// Copyright 2009-2021 Intel Corporation // SPDX-License-Identifier: Apache-2.0 #pragma once #define CACHELINE_SIZE … #if !defined(PAGE_SIZE) #define PAGE_SIZE … #endif #define PAGE_SIZE_2M … #define PAGE_SIZE_4K … #include "platform.h" /* define isa namespace and ISA bitvector */ #if defined (__AVX512VL__) #define isa … #define ISA … #define ISA_STR … #elif defined (__AVX2__) #define isa … #define ISA … #define ISA_STR … #elif defined(__AVXI__) #define isa … #define ISA … #define ISA_STR … #elif defined(__AVX__) #define isa … #define ISA … #define ISA_STR … #elif defined (__SSE4_2__) #define isa … #define ISA … #define ISA_STR … //#elif defined (__SSE4_1__) // we demote this to SSE2, MacOSX code compiles with SSE41 by default with XCode 11 //# define isa sse41 //# define ISA SSE41 //# define ISA_STR "SSE4.1" //#elif defined(__SSSE3__) // we demote this to SSE2, MacOSX code compiles with SSSE3 by default with ICC //# define isa ssse3 //# define ISA SSSE3 //# define ISA_STR "SSSE3" //#elif defined(__SSE3__) // we demote this to SSE2, MacOSX code compiles with SSE3 by default with clang //# define isa sse3 //# define ISA SSE3 //# define ISA_STR "SSE3" #elif defined(__SSE2__) || defined(__SSE3__) || defined(__SSSE3__) #define isa … #define ISA … #define ISA_STR … #elif defined(__SSE__) #define isa … #define ISA … #define ISA_STR … #elif defined(__ARM_NEON) // NOTE(LTE): Use sse2 for `isa` for the compatibility at the moment. #define isa … #define ISA … #define ISA_STR … #else #error Unknown ISA #endif namespace embree { enum class CPU { … }; /*! get the full path to the running executable */ std::string getExecutableFileName(); /*! return platform name */ std::string getPlatformName(); /*! get the full name of the compiler */ std::string getCompilerName(); /*! return the name of the CPU */ std::string getCPUVendor(); /*! get microprocessor model */ CPU getCPUModel(); /*! converts CPU model into string */ std::string stringOfCPUModel(CPU model); /*! CPU features */ static const int CPU_FEATURE_SSE = …; static const int CPU_FEATURE_SSE2 = …; static const int CPU_FEATURE_SSE3 = …; static const int CPU_FEATURE_SSSE3 = …; static const int CPU_FEATURE_SSE41 = …; static const int CPU_FEATURE_SSE42 = …; static const int CPU_FEATURE_POPCNT = …; static const int CPU_FEATURE_AVX = …; static const int CPU_FEATURE_F16C = …; static const int CPU_FEATURE_RDRAND = …; static const int CPU_FEATURE_AVX2 = …; static const int CPU_FEATURE_FMA3 = …; static const int CPU_FEATