887059u, 3259015297u, 3946278527u, 4135481831u, 1281043691u, 1121403845u, 3312292477u, 1819941269u, 1741932545u, 3293015483u, 2127558730u, 713121337u, 2635469238u, 486003418u, 4015067527u, 2976737859u, 2108187161u, 927011680u, 1970188338u, 4177613234u, 1799789551u, 2118505126u, 4134691985u, 1958963937u, 1929210029u, 2555835851u, 2768832862u, 910892050u, 2567532373u, 4075249328u, 86689814u, 3726640307u, 1392137718u, 1240000030u, 4104757832u, 3026358429u, 313797689u, 1435798509u, 3101500919u, 1241665335u, 3573008472u, 3615577014u, 3767659003u, 3134294021u, 4063565523u, 2296824134u, 1541946015u, 3087190425u, 2693152531u, 2199672572u, 2123763822u, 1034244398u, 857839960u, 2515339233u, 2228007483u, 1628096047u, 2116502287u, 2502657424u, 2809830736u, 460237542u, 450205998u, 3646921704u, 3818199357u, 1808504491u, 1950698961u, 2069753399u, 3657033172u, 3734547671u, 4067859590u, 3292597295u, 1106466069u, 356742959u, 2469567432u, 3495418823u, 183440071u, 3248055817u, 3662626864u, 1750561299u, 3926138664u, 4088592524u, 567122118u, 3810297651u, 992181339u, 3384018814u, 3272124369u, 3177596743u, 320086295u, 2316548367u, 100741310u, 451656820u, 4086604273u, 3759628395u, 2553391092u, 1745659881u, 3650357479u, 2390172694u, 330172533u, 767377322u, 526742034u, 4102497288u, 2088767754u, 164402616u, 2482632320u, 2352347393u, 1873658044u, 3861555476u, 2751052984u, 1767810825u, 20037241u, 545143220u, 2594532522u, 472304191u, 3441135892u, 3323383489u, 258785117u, 2977745165u, 2781737565u, 2963590112u, 2756998822u, 207428029u, 2581558559u, 3824717027u, 1258619503u, 3472047571u, 2648427775u, 2360400900u, 2393763818u, 2332399088u, 3932701729u, 884421165u, 1396468647u, 1377764574u, 4061795938u, 1559119087u, 3343596838u, 3604258095u, 1435134775u, 1099809675u, 908163739u, 1418405656u, 368446627u, 3741651161u, 3374512975u, 3542220540u, 3244772570u, 200009340u, 3198975081u, 2521038253u, 4081637863u, 337070226u, 3235259030u, 3897262827u, 736956644u, 641040550u, 644850146u, 1306761320u, 4219448634u, 193750500u, 3293278106u, 1383997679u, 1242645122u, 4109252858u, 450747727u, 3716617561u, 362725793u, 2252520167u, 3377483696u, 1788337208u, 8130777u, 3226734120u, 759239140u, 1012411364u, 1658628529u, 2911512007u, 1002580201u, 1681898320u, 3039016929u, 4294520281u, 367022558u, 3071359622u, 3205848570u, 152989999u, 3839042136u, 2357687350u, 4273132307u, 3898950547u, 1176841812u, 1314157485u, 75443951u, 1027027239u, 1858986613u, 2040551642u, 36574105u, 2603059541u, 3456147251u, 2137668425u, 4077477194u, 3565689036u, 491832241u, 363703593u, 2579177168u, 3589545214u, 265993036u, 1864569342u, 4149035573u, 3189253455u, 1072259310u, 3153745937u, 923017956u, 490608221u, 855846773u, 845706553u, 1018226240u, 1604548872u, 3833372385u, 3287246572u, 2757959551u, 2452872151u, 1553870564u, 1713154780u, 2649450292u, 500120236u, 84251717u, 661869670u, 1444911517u, 2489716881u, 2810524030u, 1561519055u, 3884088359u, 2509890699u, 4247155916u, 1005636939u, 3224066062u, 2774151984u, 2035978240u, 2514910366u, 1478837908u, 3144450144u, 2107011431u, 96459446u, 3587732908u, 2389230590u, 3287635953u, 250533792u, 1235983679u, 4237425634u, 3704645833u, 3882376657u, 2976369049u, 1187061987u, 276949224u, 4100839753u, 1698347543u, 1629662314u, 1556151829u, 3784939568u, 427484362u, 4246879223u, 3155311770u, 4285163791u, 1693376813u, 124492786u, 1858777639u, 3476334357u, 1941442701u, 1121980173u, 3485932087u, 820852908u, 358032121u, 2511026735u, 1873607283u, 2556067450u, 2248275536u, 1528632094u, 1535473864u, 556796152u, 1499201704u, 1472623890u, 1526518503u, 3692729434u, 1476438092u, 2913077464u, 335109599u, 2167614601u, 4121131078u, 3158127917u, 3051522276u, 4046477658u, 2857717851u, 1863977403u, 1341023343u, 692059110u, 1802040304u, 990407433u, 3285847572u, 319814144u, 561105582u, 1540183799u, 4052924496u, 2926590471u, 2244539806u, 439121871u, 3317903224u, 3178387550u, 4265214507u, 82077489u, 1978918971u, 4279668976u, 128732476u, 2853224222u, 464407878u, 4190838199u, 997819001u, 3250520802u, 2330081301u, 4095846095u, 733509243u, 1583801700u, 722314527u, 3552883023u, 1403784280u, 432327540u, 1877837196u, 3912423882u, 505219998u, 696031431u, 908238873u, 4189387259u, 8759461u, 2540185277u, 3385159748u, 381355877u, 2519951681u, 1679786240u, 2019419351u, 4051584612u, 1933923923u, 3768201861u, 1670133081u, 3454981037u, 700836153u, 1675560450u, 371560700u, 338262316u, 847351840u, 2222395828u, 3130433948u, 405251683u, 3037574880u, 184098830u, 453340528u, 1385561439u, 2224044848u, 4071581802u, 1431235296u, 5570097u, 570114376u, 2287305551u, 2272418128u, 803575837u, 3943113491u, 414959787u, 708083137u, 2452657767u, 4019147902u, 3841480082u, 3791794715u, 2965956183u, 2763690963u, 2350937598u, 3424361375u, 779434428u, 1274947212u, 686105485u, 3426668051u, 3692865672u, 3057021940u, 2285701422u, 349809124u, 1379278508u, 3623750518u, 215970497u, 1783152480u, 823305654u, 216118434u, 1787189830u, 3692048450u, 2272612521u, 3032187389u, 4159715581u, 1388133148u, 1611772864u, 2544383526u, 552925303u, 3420960112u, 3198900547u, 3503230228u, 2603352423u, 2318375898u, 4064071435u, 3006227299u, 4194096960u, 1283392422u, 1510460996u, 174272138u, 3671038966u, 1775955687u, 1719108984u, 1763892006u, 1385029063u, 4083790740u, 406757708u, 684087286u, 531310503u, 3329923157u, 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52070157u, 4144237690u, 3350490823u, 4166253320u, 2747410691u, }; // Return false only if offset is -1 and a spot check of 3 hashes all yield 0. bool Test(int offset, int len = 0) { #undef Check #undef IsAlive #define Check … #define IsAlive … // After the following line is where the uses of "Check" and such will go. static int index = 0; if (offset == -1) { int alive = 0; { uint64_t h = farmhashna::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } { uint64_t h = farmhashna::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } return true; #undef Check #undef IsAlive } int RunTest() { Setup(); int i = 0; cout << "Running farmhashnaTest"; if (!Test(-1)) { cout << "... Unavailable\n"; return NoteErrors(); } // Good. The function is attempting to hash, so run the full test. int errors_prior_to_test = errors; for ( ; i < kTestSize - 1; i++) { Test(i * i, i); } for ( ; i < kDataSize; i += i / 7) { Test(0, i); } Test(0, kDataSize); cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); return NoteErrors(); } #else // After the following line is where the code to print hash codes will go. void Dump(int offset, int len) { { uint64_t h = farmhashna::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashna::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashna::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } } #endif #undef SEED #undef SEED1 #undef SEED0 } // namespace farmhashnaTest #if !TESTING int main(int argc, char** argv) { Setup(); cout << "uint32_t expected[] = {\n"; int i = 0; for ( ; i < kTestSize - 1; i++) { farmhashnaTest::Dump(i * i, i); } for ( ; i < kDataSize; i += i / 7) { farmhashnaTest::Dump(0, i); } farmhashnaTest::Dump(0, kDataSize); cout << "};\n"; } #endif #ifndef FARMHASH_SELF_TEST_GUARD #define FARMHASH_SELF_TEST_GUARD #include <cstdio> #include <iostream> #include <string.h> using std::cout; using std::cerr; using std::endl; using std::hex; static const uint64_t kSeed0 = 1234567; static const uint64_t kSeed1 = k0; static const int kDataSize = 1 << 20; static const int kTestSize = 300; #define kSeed128 … static char data[kDataSize]; static int completed_self_tests = 0; static int errors = 0; // Initialize data to pseudorandom values. void Setup() { if (completed_self_tests == 0) { uint64_t a = 9; uint64_t b = 777; for (int i = 0; i < kDataSize; i++) { a += b; b += a; a = (a ^ (a >> 41)) * k0; b = (b ^ (b >> 41)) * k0 + i; uint8_t u = b >> 37; memcpy(data + i, &u, 1); // uint8_t -> char } } } int NoteErrors() { #define NUM_SELF_TESTS … if (++completed_self_tests == NUM_SELF_TESTS) std::exit(errors > 0); return errors; } template <typename T> inline bool IsNonZero(T x) { return x != 0; } template <> inline bool IsNonZero<uint128_t>(uint128_t x) { return x != Uint128(0, 0); } #endif // FARMHASH_SELF_TEST_GUARD namespace farmhashntTest { uint32_t CreateSeed(int offset, int salt) { uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h += static_cast<uint32_t>(offset & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); return h; } #undef SEED #undef SEED1 #undef SEED0 #define SEED … #define SEED0 … #define SEED1 … #undef TESTING #define TESTING … #if TESTING uint32_t expected[] = { 2681724312u, 797982799u, 921001710u, 2134990486u, 2244477846u, 2992121793u, 3943596029u, 452431531u, 2557197665u, 2532580744u, 3099673830u, 3696623795u, 3281581178u, 1882212500u, 275903667u, 3033004529u, 1402319660u, 2699376854u, 4222949502u, 1712034059u, 1330324210u, 2921867846u, 1728752234u, 326029180u, 3349570000u, 1612122221u, 1646032583u, 1432476832u, 3552092450u, 1499109081u, 1554038301u, 3190844552u, 540224401u, 489963606u, 1562872448u, 2128624475u, 1262831810u, 1672724608u, 2077310004u, 1911523866u, 294527927u, 1389770549u, 2026137563u, 629449419u, 2489287368u, 645684964u, 230403464u, 3272648435u, 165370827u, 1230085527u, 3628174014u, 851743255u, 1554380634u, 3667013118u, 2290487377u, 1909203251u, 1498556724u, 4165088768u, 197618179u, 914413116u, 1913303225u, 3117299654u, 1357272220u, 507436733u, 1413396341u, 146044391u, 429095991u, 3056862311u, 366414107u, 2293458109u, 1684583131u, 1170404994u, 520792961u, 1577421232u, 4033596884u, 4229339322u, 3242407770u, 2649785113u, 816692935u, 3555213933u, 517646945u, 2180594090u, 3047062993u, 2391606125u, 382936554u, 788479970u, 2826990641u, 3167748333u, 1758123094u, 389974094u, 3338548567u, 2583576230u, 3198590202u, 4155628142u, 542201663u, 2856634168u, 3948351189u, 4194218315u, 1467786451u, 2743592929u, 1062268187u, 3810665822u, 2560479831u, 997658837u, 3067277639u, 1211737169u, 59581167u, 1389679610u, 4189944477u, 100876854u, 2062343506u, 3088828656u, 3284356565u, 3130054947u, 3532596884u, 3887208531u, 259034107u, 3233195759u, 3200749877u, 760633989u, 1115203611u, 1516407838u, 1778459926u, 2146672889u, 2457048126u, 2217471853u, 862072556u, 3745267835u, 701920051u, 581695350u, 1410111809u, 3326135446u, 2187968410u, 4267859263u, 479241367u, 2868987960u, 704325635u, 1418509533u, 735688735u, 3283299459u, 813690332u, 1439630796u, 3195309868u, 1616408198u, 3254795114u, 2799925823u, 3929484338u, 1798536177u, 4205965408u, 1499475160u, 4247675634u, 3779953975u, 785893184u, 2778575413u, 1160134629u, 823113169u, 4116162021u, 4167766971u, 2487440590u, 4004655503u, 4044418876u, 1462554406u, 2011102035u, 4265993528u, 576405853u, 4038839101u, 2425317635u, 1401013391u, 3062418115u, 3167030094u, 2602636307u, 4264167741u, 4017058800u, 1029665228u, 4036354071u, 2670703363u, 688472265u, 1054670286u, 338058159u, 1539305024u, 146827036u, 4060134777u, 2502815838u, 1603444633u, 2448966429u, 3891353218u, 1082330589u, 201837927u, 2848283092u, 883849006u, 1982110346u, 541496720u, 133643215u, 3847827123u, 4015671361u, 2849988118u, 3452457457u, 2102063419u, 3281002516u, 1539151988u, 1147951686u, 2005032160u, 2415262714u, 116647396u, 1029284767u, 2159170082u, 1919171906u, 2017579106u, 2473524405u, 1694443528u, 3671562289u, 505662155u, 1019936943u, 1511077569u, 773792826u, 2089123665u, 484732447u, 1120017626u, 2809286837u, 4029205195u, 1097806406u, 136118734u, 4017075736u, 1403506686u, 1516736273u, 2562064338u, 2984955003u, 3071338162u, 1923531348u, 771592405u, 2586632018u, 4032960199u, 2687561076u, 308584855u, 1692079268u, 2565680167u, 3674576684u, 3770488806u, 69201295u, 1255084262u, 3593730713u, 54945052u, 1939595371u, 2432427547u, 2295501078u, 1280920000u, 82177963u, 1121403845u, 2889101923u, 713121337u, 1747052377u, 927011680u, 4142246789u, 1958963937u, 1636932722u, 4075249328u, 2025886508u, 3026358429u, 1845587644u, 3615577014u, 1363253259u, 3087190425u, 341851980u, 2515339233u, 1276595523u, 460237542u, 4198897105u, 2069753399u, 4278599955u, 356742959u, 3735275001u, 1750561299u, 668829411u, 3384018814u, 4233785523u, 451656820u, 107312677u, 2390172694u, 1216645846u, 164402616u, 1689811113u, 1767810825u, 1397772514u, 3323383489u, 2986430557u, 207428029u, 2260498180u, 2360400900u, 1263709570u, 1377764574u, 4252610345u, 1099809675u, 2776960536u, 3542220540u, 3752806924u, 337070226u, 3267551635u, 1306761320u, 2220373824u, 4109252858u, 896322512u, 1788337208u, 1336556841u, 2911512007u, 3712582785u, 3071359622u, 2561488770u, 3898950547u, 536047554u, 2040551642u, 3528794619u, 3565689036u, 1197100813u, 1864569342u, 3329594980u, 490608221u, 1174785921u, 3287246572u, 2163330264u, 500120236u, 2520062970u, 1561519055u, 4042710240u, 2774151984u, 3160666939u, 96459446u, 1878067032u, 4237425634u, 2952135524u, 4100839753u, 1265237690u, 4246879223u, 834830418u, 3476334357u, 4277111759u, 2511026735u, 3065234219u, 556796152u, 198182691u, 2913077464u, 1535115487u, 4046477658u, 140762681u, 990407433u, 2198985327u, 2926590471u, 559702706u, 82077489u, 1096697687u, 4190838199u, 3046872820u, 1583801700u, 2185339100u, 3912423882u, 3703603898u, 2540185277u, 1446869792u, 4051584612u, 2719373510u, 1675560450u, 1996164093u, 405251683u, 2864244470u, 4071581802u, 2028708916u, 803575837u, 557660441u, 3841480082u, 255451671u, 779434428u, 3452203069u, 2285701422u, 1568745354u, 823305654u, 3184047862u, 4159715581u, 3160134214u, 3198900547u, 1566527339u, 4194096960u, 1496132623u, 1719108984u, 2584236470u, 531310503u, 3456882941u, 3382290593u, 467441309u, 3241407531u, 2540270567u, 1397502982u, 3348545480u, 811750340u, 1017047954u, 2540585554u, 3531646869u, 943914610u, 1903578924u, 1911188923u, 241574049u, 3181425568u, 3529565564u, 240953857u, 2964595704u, 3828377737u, 4260564140u, 4262383425u, 383233885u, 4051263539u, 919677938u, 1683612329u, 4204155962u, 2283918569u, 4153726847u, 350160869u, 1387233546u, 1891558063u, 740563169u, 330624974u, 2948665536u, 376390582u, 3799363969u, 3187805406u, 2263421398u, 1928519266u, 2746577402u, 2108753646u, 768287270u, 2247006571u, 212490675u, 917121602u, 2549835613u, 2864033668u, 3738062408u, 2006922227u, 2616619070u, 3449066284u, 431292293u, 786322314u, 1415970351u, 3263135197u, 2954777083u, 3206261120u, 2287507921u, 1781944746u, 4081586725u, 1109175923u, 1813855658u, 1129462471u, 1037031473u, 3389003793u, 3122687303u, 1164309901u, 3193251135u, 3626554867u, 3071568023u, 3656006011u, 1167681812u, 3155218919u, 2704165015u, 1854985978u, 1712976649u, 878608872u, 4155949943u, 3163786257u, 1626463554u, 1256485167u, 582664250u, 2083771672u, 804336148u, 2770847216u, 1674051445u, 3992583643u, 2966108111u, 900741486u, 4014551783u, 300318232u, 3517585534u, 542270815u, 760762191u, 1216399252u, 643179562u, 3652676161u, 2990167340u, 3262252593u, 2134299399u, 411263051u, 1342880802u, 1967599860u, 853593042u, 2682611693u, 850464484u, 3286110054u, 3842907484u, 3623364733u, 3693536939u, 1615375832u, 2318423400u, 4145497671u, 1728968857u, 2686506989u, 1502282913u, 2151665147u, 3651607391u, 1178454681u, 4146839064u, 2601416506u, 1448097974u, 238887261u, 4093725287u, 2367569534u, 679517009u, 3539886328u, 3086277222u, 1390394371u, 119173722u, 1766260771u, 751439914u, 215917713u, 2656990891u, 1570750352u, 3533987737u, 3576119563u, 963183826u, 3796810515u, 136547246u, 2592925324u, 427154472u, 1228758574u, 1464255968u, 2984611177u, 2001585786u, 1525438381u, 1348536411u, 2861338018u, 764077711u, 3785343245u, 457568934u, 4104954272u, 2381948487u, 3148473363u, 2180270337u, 1387729170u, 951677556u, 2721005055u, 66786703u, 1149351924u, 1895026827u, 3711056516u, 3638638708u, 2263003308u, 3448840877u, 225333538u, 3797521928u, 3262952567u, 2078619498u, 1178073973u, 3288261538u, 1496966875u, 2481012988u, 114945840u, 1632780103u, 2087949619u, 3787017905u, 2575395164u, 2971726178u, 3642087909u, 3894199764u, 203853421u, 425935223u, 3565833278u, 1748785729u, 580966986u, 2124704694u, 1107045577u, 1067532701u, 1406028344u, 18613994u, 3476683808u, 3762914298u, 1844996900u, 904215228u, 1118521573u, 3657647605u, 3136157065u, 2287683323u, 126005630u, 3555092974u, 49515858u, 1010661841u, 1902040126u, 1400735275u, 2771676666u, 2225229957u, 3454177594u, 2883475137u, 4144472319u, 1051332394u, 542648229u, 1669710469u, 553041029u, 584127807u, 2993670925u, 3587959456u, 1745399498u, 1404723176u, 1334333531u, 3239516985u, 1275954779u, 367320647u, 3684418197u, 4030809053u, 484559105u, 4255931645u, 4271715616u, 3171911678u, 928543347u, 2159512867u, 313902234u, 647086234u, 577214736u, 1130129573u, 995791646u, 1645086060u, 4122335794u, 1064648931u, 2752145076u, 3312498873u, 4238535494u, 1471227427u, 633688562u, 1959779970u, 766642813u, 1380896111u, 3647601207u, 1733961041u, 521947915u, 189164145u, 486382294u, 3770038872u, 3235740744u, 1912506671u, 2276864677u, 1588060152u, 2504457929u, 1471020554u, 3623212998u, 3026631806u, 2342164722u, 1674890530u, 3011542850u, 3549160092u, 4290680005u, 3943068002u, 2273781461u, 2127663659u, 1646681121u, 447810651u, 2366308558u, 970504950u, 2008155560u, 2695940969u, 3444688454u, 1739318893u, 2683090634u, 2774816580u, 437560100u, 512012738u, 3305170944u, 665292744u, 3580039116u, 1579404983u, 3397891494u, 710590371u, 2514565805u, 3624609754u, 3516075816u, 1314000850u, 1935166880u, 3257747610u, 3776931214u, 3183054185u, 675129307u, 3333261712u, 1154611403u, 2759854023u, 1963228038u, 505138315u, 1803966773u, 4032705384u, 798395739u, 3473799845u, 476400898u, 602972493u, 3289878097u, 2520311409u, 3214794876u, 748160407u, 1326769504u, 902775872u, 1372805534u, 1213925114u, 3009384989u, 3781981134u, 2835608783u, 2716786748u, 1669490957u, 1089334066u, 250756920u, 4041016629u, 2495807367u, 2008251381u, 106212622u, 1927268995u, 2251978818u, 3788056262u, 3678660147u, 2656772270u, 1997584981u, 2668998785u, 2954162084u, 845687881u, 776018378u, 2066910012u, 918315064u, }; // Return false only if offset is -1 and a spot check of 3 hashes all yield 0. bool Test(int offset, int len = 0) { #undef Check #undef IsAlive #define Check … #define IsAlive … // After the following line is where the uses of "Check" and such will go. static int index = 0; if (offset == -1) { int alive = 0; IsAlive(farmhashnt::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashnt::Hash32(data, len++)); IsAlive(farmhashnt::Hash32(data, len++)); len -= 3; return alive > 0; } Check(farmhashnt::Hash32WithSeed(data + offset, len, SEED)); Check(farmhashnt::Hash32(data + offset, len)); return true; #undef Check #undef IsAlive } int RunTest() { Setup(); int i = 0; cout << "Running farmhashntTest"; if (!Test(-1)) { cout << "... Unavailable\n"; return NoteErrors(); } // Good. The function is attempting to hash, so run the full test. int errors_prior_to_test = errors; for ( ; i < kTestSize - 1; i++) { Test(i * i, i); } for ( ; i < kDataSize; i += i / 7) { Test(0, i); } Test(0, kDataSize); cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); return NoteErrors(); } #else // After the following line is where the code to print hash codes will go. void Dump(int offset, int len) { cout << farmhashnt::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; cout << farmhashnt::Hash32(data + offset, len) << "u," << endl; } #endif #undef SEED #undef SEED1 #undef SEED0 } // namespace farmhashntTest #if !TESTING int main(int argc, char** argv) { Setup(); cout << "uint32_t expected[] = {\n"; int i = 0; for ( ; i < kTestSize - 1; i++) { farmhashntTest::Dump(i * i, i); } for ( ; i < kDataSize; i += i / 7) { farmhashntTest::Dump(0, i); } farmhashntTest::Dump(0, kDataSize); cout << "};\n"; } #endif #ifndef FARMHASH_SELF_TEST_GUARD #define FARMHASH_SELF_TEST_GUARD #include <cstdio> #include <iostream> #include <string.h> using std::cout; using std::cerr; using std::endl; using std::hex; static const uint64_t kSeed0 = 1234567; static const uint64_t kSeed1 = k0; static const int kDataSize = 1 << 20; static const int kTestSize = 300; #define kSeed128 … static char data[kDataSize]; static int completed_self_tests = 0; static int errors = 0; // Initialize data to pseudorandom values. void Setup() { if (completed_self_tests == 0) { uint64_t a = 9; uint64_t b = 777; for (int i = 0; i < kDataSize; i++) { a += b; b += a; a = (a ^ (a >> 41)) * k0; b = (b ^ (b >> 41)) * k0 + i; uint8_t u = b >> 37; memcpy(data + i, &u, 1); // uint8_t -> char } } } int NoteErrors() { #define NUM_SELF_TESTS … if (++completed_self_tests == NUM_SELF_TESTS) std::exit(errors > 0); return errors; } template <typename T> inline bool IsNonZero(T x) { return x != 0; } template <> inline bool IsNonZero<uint128_t>(uint128_t x) { return x != Uint128(0, 0); } #endif // FARMHASH_SELF_TEST_GUARD namespace farmhashsaTest { uint32_t CreateSeed(int offset, int salt) { uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h += static_cast<uint32_t>(offset & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); return h; } #undef SEED #undef SEED1 #undef SEED0 #define SEED … #define SEED0 … #define SEED1 … #undef TESTING #define TESTING … #if TESTING uint32_t expected[] = { 4223616069u, 3696677242u, 4081014168u, 2576519988u, 2212771159u, 1112731063u, 1020067935u, 3955445564u, 1451961420u, 653440099u, 31917516u, 2957164615u, 2590087362u, 3879448744u, 176305566u, 2447367541u, 1359016305u, 3363804638u, 1117290165u, 1062549743u, 2437877004u, 1894455839u, 673206794u, 3486923651u, 3269862919u, 2303349487u, 1380660650u, 595525107u, 1525325287u, 2025609358u, 176408838u, 1592885012u, 864896482u, 2101378090u, 3489229104u, 2118965695u, 581644891u, 2718789079u, 631613207u, 4228658372u, 3867875546u, 3531368319u, 3804516756u, 3317755099u, 1619744564u, 2884717286u, 1088213445u, 2667691076u, 3727873235u, 2330406762u, 858590707u, 123802208u, 4150036245u, 182283099u, 1478882570u, 3282617403u, 819171187u, 1172627392u, 4254302102u, 2957028020u, 437030323u, 2452147680u, 2868246750u, 3530169402u, 3154852132u, 215019192u, 357580983u, 1354454461u, 1108813287u, 2324008118u, 2315997713u, 4181601562u, 1360882441u, 92423273u, 3048866755u, 3369188505u, 3664371439u, 2920710428u, 1027891570u, 2653166430u, 3461888315u, 1475780447u, 292769636u, 1737473313u, 4064110516u, 4170160075u, 762850927u, 3630603695u, 2803307356u, 844987665u, 460980967u, 3005635467u, 2802568977u, 588668033u, 2148940781u, 3239099984u, 1266953698u, 3197808789u, 3519942533u, 2511995334u, 2553810188u, 871667697u, 1358675720u, 1499319171u, 2044931270u, 1210355103u, 807152540u, 3262320756u, 2810214575u, 1813386141u, 4089465863u, 903928165u, 1388899322u, 3209183659u, 834536144u, 2733354550u, 2742289921u, 3689042563u, 2655593281u, 4169686303u, 415985561u, 138892376u, 516115393u, 65683883u, 4162865100u, 889944635u, 313566528u, 3346420907u, 1504303591u, 2256809275u, 742243229u, 779775302u, 3140940172u, 2312556111u, 2304095772u, 1151741606u, 2194712422u, 1714084652u, 3272736835u, 1311540658u, 191179665u, 3996605106u, 1657345233u, 4205442903u, 1553339212u, 2351843044u, 1647502006u, 2525516233u, 292202846u, 1498646290u, 1429323381u, 974274898u, 3759331561u, 2881238887u, 826787221u, 1069622448u, 221991032u, 1462969082u, 2799661508u, 364022781u, 2594244377u, 797773898u, 4097839290u, 1529150125u, 2456805570u, 541503425u, 3936326142u, 3112719954u, 775223581u, 3074018423u, 3198488875u, 1772191849u, 2456535211u, 3154686028u, 1520862019u, 4005829426u, 1306433767u, 1943028506u, 2246000782u, 1057766454u, 3761996982u, 3441075333u, 898641979u, 3450209088u, 3941329307u, 3289922449u, 3085075827u, 1814193220u, 690422997u, 2627846676u, 2653520704u, 3739145533u, 3996776010u, 2287072592u, 1346671698u, 3082629900u, 2298811274u, 3639722036u, 1729419228u, 1836765953u, 3708118742u, 213436u, 950223749u, 3734247682u, 2924575678u, 1382024841u, 2431637732u, 3448846682u, 1341301397u, 4206956590u, 1730650902u, 2581075456u, 1542359141u, 707222542u, 2925350541u, 3846303536u, 3579103295u, 3932175763u, 1339615732u, 848825750u, 1070170828u, 1964973818u, 577060344u, 607721296u, 4031023048u, 406883794u, 3991905552u, 1198544082u, 872468460u, 1044847096u, 3159976313u, 3020028266u, 2108700400u, 3373767922u, 264431841u, 2817097007u, 3700061048u, 1733731531u, 3459415893u, 80378591u, 1479875104u, 19735612u, 1382658977u, 3416562245u, 1959852842u, 2384002344u, 124683828u, 3725782174u, 2300301222u, 393852269u, 1302492002u, 3623776492u, 3787086417u, 1730024749u, 1710531361u, 443700716u, 1461987482u, 671998131u, 3018380746u, 2592292305u, 3390799372u, 3945101155u, 3743494852u, 3716045582u, 996005166u, 320698449u, 3420221765u, 1518157951u, 2555810666u, 3381929684u, 2019638523u, 3088262796u, 2072178906u, 3433649364u, 203906916u, 34663784u, 290301305u, 1188021504u, 3754681145u, 3920313139u, 2840496520u, 1656802962u, 2288475489u, 3399185138u, 1296000826u, 2362384746u, 309633360u, 2719851778u, 776035930u, 3200733043u, 365690832u, 3326378243u, 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424762443u, 2624525253u, 2587715329u, 2292264424u, 1074856749u, 3294752007u, 3164112672u, 2399146799u, 1920182465u, 3858835361u, 193755240u, 3333610311u, 1757504059u, 2576027039u, 2775253365u, 2939191561u, 1046147275u, 235149906u, 4262218222u, 2900542726u, 2260154702u, 1019551635u, 1194720570u, 3519118691u, 3039483153u, 84918216u, 3053381097u, 2572396843u, 3849763371u, 2782686780u, 3710049554u, 3403430713u, 2346080784u, 2496307442u, 1597281872u, 696018239u, 704625714u, 623026921u, 3182413559u, 3794540330u, 305497722u, 1592680199u, 2377854072u, 3060601746u, 3953057908u, 3941551588u, 1033716182u, 2765716854u, 1309699058u, 3519400181u, 3073370877u, 115583008u, 4032909296u, 2944563574u, 3762753718u, 192842727u, 1711348701u, 3086147235u, 1658229443u, 1479783872u, 3839977157u, 225619117u, 1349684817u, 1964813173u, 565753187u, 2530252046u, 840014353u, 1645183704u, 3668429078u, 3438418557u, 639704059u, 360837811u, 2531807958u, 1572353913u, 2116037299u, 1948437512u, 744553393u, 2380697034u, 3775234105u, 3816065157u, 301868653u, 2960939561u, 3306528247u, 2389296549u, 805918610u, 1759358265u, 1760876328u, 2827601706u, 2944594708u, 3313666458u, 2022601495u, 730938791u, 193539397u, 2026103244u, 802928398u, 2630934308u, 782805818u, 3499326016u, 293509489u, 3646131514u, 3182478647u, 854800333u, 2284531628u, 438528022u, 2339298129u, 1692289216u, 2427728723u, 46501288u, 350652353u, 1355971222u, 889682372u, 944799254u, 2763906061u, 2807550612u, 2683762637u, 100870317u, 2449357318u, 2638348436u, 4206088869u, 1788948473u, 3537588549u, 2782490204u, 134406470u, 2409190528u, 2362439849u, 1861661528u, 2101513194u, 1424834765u, 3581765745u, 3185999525u, 2057487100u, 2303941176u, 3639628788u, 1180265315u, 230437935u, 2108319366u, 1131685143u, 1055685292u, 1509007009u, 1258485140u, 560525005u, 3598799040u, 3835680585u, 1851859628u, 332858996u, 641769248u, 4252450037u, 865386707u, 720719117u, 3133612164u, 3833045874u, 3492515435u, 2465970289u, 4234420011u, 573859916u, 252532886u, 870392318u, 4051320920u, 894929092u, 3748361688u, 699355960u, 1885212350u, 1609756949u, 461896870u, 1337065461u, 1775211059u, 1786193749u, 2815154643u, 2128729882u, 969639529u, 3960427545u, 859416958u, 2739758802u, 2698032197u, 2813292418u, 1985467524u, 396604317u, 4122172759u, 1201259789u, 4282051702u, 3270018895u, 961215209u, 961075860u, 4211926998u, 4088374597u, 577510509u, 3058349487u, 4025377754u, 2815478438u, 471023164u, 3947959608u, 4161486934u, 2299888461u, 1103571511u, 2450153872u, 1839939275u, 108299608u, 858086440u, 1030152945u, 3895328530u, 3009080718u, 3690840454u, 3847025277u, 152331362u, 161365689u, 831319961u, 2166017294u, 3945322722u, 4059970216u, 1420824131u, 2770648308u, 1567250186u, 2181067149u, 1939743488u, 3080158120u, 3435218248u, 2495237495u, 3814085102u, 3180983013u, 3199054292u, 2204745908u, 1140337267u, 2213569784u, 1941879842u, 2105562605u, 3618835614u, 2247103645u, 2492473487u, 856414299u, 166022030u, 4080104712u, 3218935344u, 3284220561u, 4261581452u, 1206944836u, 3496705432u, 2215996876u, 3154627465u, 3384005496u, 742170556u, 1333047620u, 802680366u, 156833431u, 2682100354u, 2493654830u, 584848366u, 1691693131u, 2169934170u, 779968026u, 2099545800u, 1423039695u, 4292110968u, 4266576788u, 149142597u, 748501873u, 3865014822u, 1913588198u, 130285614u, 3500768879u, 915458923u, 3071792750u, 1339986633u, 4143929149u, 4048379479u, 725193827u, 1375113643u, 2425277412u, 4144659274u, 465714768u, 226991589u, 2212127704u, 3936145258u, 2891024846u, 3816000225u, 979331165u, 1749907536u, 53847318u, 1462525833u, 2961425455u, 368859113u, 3572721452u, 453048644u, 1628629918u, 3497673923u, 3619079585u, 139870565u, 1518176798u, 3933074281u, 1878623729u, 2074035641u, 3016759257u, 1313053591u, 2557706970u, 2348296582u, 962370022u, 2337285014u, 1618936717u, 1915877085u, 2743743122u, 3250783882u, 1346652536u, 143311109u, 2443788461u, 1048248964u, 2806619339u, 3263266976u, 1668146349u, 3397428868u, 3276188862u, 1774196343u, 1993847813u, 2771079610u, 476672419u, 2119050359u, 2918326659u, 2245402721u, 2692910474u, 2374383269u, 342400227u, 2961437795u, 3899230368u, 337787132u, 3664444935u, 1269451153u, 2971526729u, 1486511182u, 791070133u, 2570319890u, 3482497490u, 2134230518u, 4273391202u, 1825511330u, 3947753714u, 1389755724u, 3995075516u, 2081052615u, 3626343470u, 4213603435u, 2137917278u, 2898987303u, 3059215715u, 3383237881u, 3003674434u, 409174425u, 1911915604u, 2087728055u, 2942005882u, 3386522440u, 714936074u, 261924004u, 3268784033u, 1141188757u, 2413217552u, 1515163433u, }; // Return false only if offset is -1 and a spot check of 3 hashes all yield 0. bool Test(int offset, int len = 0) { #undef Check #undef IsAlive #define Check … #define IsAlive … // After the following line is where the uses of "Check" and such will go. static int index = 0; if (offset == -1) { int alive = 0; IsAlive(farmhashsa::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashsa::Hash32(data, len++)); IsAlive(farmhashsa::Hash32(data, len++)); len -= 3; return alive > 0; } Check(farmhashsa::Hash32WithSeed(data + offset, len, SEED)); Check(farmhashsa::Hash32(data + offset, len)); return true; #undef Check #undef IsAlive } int RunTest() { Setup(); int i = 0; cout << "Running farmhashsaTest"; if (!Test(-1)) { cout << "... Unavailable\n"; return NoteErrors(); } // Good. The function is attempting to hash, so run the full test. int errors_prior_to_test = errors; for ( ; i < kTestSize - 1; i++) { Test(i * i, i); } for ( ; i < kDataSize; i += i / 7) { Test(0, i); } Test(0, kDataSize); cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); return NoteErrors(); } #else // After the following line is where the code to print hash codes will go. void Dump(int offset, int len) { cout << farmhashsa::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; cout << farmhashsa::Hash32(data + offset, len) << "u," << endl; } #endif #undef SEED #undef SEED1 #undef SEED0 } // namespace farmhashsaTest #if !TESTING int main(int argc, char** argv) { Setup(); cout << "uint32_t expected[] = {\n"; int i = 0; for ( ; i < kTestSize - 1; i++) { farmhashsaTest::Dump(i * i, i); } for ( ; i < kDataSize; i += i / 7) { farmhashsaTest::Dump(0, i); } farmhashsaTest::Dump(0, kDataSize); cout << "};\n"; } #endif #ifndef FARMHASH_SELF_TEST_GUARD #define FARMHASH_SELF_TEST_GUARD #include <cstdio> #include <iostream> #include <string.h> using std::cout; using std::cerr; using std::endl; using std::hex; static const uint64_t kSeed0 = 1234567; static const uint64_t kSeed1 = k0; static const int kDataSize = 1 << 20; static const int kTestSize = 300; #define kSeed128 … static char data[kDataSize]; static int completed_self_tests = 0; static int errors = 0; // Initialize data to pseudorandom values. void Setup() { if (completed_self_tests == 0) { uint64_t a = 9; uint64_t b = 777; for (int i = 0; i < kDataSize; i++) { a += b; b += a; a = (a ^ (a >> 41)) * k0; b = (b ^ (b >> 41)) * k0 + i; uint8_t u = b >> 37; memcpy(data + i, &u, 1); // uint8_t -> char } } } int NoteErrors() { #define NUM_SELF_TESTS … if (++completed_self_tests == NUM_SELF_TESTS) std::exit(errors > 0); return errors; } template <typename T> inline bool IsNonZero(T x) { return x != 0; } template <> inline bool IsNonZero<uint128_t>(uint128_t x) { return x != Uint128(0, 0); } #endif // FARMHASH_SELF_TEST_GUARD namespace farmhashsuTest { uint32_t CreateSeed(int offset, int salt) { uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h += static_cast<uint32_t>(offset & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); return h; } #undef SEED #undef SEED1 #undef SEED0 #define SEED … #define SEED0 … #define SEED1 … #undef TESTING #define TESTING … #if TESTING uint32_t expected[] = { 4223616069u, 3696677242u, 4081014168u, 2576519988u, 2212771159u, 1112731063u, 1020067935u, 3955445564u, 1451961420u, 653440099u, 31917516u, 2957164615u, 2590087362u, 3879448744u, 176305566u, 2447367541u, 1359016305u, 3363804638u, 1117290165u, 1062549743u, 2437877004u, 1894455839u, 673206794u, 3486923651u, 3269862919u, 2303349487u, 1380660650u, 595525107u, 1525325287u, 2025609358u, 176408838u, 1592885012u, 864896482u, 2101378090u, 3489229104u, 2118965695u, 581644891u, 2718789079u, 631613207u, 4228658372u, 3867875546u, 3531368319u, 3804516756u, 3317755099u, 1619744564u, 2884717286u, 1088213445u, 2667691076u, 3727873235u, 2330406762u, 858590707u, 457744844u, 4150036245u, 2000404290u, 1478882570u, 901678172u, 819171187u, 195942998u, 4254302102u, 3967266927u, 437030323u, 4018009204u, 2868246750u, 3540087514u, 3154852132u, 3319116625u, 357580983u, 3177665294u, 1108813287u, 1253366798u, 2315997713u, 510718750u, 1360882441u, 2770216279u, 3048866755u, 3406961221u, 3664371439u, 1151145514u, 1027891570u, 2699067992u, 3461888315u, 198061905u, 292769636u, 1106771795u, 4064110516u, 3258279756u, 762850927u, 1818699721u, 2803307356u, 3919169404u, 460980967u, 3125535078u, 2802568977u, 3582546426u, 2148940781u, 3963274378u, 1266953698u, 204185123u, 1100034381u, 3009193601u, 4200651967u, 274889605u, 2700589508u, 952511689u, 3765324859u, 3465498478u, 4014967037u, 2070988082u, 2972423530u, 3068638223u, 4156773651u, 489509804u, 1323863238u, 3731914806u, 2846098469u, 2728930632u, 346814072u, 848146907u, 551160669u, 4165126521u, 2039095001u, 4179859388u, 2434936359u, 2764414551u, 238491210u, 732483969u, 3366512764u, 478307468u, 4124179572u, 4142733597u, 1953448206u, 4199329278u, 865077060u, 2627662116u, 2802499360u, 3141206831u, 1959218197u, 911371451u, 125987200u, 2821366175u, 2530992747u, 2409206225u, 117991880u, 2133402461u, 895510531u, 428719601u, 3036014536u, 1223783733u, 733793540u, 970650405u, 547701766u, 570764615u, 3224485368u, 3192714940u, 319942831u, 3940200341u, 362056204u, 2832368105u, 1853281226u, 3296434636u, 3752508307u, 604292768u, 2231940616u, 1204094681u, 866194005u, 2405201650u, 2466384396u, 380829379u, 230033818u, 2783417588u, 4249886729u, 829569301u, 2988322580u, 2299983554u, 74748560u, 737514425u, 3153050211u, 652642663u, 1270205115u, 227197032u, 2773091790u, 325849216u, 49998791u, 4043203010u, 3662748068u, 1709364383u, 1179105165u, 1478504366u, 2980456610u, 1167476429u, 1590390732u, 1306256496u, 292008135u, 374690995u, 1809200819u, 1680595904u, 646040226u, 1742445560u, 2435776844u, 3703683804u, 478742495u, 814967947u, 2698190177u, 1003617993u, 1436118705u, 217056304u, 1412287094u, 2738417466u, 2933279339u, 3461877733u, 1203141205u, 2119492857u, 1134895723u, 1560001021u, 3786320122u, 3748116258u, 3486219595u, 702138030u, 1062984182u, 232789133u, 1566523968u, 3885443778u, 1820171888u, 3655858585u, 2316903005u, 2678779620u, 395625433u, 1609107564u, 3108726411u, 2937837224u, 3911907151u, 557272509u, 3893435978u, 1542613576u, 1079886893u, 2624566322u, 1413700616u, 2796974006u, 1922556114u, 562820464u, 2845409784u, 54180312u, 1898782464u, 3681814953u, 2417064617u, 1815464483u, 911626132u, 2964575550u, 1852696128u, 2319647785u, 1998904590u, 619992689u, 3073207513u, 1238163512u, 3199435982u, 828667254u, 3561155502u, 3943095163u, 1045711849u, 2238679131u, 2114975398u, 713808403u, 3871787494u, 2572031161u, 2360934075u, 2337781107u, 262596504u, 693836699u, 2129369850u, 3543189427u, 962205222u, 3685581020u, 692974477u, 725182211u, 646123906u, 2368836544u, 2505872733u, 1999977610u, 1639885802u, 1475058032u, 207023609u, 2773581234u, 3524857793u, 3433371102u, 3243027613u, 1787668353u, 985757946u, 3896012929u, 702356957u, 3559331129u, 884084870u, 4009998120u, 648888720u, 1403349048u, 1624342778u, 1766674171u, 2518582204u, 3251243146u, 792751003u, 1377201813u, 3629686054u, 1583734324u, 3647107626u, 4258564381u, 1469878609u, 1940598241u, 2755003690u, 1907120418u, 109916701u, 775347954u, 2090960874u, 611281803u, 3470490146u, 3301663253u, 1835412158u, 1803066146u, 591872433u, 550703713u, 1495089683u, 826492808u, 817200035u, 4177474571u, 688070143u, 971427632u, 1442499481u, 3568640348u, 2789993738u, 85808128u, 2058346726u, 394058570u, 3466511434u, 318905230u, 4149248030u, 415308316u, 165997598u, 1219639412u, 1648022659u, 2857432523u, 1422508004u, 468095522u, 296968649u, 430250611u, 1775562314u, 2976361671u, 1040036362u, 1372510167u, 292746272u, 3408238954u, 626061886u, 1317637569u, 1237775792u, 1218490455u, 2224234499u, 590942419u, 713995643u, 3541889330u, 4140218960u, 3529791107u, 354462673u, 842607274u, 365048533u, 2638303414u, 3560458014u, 31621379u, 4210854794u, 1273118792u, 2572743762u, 3513175801u, 402066986u, 602524471u, 565029192u, 180576438u, 1288605959u, 2896244423u, 1420543484u, 1329862227u, 1791567324u, 4248690247u, 12917038u, 3483481310u, 2082050731u, 1611921143u, 2443766548u, 2216338811u, 2528006095u, 2984009021u, 674210884u, 2857608106u, 2155534809u, 1023105067u, 2968955846u, 3303624302u, 2502112850u, 245749006u, 3175229091u, 3342796184u, 3613785362u, 1614168851u, 2582149283u, 895403488u, 416205023u, 3792242000u, 529397534u, 299415203u, 4284673348u, 2096851282u, 1864524731u, 2012577738u, 3426363316u, 1387308508u, 1143610148u, 2027467219u, 3772856163u, 3453862623u, 2661437174u, 2047145955u, 2533381447u, 2059534115u, 439426587u, 1537543414u, 2384289877u, 3174229055u, 2658017753u, 2293148474u, 2359450158u, 3930242475u, 1510302397u, 3354288821u, 920095603u, 2415746928u, 2729472638u, 2261143371u, 848667611u, 919157153u, 3322393117u, 4103299943u, 413569608u, 68911216u, 3334990170u, 1228068652u, 1570056373u, 1905477543u, 2622302276u, 2935063895u, 3224810004u, 4211768578u, 828688131u, 3556122839u, 1930935348u, 2605825202u, 1540993970u, 3209115883u, 122847500u, 665638794u, 506571051u, 2691795295u, 3996966556u, 714660621u, 3662432239u, 470651837u, 1807432621u, 3755290953u, 359878860u, 2793081615u, 4065031431u, 904653062u, 2317800777u, 568501094u, 3492871707u, 2738806116u, 2883859610u, 3242080257u, 364246691u, 3601786516u, 3159362524u, 1578272201u, 1283574375u, 2912186103u, 2256279032u, 1540671086u, 2356088973u, 2892277779u, 3441449267u, 2225005503u, 3846428419u, 2014549218u, 2290734767u, 2126684614u, 4235463487u, 3811556204u, 174739661u, 767525888u, 47684458u, 4211168099u, 889063422u, 469864411u, 767407110u, 413337343u, 1618456644u, 2814499820u, 2401124192u, 632089437u, 1234980238u, 1288585402u, 3153169944u, 2917822069u, 1843320264u, 3794359132u, 3074573530u, 258629454u, 3813357060u, 3806887248u, 1665524736u, 3324533324u, 3005091922u, 793108368u, 1529669805u, 2332660395u, 2217730223u, 2634687611u, 442806463u, 1968135266u, 454523002u, 3177866230u, 2808960136u, 4259114138u, 4103264843u, 3103714075u, 2462967542u, 1466891491u, 477973764u, 834565647u, 741089037u, 218837573u, 1710536528u, 2469088212u, 1229072375u, 2828341u, 176923431u, 985763350u, 4095477420u, 1984145538u, 1870791084u, 674956677u, 1978138947u, 1296493993u, 1818183554u, 3443333721u, 2124949983u, 2549590262u, 2700850794u, 2662736367u, 739638109u, 4061447096u, 2960078422u, 2453781158u, 929570940u, 3200328383u, 2406328791u, 1419180666u, 2152455739u, 2805741044u, 3305999074u, 3183816361u, 2303165050u, 4922104u, 63096005u, 936656347u, 3104453886u, 1088673880u, 1113407526u, 1457890086u, 453478383u, 1107686695u, 3626027824u, 1159687359u, 2248467888u, 2004578380u, 3274954621u, 1787958646u, 2628726704u, 1138419798u, 3735442315u, 692385301u, 313807213u, 2329068673u, 59375364u, 3261084359u, 2088644507u, 2471153194u, 788336435u, 4024527246u, 141504460u, 2307553888u, 1930559950u, 48975711u, 2745693338u, 230161982u, 3429230862u, 1335968626u, 609591304u, 57435073u, 4279281136u, 3152151665u, 3984484924u, 3459883943u, 397478330u, 1738762229u, 3033590066u, 3611539498u, 1363463523u, 3319364965u, 2671169141u, 3819548561u, 1691193757u, 2423834608u, 2820147055u, 1378120632u, 1240565187u, 3180720050u, 680831086u, 3309658414u, 1986166490u, 762099827u, 510883662u, 2047373648u, 3606742294u, 3894965352u, 2342078853u, 1091255717u, 776594727u, 3217317445u, 1574468485u, 3844504016u, 2819598918u, 1037401010u, 2550943503u, 3867184001u, 1687911772u, 165313836u, 1679575281u, 2418947263u, 2038774952u, 3913543652u, 3209155736u, 149905221u, 3859604717u, 713919631u, 4069810796u, 1882959164u, 1019939034u, 2379867302u, 3666323035u, 1157389013u, 2422300650u, 3366777340u, 2526452062u, 1313747885u, 1039617868u, 1620553692u, 2032976978u, 578789528u, 1592846839u, 2270630604u, 897850577u, 1603294178u, 3105664807u, 1442670138u, 1728019360u, 79313861u, 1683031101u, 1913067024u, 4070719870u, 708986470u, 2586453359u, 3993348863u, 3358251279u, 3003552537u, 750174793u, 836888956u, 4190747426u, 4251291318u, 4145164938u, 1366883260u, 1912910955u, 510192669u, 1851315039u, 3574241274u, 3220062924u, 2821142039u, 1317082195u, 2274293302u, 1839219569u, 126586168u, 3989293643u, 2680178207u, 347056948u, 799681430u, 2864517481u, 3180404853u, 213140045u, 1956305184u, 1474675286u, 3085723423u, 2841859626u, 308421914u, 3670309263u, 1765052231u, 245459238u, 113434331u, 4079521092u, 2115235526u, 2943408816u, 1055476938u, 1506442339u, 2291296392u, 3267864332u, 1282145528u, 3700108015u, 1932843667u, 2677701670u, 6041177u, 3889648557u, 1461025478u, }; // Return false only if offset is -1 and a spot check of 3 hashes all yield 0. bool Test(int offset, int len = 0) { #undef Check #undef IsAlive #define Check … #define IsAlive … // After the following line is where the uses of "Check" and such will go. static int index = 0; if (offset == -1) { int alive = 0; IsAlive(farmhashsu::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashsu::Hash32(data, len++)); IsAlive(farmhashsu::Hash32(data, len++)); len -= 3; return alive > 0; } Check(farmhashsu::Hash32WithSeed(data + offset, len, SEED)); Check(farmhashsu::Hash32(data + offset, len)); return true; #undef Check #undef IsAlive } int RunTest() { Setup(); int i = 0; cout << "Running farmhashsuTest"; if (!Test(-1)) { cout << "... Unavailable\n"; return NoteErrors(); } // Good. The function is attempting to hash, so run the full test. int errors_prior_to_test = errors; for ( ; i < kTestSize - 1; i++) { Test(i * i, i); } for ( ; i < kDataSize; i += i / 7) { Test(0, i); } Test(0, kDataSize); cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); return NoteErrors(); } #else // After the following line is where the code to print hash codes will go. void Dump(int offset, int len) { cout << farmhashsu::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; cout << farmhashsu::Hash32(data + offset, len) << "u," << endl; } #endif #undef SEED #undef SEED1 #undef SEED0 } // namespace farmhashsuTest #if !TESTING int main(int argc, char** argv) { Setup(); cout << "uint32_t expected[] = {\n"; int i = 0; for ( ; i < kTestSize - 1; i++) { farmhashsuTest::Dump(i * i, i); } for ( ; i < kDataSize; i += i / 7) { farmhashsuTest::Dump(0, i); } farmhashsuTest::Dump(0, kDataSize); cout << "};\n"; } #endif #ifndef FARMHASH_SELF_TEST_GUARD #define FARMHASH_SELF_TEST_GUARD #include <cstdio> #include <iostream> #include <string.h> using std::cout; using std::cerr; using std::endl; using std::hex; static const uint64_t kSeed0 = 1234567; static const uint64_t kSeed1 = k0; static const int kDataSize = 1 << 20; static const int kTestSize = 300; #define kSeed128 … static char data[kDataSize]; static int completed_self_tests = 0; static int errors = 0; // Initialize data to pseudorandom values. void Setup() { if (completed_self_tests == 0) { uint64_t a = 9; uint64_t b = 777; for (int i = 0; i < kDataSize; i++) { a += b; b += a; a = (a ^ (a >> 41)) * k0; b = (b ^ (b >> 41)) * k0 + i; uint8_t u = b >> 37; memcpy(data + i, &u, 1); // uint8_t -> char } } } int NoteErrors() { #define NUM_SELF_TESTS … if (++completed_self_tests == NUM_SELF_TESTS) std::exit(errors > 0); return errors; } template <typename T> inline bool IsNonZero(T x) { return x != 0; } template <> inline bool IsNonZero<uint128_t>(uint128_t x) { return x != Uint128(0, 0); } #endif // FARMHASH_SELF_TEST_GUARD namespace farmhashteTest { uint32_t CreateSeed(int offset, int salt) { uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h += static_cast<uint32_t>(offset & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); return h; } #undef SEED #undef SEED1 #undef SEED0 #define SEED … #define SEED0 … #define SEED1 … #undef TESTING #define TESTING … #if TESTING uint32_t expected[] = { 1140953930u, 861465670u, 3277735313u, 2681724312u, 2598464059u, 797982799u, 890626835u, 800175912u, 2603993599u, 921001710u, 1410420968u, 2134990486u, 3283896453u, 1867689945u, 2914424215u, 2244477846u, 255297188u, 2992121793u, 1110588164u, 4186314283u, 161451183u, 3943596029u, 4019337850u, 452431531u, 283198166u, 2741341286u, 3379021470u, 2557197665u, 299850021u, 2532580744u, 452473466u, 1706958772u, 1298374911u, 3099673830u, 2199864459u, 3696623795u, 236935126u, 2976578695u, 4055299123u, 3281581178u, 1053458494u, 1882212500u, 2305012065u, 2169731866u, 3456121707u, 275903667u, 458884671u, 3033004529u, 3058973506u, 2379411653u, 1898235244u, 1402319660u, 2700149065u, 2699376854u, 147814787u, 720739346u, 2433714046u, 4222949502u, 4220361840u, 1712034059u, 3425469811u, 3690733394u, 4148372108u, 1330324210u, 594028478u, 2921867846u, 1635026870u, 192883107u, 780716741u, 1728752234u, 3280331829u, 326029180u, 3969463346u, 1436364519u, 393215742u, 3349570000u, 3824583307u, 1612122221u, 2859809759u, 3808705738u, 1379537552u, 1646032583u, 2233466664u, 1432476832u, 4023053163u, 2650381482u, 2052294713u, 3552092450u, 1628777059u, 1499109081u, 3476440786u, 3829307897u, 2960536756u, 1554038301u, 1145519619u, 3190844552u, 2902102606u, 3600725550u, 237495366u, 540224401u, 65721842u, 489963606u, 1448662590u, 397635823u, 1596489240u, 1562872448u, 1790705123u, 2128624475u, 180854224u, 2604346966u, 1435705557u, 1262831810u, 155445229u, 1672724608u, 1669465176u, 1341975128u, 663607706u, 2077310004u, 3610042449u, 1911523866u, 1043692997u, 1454396064u, 2563776023u, 294527927u, 1099072299u, 1389770549u, 703505868u, 678706990u, 2952353448u, 2026137563u, 3603803785u, 629449419u, 1933894405u, 3043213226u, 226132789u, 2489287368u, 1552847036u, 645684964u, 3828089804u, 3632594520u, 187883449u, 230403464u, 3151491850u, 3272648435u, 3729087873u, 1303930448u, 2002861219u, 165370827u, 916494250u, 1230085527u, 3103338579u, 3064290191u, 3807265751u, 3628174014u, 231181488u, 851743255u, 2295806711u, 1781190011u, 2988893883u, 1554380634u, 1142264800u, 3667013118u, 1968445277u, 315203929u, 2638023604u, 2290487377u, 732137533u, 1909203251u, 440398219u, 1891630171u, 1380301172u, 1498556724u, 4072067757u, 4165088768u, 4204318635u, 441430649u, 3931792696u, 197618179u, 956300927u, 914413116u, 3010839769u, 2837339569u, 2148126371u, 1913303225u, 3074915312u, 3117299654u, 4139181436u, 2993479124u, 3178848746u, 1357272220u, 1438494951u, 507436733u, 667183474u, 2084369203u, 3854939912u, 1413396341u, 126024219u, 146044391u, 1016656857u, 3022024459u, 3254014218u, 429095991u, 990500595u, 3056862311u, 985653208u, 1718653828u, 623071693u, 366414107u, 1771289760u, 2293458109u, 3047342438u, 2991127487u, 3120876698u, 1684583131u, 3638043310u, 1170404994u, 863214540u, 1087193030u, 199124911u, 520792961u, 3169775996u, 1577421232u, 3331828431u, 1013201099u, 1716848157u, 4033596884u, 1770708857u, 4229339322u, 1146169032u, 1434258493u, 3824360466u, 3242407770u, 1926419493u, 2649785113u, 872586426u, 762243036u, 2736953692u, 816692935u, 1571283333u, 3555213933u, 2266795890u, 3781899767u, 4290630595u, 517646945u, 3006163611u, 2180594090u, 959214578u, 558910384u, 1283799121u, 3047062993u, 3830962609u, 2391606125u, 3544509313u, 622325861u, 834785312u, 382936554u, 1421463872u, 788479970u, 1825135056u, 2725923798u, 580988377u, 2826990641u, 247825043u, 3167748333u, 812546227u, 2506885666u, 2584372201u, 1758123094u, 1891789696u, 389974094u, 345313518u, 2022370576u, 3886113119u, 3338548567u, 1083486947u, 2583576230u, 1776047957u, 1771384107u, 3604937815u, 3198590202u, 3027522813u, 4155628142u, 4232136669u, 427759438u, 4244322689u, 542201663u, 1549591985u, 2856634168u, 556609672u, 45845311u, 1175961330u, 3948351189u, 4165739882u, 4194218315u, 1634635545u, 4151937410u, 713127376u, 1467786451u, 1327394015u, 2743592929u, 2638154051u, 810082938u, 3077742128u, 1062268187u, 4084325664u, 3810665822u, 3735739145u, 2794294783u, 2335576331u, 2560479831u, 690240711u, 997658837u, 2442302747u, 3948961926u, 3958366652u, 3067277639u, 2059157774u, 1211737169u, 1516711748u, 2339636583u, 4188504038u, 59581167u, 2767897792u, 1389679610u, 2658147000u, 2643979752u, 3758739543u, 4189944477u, 1454470782u, 100876854u, 2995362413u, 118817200u, 3252925478u, 2062343506u, 2804483644u, 3088828656u, 1231633714u, 4168280671u, 2931588131u, 3284356565u, 1255909792u, 3130054947u, 4173605289u, 1407328702u, 1677744031u, 3532596884u, 3162657845u, 3887208531u, 2256541290u, 3459463480u, 3740979556u, 259034107u, 392987633u, 3233195759u, 3606709555u, 3424793077u, 315836068u, 3200749877u, 4065431359u, 760633989u, 2982018998u, 1811050648u, 234531934u, 1115203611u, 3897494162u, 1516407838u, 1603559457u, 323296368u, 2632963283u, 1778459926u, 2879836826u, 2146672889u, 3486330348u, 492621815u, 1231665285u, 2457048126u, 3438440082u, 2217471853u, 3355404249u, 3275550588u, 1052645068u, 862072556u, 4110617119u, 3745267835u, 2657392572u, 4279236653u, 1688445808u, 701920051u, 956734128u, 581695350u, 3157862788u, 2585726058u, 1192588249u, 1410111809u, 1651193125u, 3326135446u, 1073280453u, 97376972u, 2513844237u, 2187968410u, 3976859649u, 4267859263u, 3429034542u, 564493077u, 3000537321u, 479241367u, 3845637831u, 2868987960u, 51544337u, 1029173765u, 393624922u, 704325635u, 2357610553u, 1418509533u, 2007814586u, 3866658271u, 3082385053u, 735688735u, 916110004u, 3283299459u, 1051684175u, 1083796807u, 4074716319u, 813690332u, 144264390u, 1439630796u, 1508556987u, 675582689u, 3748881891u, 3195309868u, 362884708u, 1616408198u, 43233176u, 837301135u, 881504822u, 3254795114u, 1385506591u, 2799925823u, 1469874582u, 3464841997u, 497175391u, 3929484338u, 3975771289u, 1798536177u, 2926265846u, 1374242438u, 3675707838u, 4205965408u, 3153165629u, 1499475160u, 187287713u, 548490821u, 3255259608u, 4247675634u, 1940181471u, 3779953975u, 687167150u, 2319566715u, 1742785722u, 785893184u, 2296977392u, 2778575413u, 1794720651u, 48131484u, 4084891412u, 1160134629u, 3737623280u, 823113169u, 3423207646u, 3803213486u, 710625654u, 4116162021u, 3693420287u, 4167766971u, 1666602807u, 295320990u, 3513255468u, 2487440590u, 234080704u, 4004655503u, 2971762528u, 1479656873u, 4090178629u, 4044418876u, 391947536u, 1462554406u, 3909295855u, 1239580330u, 1515601363u, 2011102035u, 1442068334u, 4265993528u, 1191921695u, 2291355695u, 4257172787u, 576405853u, 314332944u, 4038839101u, 55559918u, 2378985842u, 711098718u, 2425317635u, 1644327317u, 1401013391u, 4193760037u, 2958260436u, 3167371443u, 3062418115u, 3800755475u, 3167030094u, 3489648204u, 1405430357u, 526177822u, 2602636307u, 915406019u, 4264167741u, 1484090483u, 3070944737u, 254529415u, 4017058800u, 1702710265u, 1029665228u, 2000382906u, 3185573940u, 1381258384u, 4036354071u, 2900841028u, 2670703363u, 2921748807u, 2899069938u, 4130543625u, 688472265u, 4186808827u, 1054670286u, 1132985391u, 2840525968u, 4175776103u, 338058159u, 1735964501u, 1539305024u, 3497121710u, 1568260669u, 2227290760u, 146827036u, 3977176001u, 4060134777u, 857488494u, 250055052u, 4284109679u, 2502815838u, 2592281721u, 1603444633u, 1390562014u, 1556658131u, 616327404u, 2448966429u, 3051191726u, 3891353218u, 1213304082u, 762328245u, 2239052397u, 1082330589u, 2455957292u, 201837927u, 405397452u, 3079886794u, 2583939798u, 2848283092u, 3750724631u, 883849006u, 3204198988u, 3341327098u, 1855234968u, 1982110346u, 1485529487u, 541496720u, 4117290321u, 3607433551u, 2168864636u, 133643215u, 1055817409u, 3847827123u, 2960769387u, 4046101649u, 1176127003u, 4015671361u, 4243643405u, 2849988118u, 517111221u, 1796672358u, 2045051700u, 3452457457u, 2948254999u, 2102063419u, 1556410577u, 1536380876u, 3776661467u, 3281002516u, 1735616066u, 1539151988u, 1087795162u, 3332431596u, 685631442u, 1147951686u, 95237878u, 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294795361u, 1622282562u, 647086234u, 2825039429u, 577214736u, 4043412446u, 2426981244u, 1277736097u, 1130129573u, 2601395338u, 995791646u, 36668922u, 3344746679u, 1521532225u, 1645086060u, 2622763015u, 4122335794u, 2936887705u, 494465807u, 2580840343u, 1064648931u, 1247887787u, 2752145076u, 1277612417u, 1249660507u, 2288678613u, 3312498873u, 2459273912u, 4238535494u, 3117488020u, 2571979978u, 2680188909u, 1471227427u, 1616494033u, 633688562u, 2268653416u, 3268237290u, 3021962815u, 1959779970u, 3321382074u, 766642813u, 204429780u, 1323319858u, 3676032891u, 1380896111u, 4030639049u, 3647601207u, 1830028502u, 2830263774u, 1375962216u, 1733961041u, 939765180u, 521947915u, 3903267364u, 497472767u, 1619700946u, 189164145u, 3115593885u, 486382294u, 1262445920u, 4062496162u, 2464795849u, 3770038872u, 4032121374u, 3235740744u, 3757765258u, 1777199847u, 2167243108u, 1912506671u, 4180515317u, 2276864677u, 536034089u, 2384915026u, 162938278u, 1588060152u, 4018349945u, 2504457929u, 841450426u, 2790120722u, 2719983588u, 1471020554u, 1390856732u, 3623212998u, 2506944218u, 1035080801u, 348812127u, 3026631806u, 746483541u, 2342164722u, 122104390u, 4074122771u, 3986865419u, 1674890530u, 3693306023u, 3011542850u, 1294951725u, 899303190u, 3577146915u, 3549160092u, 1241677652u, 4290680005u, 3193053279u, 2029187390u, 3298063095u, 3943068002u, 3946220635u, 2273781461u, 889053698u, 1376304022u, 1486839612u, 2127663659u, 344127443u, 1646681121u, 2780117810u, 2142045764u, 2694572773u, 447810651u, 2185527146u, 2366308558u, 290335413u, 584901173u, 2012370276u, 970504950u, 3258236042u, 2008155560u, 3945579565u, 614796295u, 24452072u, 2695940969u, 3983727134u, 3444688454u, 1327044473u, 3545633451u, 1875293322u, 1739318893u, 1707527799u, 2683090634u, 2848082386u, 2814622471u, 4111401777u, 2774816580u, 3849839194u, 437560100u, 2238350150u, 2462124836u, 665017710u, 512012738u, 2945294779u, 3305170944u, 819477765u, 59419271u, 155125658u, 665292744u, 444722813u, 3580039116u, 2355675635u, 663735032u, 3247800169u, 1579404983u, 1985115003u, 3397891494u, 358696453u, 1474896279u, 516388613u, 710590371u, 3490497111u, 2514565805u, 2386143445u, 477509654u, 412854590u, 3624609754u, 3214388668u, 3516075816u, 2731288520u, 1369482895u, 4033204378u, 1314000850u, 829769325u, 1935166880u, 1608191643u, 2607067237u, 423820371u, 3257747610u, 1355298041u, 3776931214u, 4105054901u, 2107080812u, 1911521879u, 3183054185u, 3910177801u, 675129307u, 1209358971u, 4205727791u, 1435726287u, 3333261712u, 1400982708u, 1154611403u, 1663501483u, 2837596667u, 3164734053u, 2759854023u, 4012043629u, 1963228038u, 3981675284u, 2677557877u, 520119591u, 505138315u, 897271356u, 1803966773u, 1016663294u, 616691903u, 2254742522u, 4032705384u, 2468470796u, 798395739u, 3025169002u, 3570037122u, 1461093710u, 3473799845u, 3702624858u, 476400898u, 1043039728u, 2304070437u, 181576948u, 602972493u, 3996616030u, 3289878097u, 2068516226u, 3922247304u, 1299968266u, 2520311409u, 1968824721u, 3214794876u, 1581813122u, 2668800905u, 3297613974u, 748160407u, 1145536484u, 1326769504u, 2973323521u, 3775262814u, 3218653169u, 902775872u, 3498603433u, 1372805534u, 704686363u, 3626542352u, 2271580579u, 1213925114u, 46329775u, 3009384989u, 1330254048u, 1194824134u, 514204310u, 3781981134u, 442526164u, 2835608783u, 3460471867u, 510634034u, 546406434u, 2716786748u, 2840500021u, 1669490957u, 2536189149u, 3251421224u, 1358736072u, 1089334066u, 3260749330u, 250756920u, 2974806681u, 1513718866u, 82635635u, 4041016629u, 3391765744u, 2495807367u, 3962674316u, 2822889695u, 753413337u, 2008251381u, 3123390177u, 106212622u, 490570565u, 1684884205u, 793892547u, 1927268995u, 2344148164u, 2251978818u, 437424236u, 2774023200u, 2674940754u, 3788056262u, 2597882666u, 3678660147u, 3797434193u, 3838215866u, 279687080u, 2656772270u, 2190204787u, 1997584981u, 3384401882u, 3160208845u, 3629379425u, 2668998785u, 1050036757u, 2954162084u, 917091826u, 1744374041u, 1454282570u, 845687881u, 2997173625u, 776018378u, 1137560602u, 1938378389u, 1748082354u, 2066910012u, 2677675207u, 918315064u, }; // Return false only if offset is -1 and a spot check of 3 hashes all yield 0. bool Test(int offset, int len = 0) { #undef Check #undef IsAlive #define Check … #define IsAlive … // After the following line is where the uses of "Check" and such will go. static int index = 0; if (offset == -1) { int alive = 0; { uint64_t h = farmhashte::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } { uint64_t h = farmhashte::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } return true; #undef Check #undef IsAlive } int RunTest() { Setup(); int i = 0; cout << "Running farmhashteTest"; if (!Test(-1)) { cout << "... Unavailable\n"; return NoteErrors(); } // Good. The function is attempting to hash, so run the full test. int errors_prior_to_test = errors; for ( ; i < kTestSize - 1; i++) { Test(i * i, i); } for ( ; i < kDataSize; i += i / 7) { Test(0, i); } Test(0, kDataSize); cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); return NoteErrors(); } #else // After the following line is where the code to print hash codes will go. void Dump(int offset, int len) { { uint64_t h = farmhashte::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashte::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashte::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } } #endif #undef SEED #undef SEED1 #undef SEED0 } // namespace farmhashteTest #if !TESTING int main(int argc, char** argv) { Setup(); cout << "uint32_t expected[] = {\n"; int i = 0; for ( ; i < kTestSize - 1; i++) { farmhashteTest::Dump(i * i, i); } for ( ; i < kDataSize; i += i / 7) { farmhashteTest::Dump(0, i); } farmhashteTest::Dump(0, kDataSize); cout << "};\n"; } #endif #ifndef FARMHASH_SELF_TEST_GUARD #define FARMHASH_SELF_TEST_GUARD #include <cstdio> #include <iostream> #include <string.h> using std::cout; using std::cerr; using std::endl; using std::hex; static const uint64_t kSeed0 = 1234567; static const uint64_t kSeed1 = k0; static const int kDataSize = 1 << 20; static const int kTestSize = 300; #define kSeed128 … static char data[kDataSize]; static int completed_self_tests = 0; static int errors = 0; // Initialize data to pseudorandom values. void Setup() { if (completed_self_tests == 0) { uint64_t a = 9; uint64_t b = 777; for (int i = 0; i < kDataSize; i++) { a += b; b += a; a = (a ^ (a >> 41)) * k0; b = (b ^ (b >> 41)) * k0 + i; uint8_t u = b >> 37; memcpy(data + i, &u, 1); // uint8_t -> char } } } int NoteErrors() { #define NUM_SELF_TESTS … if (++completed_self_tests == NUM_SELF_TESTS) std::exit(errors > 0); return errors; } template <typename T> inline bool IsNonZero(T x) { return x != 0; } template <> inline bool IsNonZero<uint128_t>(uint128_t x) { return x != Uint128(0, 0); } #endif // FARMHASH_SELF_TEST_GUARD namespace farmhashuoTest { uint32_t CreateSeed(int offset, int salt) { uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h += static_cast<uint32_t>(offset & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); return h; } #undef SEED #undef SEED1 #undef SEED0 #define SEED … #define SEED0 … #define SEED1 … #undef TESTING #define TESTING … #if TESTING uint32_t expected[] = { 3277735313u, 2681724312u, 2598464059u, 797982799u, 2603993599u, 921001710u, 1410420968u, 2134990486u, 2914424215u, 2244477846u, 255297188u, 2992121793u, 161451183u, 3943596029u, 4019337850u, 452431531u, 3379021470u, 2557197665u, 299850021u, 2532580744u, 1298374911u, 3099673830u, 2199864459u, 3696623795u, 4055299123u, 3281581178u, 1053458494u, 1882212500u, 3456121707u, 275903667u, 458884671u, 3033004529u, 1898235244u, 1402319660u, 2700149065u, 2699376854u, 2433714046u, 4222949502u, 4220361840u, 1712034059u, 4148372108u, 1330324210u, 594028478u, 2921867846u, 780716741u, 1728752234u, 3280331829u, 326029180u, 393215742u, 3349570000u, 3824583307u, 1612122221u, 1379537552u, 1646032583u, 2233466664u, 1432476832u, 2052294713u, 3552092450u, 1628777059u, 1499109081u, 2960536756u, 1554038301u, 1145519619u, 3190844552u, 237495366u, 540224401u, 65721842u, 489963606u, 1596489240u, 1562872448u, 1790705123u, 2128624475u, 1435705557u, 1262831810u, 155445229u, 1672724608u, 663607706u, 2077310004u, 3610042449u, 1911523866u, 2563776023u, 294527927u, 1099072299u, 1389770549u, 2952353448u, 2026137563u, 3603803785u, 629449419u, 226132789u, 2489287368u, 1552847036u, 645684964u, 187883449u, 230403464u, 3151491850u, 3272648435u, 2002861219u, 165370827u, 916494250u, 1230085527u, 3807265751u, 3628174014u, 231181488u, 851743255u, 2988893883u, 1554380634u, 1142264800u, 3667013118u, 2638023604u, 2290487377u, 732137533u, 1909203251u, 1380301172u, 1498556724u, 4072067757u, 4165088768u, 3931792696u, 197618179u, 956300927u, 914413116u, 2148126371u, 1913303225u, 3074915312u, 3117299654u, 3178848746u, 1357272220u, 1438494951u, 507436733u, 3854939912u, 1413396341u, 126024219u, 146044391u, 3254014218u, 429095991u, 165589978u, 1578546616u, 623071693u, 366414107u, 249776086u, 1207522198u, 3120876698u, 1684583131u, 46987739u, 1157614300u, 199124911u, 520792961u, 3614377032u, 586863115u, 1716848157u, 4033596884u, 1164298657u, 4140791139u, 3824360466u, 3242407770u, 3725511003u, 232064808u, 2736953692u, 816692935u, 512845449u, 3748861010u, 4290630595u, 517646945u, 22638523u, 648000590u, 1283799121u, 3047062993u, 1024246061u, 4027776454u, 834785312u, 382936554u, 411505255u, 1973395102u, 580988377u, 2826990641u, 3474970689u, 1029055034u, 2584372201u, 1758123094u, 589567754u, 325737734u, 3886113119u, 3338548567u, 257578986u, 3698087965u, 3604937815u, 3198590202u, 2305332220u, 191910725u, 4244322689u, 542201663u, 3315355162u, 2135941665u, 1175961330u, 3948351189u, 23075771u, 3252374102u, 713127376u, 1467786451u, 663013031u, 3444053918u, 3077742128u, 1062268187u, 2115441882u, 4081398201u, 2335576331u, 2560479831u, 1379288194u, 4225182569u, 3958366652u, 3067277639u, 3667516477u, 1709989541u, 4188504038u, 59581167u, 2725013602u, 3639843023u, 3758739543u, 4189944477u, 2470483982u, 877580602u, 3252925478u, 2062343506u, 3981838403u, 3762572073u, 2931588131u, 3284356565u, 1129162571u, 732225574u, 1677744031u, 3532596884u, 3232041815u, 1652884780u, 3740979556u, 259034107u, 2227121257u, 1426140634u, 315836068u, 3200749877u, 1386256573u, 24035717u, 234531934u, 1115203611u, 1598686658u, 3146815575u, 2632963283u, 1778459926u, 739944537u, 579625482u, 1231665285u, 2457048126u, 3903349120u, 389846205u, 1052645068u, 862072556u, 2834153464u, 1481069623u, 1688445808u, 701920051u, 3740748788u, 3388062747u, 1192588249u, 1410111809u, 2633463887u, 4050419847u, 2513844237u, 2187968410u, 2951683019u, 3015806005u, 3000537321u, 479241367u, 252167538u, 1231057113u, 393624922u, 704325635u, 1467197045u, 2066433573u, 3082385053u, 735688735u, 956434529u, 4028590195u, 4074716319u, 813690332u, 2124740535u, 804073145u, 3748881891u, 3195309868u, 841856605u, 2585865274u, 881504822u, 3254795114u, 1241815736u, 970796142u, 497175391u, 3929484338u, 4264993211u, 1835322201u, 3675707838u, 4205965408u, 300298607u, 3858319990u, 3255259608u, 4247675634u, 1095823272u, 1197245408u, 1742785722u, 785893184u, 1702965674u, 850401405u, 4084891412u, 1160134629u, 2555998391u, 1972759056u, 710625654u, 4116162021u, 3352753742u, 85121177u, 3513255468u, 2487440590u, 2480032715u, 2287747045u, 4090178629u, 4044418876u, 1703944517u, 486290428u, 1515601363u, 2011102035u, 573985957u, 3536053779u, 4257172787u, 576405853u, 1523550693u, 1014952061u, 711098718u, 2425317635u, 3460807169u, 3688987163u, 3167371443u, 3062418115u, 3330028292u, 1713171303u, 526177822u, 2602636307u, 1245357025u, 3346699703u, 254529415u, 4017058800u, 1829738451u, 2164236533u, 1381258384u, 4036354071u, 1749181924u, 4118435443u, 4130543625u, 688472265u, 2731071299u, 2547657502u, 4175776103u, 338058159u, 3729582129u, 4181845558u, 2227290760u, 146827036u, 2459178427u, 1025353883u, 4284109679u, 2502815838u, 825124804u, 2533140036u, 616327404u, 2448966429u, 413992636u, 2334782461u, 2239052397u, 1082330589u, 3381164715u, 199381437u, 2583939798u, 2848283092u, 2300168091u, 2156336315u, 1855234968u, 1982110346u, 2482046810u, 3158163887u, 2168864636u, 133643215u, 3904021624u, 3646514568u, 1176127003u, 4015671361u, 100525019u, 3534706803u, 2045051700u, 3452457457u, 1492267772u, 2308393828u, 3776661467u, 3281002516u, 4246334524u, 743955039u, 685631442u, 1147951686u, 2040912376u, 2911148054u, 3204999386u, 2415262714u, 313209105u, 777065474u, 2729416454u, 1029284767u, 1632078298u, 1817552554u, 3963877000u, 1919171906u, 3843219958u, 3073580867u, 865146997u, 2473524405u, 2593817617u, 3643076308u, 617975720u, 3671562289u, 121812599u, 2902367378u, 2260041112u, 1019936943u, 320945955u, 2337845588u, 1535670711u, 773792826u, 3152195900u, 4090794518u, 4142587430u, 484732447u, 419191319u, 3377973345u, 324924679u, 2809286837u, 1562277603u, 1378362199u, 3791551981u, 1097806406u, 1386297408u, 2304900033u, 3574135531u, 4017075736u, 1161238398u, 1358056883u, 3487080616u, 1516736273u, 851615042u, 2927899494u, 4077452507u, 2984955003u, 3907754394u, 3578173844u, 1948409509u, 1923531348u, 3578472493u, 3710074193u, 213811117u, 2586632018u, 1922589216u, 274958014u, 1654276320u, 2687561076u, 2569061755u, 3122046057u, 3203802620u, 1692079268u, 477806878u, 140587742u, 520565830u, 3674576684u, 91246882u, 1010215946u, 3703994407u, 69201295u, 776213083u, 3677771507u, 3696902571u, 3593730713u, 2907901228u, 3239753796u, 1586241476u, 1939595371u, 2268396558u, 3468719670u, 2955715987u, 2295501078u, 2775848696u, 1358532390u, 3843660102u, 82177963u, 4094477877u, 191727221u, 278661677u, 2889101923u, 1352525614u, 2844977667u, 1261140657u, 1747052377u, 2334120653u, 645125282u, 2707230761u, 4142246789u, 1068639717u, 2288162940u, 1419293714u, 1636932722u, 3252686293u, 318543902u, 2598802768u, 2025886508u, 2250788464u, 2711763065u, 255108733u, 1845587644u, 3719270134u, 3940707863u, 917608574u, 1363253259u, 788659330u, 673256220u, 109793386u, 341851980u, 2698465479u, 3011229884u, 3886713057u, 1276595523u, 2439962760u, 2700515456u, 205970448u, 4198897105u, 875511891u, 371715572u, 1033680610u, 4278599955u, 3120038721u, 1256300069u, 225629455u, 3735275001u, 3961944123u, 1769389163u, 1074553219u, 668829411u, 1098679359u, 2573697509u, 1885071395u, 4233785523u, 2513878053u, 2030193788u, 360256231u, 107312677u, 310517502u, 2618936366u, 3600462351u, 1216645846u, 2970730323u, 4278812598u, 94638678u, 1689811113u, 4125738800u, 3103759730u, 103797041u, 1397772514u, 1669653333u, 572567964u, 1612872497u, 2986430557u, 214990655u, 3117607990u, 1949717207u, 2260498180u, 1493936866u, 3554860960u, 1582022990u, 1263709570u, 1244120487u, 3416600761u, 224580012u, 4252610345u, 286306391u, 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2908490783u, 251085588u, 830410677u, 3172220325u, 3897208579u, 1940535730u, 151909546u, 2384458112u, }; // Return false only if offset is -1 and a spot check of 3 hashes all yield 0. bool Test(int offset, int len = 0) { #undef Check #undef IsAlive #define Check … #define IsAlive … // After the following line is where the uses of "Check" and such will go. static int index = 0; if (offset == -1) { int alive = 0; { uint64_t h = farmhashuo::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } { uint64_t h = farmhashuo::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } return true; #undef Check #undef IsAlive } int RunTest() { Setup(); int i = 0; cout << "Running farmhashuoTest"; if (!Test(-1)) { cout << "... Unavailable\n"; return NoteErrors(); } // Good. The function is attempting to hash, so run the full test. int errors_prior_to_test = errors; for ( ; i < kTestSize - 1; i++) { Test(i * i, i); } for ( ; i < kDataSize; i += i / 7) { Test(0, i); } Test(0, kDataSize); cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); return NoteErrors(); } #else // After the following line is where the code to print hash codes will go. void Dump(int offset, int len) { { uint64_t h = farmhashuo::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashuo::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } } #endif #undef SEED #undef SEED1 #undef SEED0 } // namespace farmhashuoTest #if !TESTING int main(int argc, char** argv) { Setup(); cout << "uint32_t expected[] = {\n"; int i = 0; for ( ; i < kTestSize - 1; i++) { farmhashuoTest::Dump(i * i, i); } for ( ; i < kDataSize; i += i / 7) { farmhashuoTest::Dump(0, i); } farmhashuoTest::Dump(0, kDataSize); cout << "};\n"; } #endif #ifndef FARMHASH_SELF_TEST_GUARD #define FARMHASH_SELF_TEST_GUARD #include <cstdio> #include <iostream> #include <string.h> using std::cout; using std::cerr; using std::endl; using std::hex; static const uint64_t kSeed0 = 1234567; static const uint64_t kSeed1 = k0; static const int kDataSize = 1 << 20; static const int kTestSize = 300; #define kSeed128 … static char data[kDataSize]; static int completed_self_tests = 0; static int errors = 0; // Initialize data to pseudorandom values. void Setup() { if (completed_self_tests == 0) { uint64_t a = 9; uint64_t b = 777; for (int i = 0; i < kDataSize; i++) { a += b; b += a; a = (a ^ (a >> 41)) * k0; b = (b ^ (b >> 41)) * k0 + i; uint8_t u = b >> 37; memcpy(data + i, &u, 1); // uint8_t -> char } } } int NoteErrors() { #define NUM_SELF_TESTS … if (++completed_self_tests == NUM_SELF_TESTS) std::exit(errors > 0); return errors; } template <typename T> inline bool IsNonZero(T x) { return x != 0; } template <> inline bool IsNonZero<uint128_t>(uint128_t x) { return x != Uint128(0, 0); } #endif // FARMHASH_SELF_TEST_GUARD namespace farmhashxoTest { uint32_t CreateSeed(int offset, int salt) { uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h += static_cast<uint32_t>(offset & 0xffffffff); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); h = h * c1; h ^= (h >> 17); return h; } #undef SEED #undef SEED1 #undef SEED0 #define SEED … #define SEED0 … #define SEED1 … #undef TESTING #define TESTING … #if TESTING uint32_t expected[] = { 1140953930u, 861465670u, 3277735313u, 2681724312u, 2598464059u, 797982799u, 890626835u, 800175912u, 2603993599u, 921001710u, 1410420968u, 2134990486u, 3283896453u, 1867689945u, 2914424215u, 2244477846u, 255297188u, 2992121793u, 1110588164u, 4186314283u, 161451183u, 3943596029u, 4019337850u, 452431531u, 283198166u, 2741341286u, 3379021470u, 2557197665u, 299850021u, 2532580744u, 452473466u, 1706958772u, 1298374911u, 3099673830u, 2199864459u, 3696623795u, 236935126u, 2976578695u, 4055299123u, 3281581178u, 1053458494u, 1882212500u, 2305012065u, 2169731866u, 3456121707u, 275903667u, 458884671u, 3033004529u, 3058973506u, 2379411653u, 1898235244u, 1402319660u, 2700149065u, 2699376854u, 147814787u, 720739346u, 2433714046u, 4222949502u, 4220361840u, 1712034059u, 3425469811u, 3690733394u, 4148372108u, 1330324210u, 594028478u, 2921867846u, 1635026870u, 192883107u, 780716741u, 1728752234u, 3280331829u, 326029180u, 3969463346u, 1436364519u, 393215742u, 3349570000u, 3824583307u, 1612122221u, 2859809759u, 3808705738u, 1379537552u, 1646032583u, 2233466664u, 1432476832u, 4023053163u, 2650381482u, 2052294713u, 3552092450u, 1628777059u, 1499109081u, 3476440786u, 3829307897u, 2960536756u, 1554038301u, 1145519619u, 3190844552u, 2902102606u, 3600725550u, 237495366u, 540224401u, 65721842u, 489963606u, 1448662590u, 397635823u, 1596489240u, 1562872448u, 1790705123u, 2128624475u, 180854224u, 2604346966u, 1435705557u, 1262831810u, 155445229u, 1672724608u, 1669465176u, 1341975128u, 663607706u, 2077310004u, 3610042449u, 1911523866u, 1043692997u, 1454396064u, 2563776023u, 294527927u, 1099072299u, 1389770549u, 703505868u, 678706990u, 2952353448u, 2026137563u, 3603803785u, 629449419u, 1933894405u, 3043213226u, 226132789u, 2489287368u, 1552847036u, 645684964u, 3828089804u, 3632594520u, 187883449u, 230403464u, 3151491850u, 3272648435u, 3729087873u, 1303930448u, 2002861219u, 165370827u, 916494250u, 1230085527u, 3103338579u, 3064290191u, 3807265751u, 3628174014u, 231181488u, 851743255u, 2295806711u, 1781190011u, 2988893883u, 1554380634u, 1142264800u, 3667013118u, 1968445277u, 315203929u, 2638023604u, 2290487377u, 732137533u, 1909203251u, 440398219u, 1891630171u, 1380301172u, 1498556724u, 4072067757u, 4165088768u, 4204318635u, 441430649u, 3931792696u, 197618179u, 956300927u, 914413116u, 3010839769u, 2837339569u, 2148126371u, 1913303225u, 3074915312u, 3117299654u, 4139181436u, 2993479124u, 3178848746u, 1357272220u, 1438494951u, 507436733u, 667183474u, 2084369203u, 3854939912u, 1413396341u, 126024219u, 146044391u, 1016656857u, 3022024459u, 3254014218u, 429095991u, 990500595u, 3056862311u, 985653208u, 1718653828u, 623071693u, 366414107u, 1771289760u, 2293458109u, 3047342438u, 2991127487u, 3120876698u, 1684583131u, 3638043310u, 1170404994u, 863214540u, 1087193030u, 199124911u, 520792961u, 3169775996u, 1577421232u, 3331828431u, 1013201099u, 1716848157u, 4033596884u, 1770708857u, 4229339322u, 1146169032u, 1434258493u, 3824360466u, 3242407770u, 1926419493u, 2649785113u, 872586426u, 762243036u, 2736953692u, 816692935u, 1571283333u, 3555213933u, 2266795890u, 3781899767u, 4290630595u, 517646945u, 3006163611u, 2180594090u, 959214578u, 558910384u, 1283799121u, 3047062993u, 3830962609u, 2391606125u, 3544509313u, 622325861u, 834785312u, 382936554u, 1421463872u, 788479970u, 1825135056u, 2725923798u, 580988377u, 2826990641u, 247825043u, 3167748333u, 812546227u, 2506885666u, 2584372201u, 1758123094u, 1891789696u, 389974094u, 345313518u, 2022370576u, 3886113119u, 3338548567u, 1083486947u, 2583576230u, 1776047957u, 1771384107u, 3604937815u, 3198590202u, 3027522813u, 4155628142u, 4232136669u, 427759438u, 4244322689u, 542201663u, 1549591985u, 2856634168u, 556609672u, 45845311u, 1175961330u, 3948351189u, 4165739882u, 4194218315u, 1634635545u, 4151937410u, 713127376u, 1467786451u, 1327394015u, 2743592929u, 2638154051u, 810082938u, 3077742128u, 1062268187u, 4084325664u, 3810665822u, 3735739145u, 2794294783u, 2335576331u, 2560479831u, 690240711u, 997658837u, 2442302747u, 3948961926u, 3958366652u, 3067277639u, 2059157774u, 1211737169u, 1516711748u, 2339636583u, 4188504038u, 59581167u, 2767897792u, 1389679610u, 2658147000u, 2643979752u, 3758739543u, 4189944477u, 1454470782u, 100876854u, 2995362413u, 118817200u, 3252925478u, 2062343506u, 2804483644u, 3088828656u, 1231633714u, 4168280671u, 2931588131u, 3284356565u, 1255909792u, 3130054947u, 4173605289u, 1407328702u, 1677744031u, 3532596884u, 3162657845u, 3887208531u, 2256541290u, 3459463480u, 3740979556u, 259034107u, 392987633u, 3233195759u, 3606709555u, 3424793077u, 315836068u, 3200749877u, 4065431359u, 760633989u, 2982018998u, 1811050648u, 234531934u, 1115203611u, 3897494162u, 1516407838u, 1603559457u, 323296368u, 2632963283u, 1778459926u, 2879836826u, 2146672889u, 3486330348u, 492621815u, 1231665285u, 2457048126u, 3438440082u, 2217471853u, 3355404249u, 3275550588u, 1052645068u, 862072556u, 4110617119u, 3745267835u, 2657392572u, 4279236653u, 1688445808u, 701920051u, 956734128u, 581695350u, 3157862788u, 2585726058u, 1192588249u, 1410111809u, 1651193125u, 3326135446u, 1073280453u, 97376972u, 2513844237u, 2187968410u, 3976859649u, 4267859263u, 3429034542u, 564493077u, 3000537321u, 479241367u, 3845637831u, 2868987960u, 51544337u, 1029173765u, 393624922u, 704325635u, 2357610553u, 1418509533u, 2007814586u, 3866658271u, 3082385053u, 735688735u, 916110004u, 3283299459u, 1051684175u, 1083796807u, 4074716319u, 813690332u, 144264390u, 1439630796u, 1508556987u, 675582689u, 3748881891u, 3195309868u, 362884708u, 1616408198u, 43233176u, 837301135u, 881504822u, 3254795114u, 1385506591u, 2799925823u, 1469874582u, 3464841997u, 497175391u, 3929484338u, 3975771289u, 1798536177u, 2926265846u, 1374242438u, 3675707838u, 4205965408u, 3153165629u, 1499475160u, 187287713u, 548490821u, 3255259608u, 4247675634u, 1940181471u, 3779953975u, 687167150u, 2319566715u, 1742785722u, 785893184u, 2296977392u, 2778575413u, 1794720651u, 48131484u, 4084891412u, 1160134629u, 3737623280u, 823113169u, 3423207646u, 3803213486u, 710625654u, 4116162021u, 3693420287u, 4167766971u, 1666602807u, 295320990u, 3513255468u, 2487440590u, 234080704u, 4004655503u, 2971762528u, 1479656873u, 4090178629u, 4044418876u, 391947536u, 1462554406u, 3909295855u, 1239580330u, 1515601363u, 2011102035u, 1442068334u, 4265993528u, 1191921695u, 2291355695u, 4257172787u, 576405853u, 314332944u, 4038839101u, 55559918u, 2378985842u, 711098718u, 2425317635u, 1644327317u, 1401013391u, 4193760037u, 2958260436u, 3167371443u, 3062418115u, 3800755475u, 3167030094u, 3489648204u, 1405430357u, 526177822u, 2602636307u, 915406019u, 4264167741u, 1484090483u, 3070944737u, 254529415u, 4017058800u, 1702710265u, 1029665228u, 2000382906u, 3185573940u, 1381258384u, 4036354071u, 2900841028u, 2670703363u, 2921748807u, 2899069938u, 4130543625u, 688472265u, 4186808827u, 1054670286u, 1132985391u, 2840525968u, 4175776103u, 338058159u, 1735964501u, 1539305024u, 3497121710u, 1568260669u, 2227290760u, 146827036u, 3977176001u, 4060134777u, 857488494u, 250055052u, 4284109679u, 2502815838u, 2592281721u, 1603444633u, 1390562014u, 1556658131u, 616327404u, 2448966429u, 3051191726u, 3891353218u, 1213304082u, 762328245u, 2239052397u, 1082330589u, 2455957292u, 201837927u, 405397452u, 3079886794u, 2583939798u, 2848283092u, 3750724631u, 883849006u, 3204198988u, 3341327098u, 1855234968u, 1982110346u, 1485529487u, 541496720u, 4117290321u, 3607433551u, 2168864636u, 133643215u, 1055817409u, 3847827123u, 2960769387u, 4046101649u, 1176127003u, 4015671361u, 4243643405u, 2849988118u, 517111221u, 1796672358u, 2045051700u, 3452457457u, 2948254999u, 2102063419u, 1556410577u, 1536380876u, 3776661467u, 3281002516u, 1735616066u, 1539151988u, 1087795162u, 3332431596u, 685631442u, 1147951686u, 95237878u, 2005032160u, 4012206915u, 4224354805u, 3204999386u, 2415262714u, 1433635018u, 116647396u, 83167836u, 2881562655u, 2729416454u, 1029284767u, 881378302u, 2159170082u, 555057366u, 1169104445u, 3963877000u, 1919171906u, 336034862u, 2017579106u, 4059340529u, 3020819343u, 865146997u, 2473524405u, 944743644u, 1694443528u, 1804513294u, 2904752429u, 617975720u, 3671562289u, 260177668u, 505662155u, 1885941445u, 2504509403u, 2260041112u, 1019936943u, 3722741628u, 1511077569u, 3100701179u, 1379422864u, 1535670711u, 773792826u, 1103819072u, 2089123665u, 1157547425u, 329152940u, 4142587430u, 484732447u, 2475035432u, 1120017626u, 412145504u, 965125959u, 324924679u, 2809286837u, 2842141483u, 4029205195u, 2974306813u, 515627448u, 3791551981u, 1097806406u, 3873078673u, 136118734u, 1872130856u, 3632422367u, 3574135531u, 4017075736u, 1699452298u, 1403506686u, 344414660u, 1189129691u, 3487080616u, 1516736273u, 1805475756u, 2562064338u, 163335594u, 2732147834u, 4077452507u, 2984955003u, 4271866024u, 3071338162u, 2347111903u, 873829983u, 1948409509u, 1923531348u, 459509140u, 771592405u, 1750124750u, 2334938333u, 213811117u, 2586632018u, 185232757u, 4032960199u, 2447383637u, 284777551u, 1654276320u, 2687561076u, 3512945009u, 308584855u, 1861027147u, 4102279334u, 3203802620u, 1692079268u, 4250142168u, 2565680167u, 1507046104u, 841195925u, 520565830u, 3674576684u, 38924274u, 3770488806u, 2414430882u, 3978473838u, 3703994407u, 69201295u, 3099963860u, 1255084262u, 690971838u, 3539996781u, 3696902571u, 3593730713u, 2363435042u, 54945052u, 1785765213u, 184911581u, 1586241476u, 1939595371u, 2534883189u, 2432427547u, 2374171993u, 2039128933u, 2955715987u, 2295501078u, 2741583197u, 1280920000u, 686818699u, 1238742497u, 3843660102u, 82177963u, 1281043691u, 1121403845u, 1697846708u, 284852964u, 278661677u, 2889101923u, 2127558730u, 713121337u, 872502474u, 511142139u, 1261140657u, 1747052377u, 2108187161u, 927011680u, 955328267u, 3821994995u, 2707230761u, 4142246789u, 4134691985u, 1958963937u, 2498463509u, 1977988705u, 1419293714u, 1636932722u, 2567532373u, 4075249328u, 240575705u, 1956681213u, 2598802768u, 2025886508u, 4104757832u, 3026358429u, 3242615202u, 4026813725u, 255108733u, 1845587644u, 3573008472u, 3615577014u, 1222733548u, 1205557630u, 917608574u, 1363253259u, 1541946015u, 3087190425u, 1138008081u, 1444019663u, 109793386u, 341851980u, 857839960u, 2515339233u, 156283211u, 1906768669u, 3886713057u, 1276595523u, 2809830736u, 460237542u, 3420452099u, 142985419u, 205970448u, 4198897105u, 1950698961u, 2069753399u, 1142216925u, 1113051162u, 1033680610u, 4278599955u, 1106466069u, 356742959u, 531521052u, 3494863964u, 225629455u, 3735275001u, 3662626864u, 1750561299u, 1012864651u, 2101846429u, 1074553219u, 668829411u, 992181339u, 3384018814u, 3330664522u, 860966321u, 1885071395u, 4233785523u, 100741310u, 451656820u, 2148187612u, 1063001151u, 360256231u, 107312677u, 3650357479u, 2390172694u, 22452685u, 237319043u, 3600462351u, 1216645846u, 2088767754u, 164402616u, 2418980170u, 926137824u, 94638678u, 1689811113u, 2751052984u, 1767810825u, 271289013u, 3896132233u, 103797041u, 1397772514u, 3441135892u, 3323383489u, 2491268371u, 1662561885u, 1612872497u, 2986430557u, 2756998822u, 207428029u, 937973965u, 2791656726u, 1949717207u, 2260498180u, 2648427775u, 2360400900u, 2080496169u, 486358863u, 1582022990u, 1263709570u, 1396468647u, 1377764574u, 363008508u, 1293502429u, 224580012u, 4252610345u, 1435134775u, 1099809675u, 533671980u, 1533438766u, 1820532305u, 2776960536u, 3374512975u, 3542220540u, 822810075u, 3716663290u, 1157398049u, 3752806924u, 4081637863u, 337070226u, 3866585976u, 359270190u, 2110942730u, 3267551635u, 644850146u, 1306761320u, 746972907u, 934259457u, 2341378668u, 2220373824u, 1242645122u, 4109252858u, 1625266099u, 1173698481u, 383517064u, 896322512u, 3377483696u, 1788337208u, 455496839u, 3194373887u, 1837689083u, 1336556841u, 1658628529u, 2911512007u, 3838343487u, 2757664765u, 1537187340u, 3712582785u, 367022558u, 3071359622u, 3926147070u, 35432879u, 3093195926u, 2561488770u, 4273132307u, 3898950547u, 2838251049u, 2103926083u, 2549435227u, 536047554u, 1858986613u, 2040551642u, 1147412575u, 1972369852u, 4166184983u, 3528794619u, 4077477194u, 3565689036u, 808048238u, 3826350461u, 1359641525u, 1197100813u, 265993036u, 1864569342u, 725164342u, 2264788336u, 1831223342u, 3329594980u, 923017956u, 490608221u, 3818634478u, 258154469u, 1441714797u, 1174785921u, 3833372385u, 3287246572u, 1677395563u, 3569218731u, 868981704u, 2163330264u, 2649450292u, 500120236u, 465161780u, 746438382u, 1145009669u, 2520062970u, 2810524030u, 1561519055u, 1479878006u, 3864969305u, 2686075657u, 4042710240u, 3224066062u, 2774151984u, 2226179547u, 1643626042u, 2328730865u, 3160666939u, 2107011431u, 96459446u, 3920328742u, 3336407558u, 829404209u, 1878067032u, 1235983679u, 4237425634u, 466519055u, 3870676863u, 934312076u, 2952135524u, 276949224u, 4100839753u, 424001484u, 1955120893u, 4015478120u, 1265237690u, 427484362u, 4246879223u, 3452969617u, 1724363362u, 1553513184u, 834830418u, 1858777639u, 3476334357u, 4144030366u, 2450047160u, 2950762705u, 4277111759u, 358032121u, 2511026735u, 167923105u, 2059208280u, 251949572u, 3065234219u, 1535473864u, 556796152u, 1513237478u, 3150857516u, 1103404394u, 198182691u, 1476438092u, 2913077464u, 207119516u, 3963810232u, 2954651680u, 1535115487u, 3051522276u, 4046477658u, 917804636u, 864395565u, 632704095u, 140762681u, 1802040304u, 990407433u, 3771506212u, 4106024923u, 1287729497u, 2198985327u, 4052924496u, 2926590471u, 3084557148u, 1472898694u, 1009870118u, 559702706u, 4265214507u, 82077489u, 3067891003u, 3295678907u, 2402308151u, 1096697687u, 464407878u, 4190838199u, 4269578403u, 3060919438u, 2899950405u, 3046872820u, 733509243u, 1583801700u, 40453902u, 3879773881u, 1993425202u, 2185339100u, 1877837196u, 3912423882u, 3293122640u, 4104318469u, 1679617763u, 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868414882u, 177406999u, 1608110313u, 642061169u, 2093999089u, 222470301u, 1027515771u, 3131251981u, 2851936150u, 4272755262u, 2763002551u, 1881527822u, 1532845092u, 709643652u, 682573592u, 1244104217u, 440905170u, 1111321746u, 796769556u, 2500467040u, 3002618826u, 1112998535u, 1188525643u, 4212674512u, 1780193104u, 1243644607u, 3691719535u, 2958853053u, 2813437721u, 4036584207u, 466635014u, 2277292580u, 4082276003u, 1030800045u, 1899531424u, 609466946u, 1750863246u, 379050598u, 3576413281u, 731493104u, 2707384133u, 2289193651u, 132259176u, 4115195437u, 1769890695u, 2715470335u, 3348954692u, 2166575624u, 1819263183u, 2028531518u, 2154809766u, 3672399742u, 1142139448u, 88299682u, 76727603u, 4198182186u, 2304993586u, 1666387627u, 2488475423u, 3832777692u, 284366017u, 3359785538u, 3469807328u, 2926494787u, 1914195188u, 1134129972u, 3829072836u, 2493478921u, 3738499303u, 3311304980u, 726951526u, 911080963u, 932916545u, 2235559063u, 2909742396u, 1765719309u, 465269850u, 3803621553u, 1456588655u, 508290328u, 1490719640u, 3356513470u, 2262196163u, 1451774941u, 2908490783u, 251085588u, 830410677u, 3172220325u, 4039692645u, 1383603170u, 3897208579u, 1940535730u, 151909546u, 2384458112u, }; // Return false only if offset is -1 and a spot check of 3 hashes all yield 0. bool Test(int offset, int len = 0) { #undef Check #undef IsAlive #define Check … #define IsAlive … // After the following line is where the uses of "Check" and such will go. static int index = 0; if (offset == -1) { int alive = 0; { uint64_t h = farmhashxo::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } { uint64_t h = farmhashxo::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } return true; #undef Check #undef IsAlive } int RunTest() { Setup(); int i = 0; cout << "Running farmhashxoTest"; if (!Test(-1)) { cout << "... Unavailable\n"; return NoteErrors(); } // Good. The function is attempting to hash, so run the full test. int errors_prior_to_test = errors; for ( ; i < kTestSize - 1; i++) { Test(i * i, i); } for ( ; i < kDataSize; i += i / 7) { Test(0, i); } Test(0, kDataSize); cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); return NoteErrors(); } #else // After the following line is where the code to print hash codes will go. void Dump(int offset, int len) { { uint64_t h = farmhashxo::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashxo::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashxo::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } } #endif #undef SEED #undef SEED1 #undef SEED0 } // namespace farmhashxoTest #if !TESTING int main(int argc, char** argv) { Setup(); cout << "uint32_t expected[] = {\n"; int i = 0; for ( ; i < kTestSize - 1; i++) { farmhashxoTest::Dump(i * i, i); } for ( ; i < kDataSize; i += i / 7) { farmhashxoTest::Dump(0, i); } farmhashxoTest::Dump(0, kDataSize); cout << "};\n"; } #endif int main() { farmhashccTest::RunTest(); farmhashmkTest::RunTest(); farmhashnaTest::RunTest(); farmhashntTest::RunTest(); farmhashsaTest::RunTest(); farmhashsuTest::RunTest(); farmhashteTest::RunTest(); farmhashuoTest::RunTest(); farmhashxoTest::RunTest(); __builtin_unreachable(); } #endif // FARMHASHSELFTEST
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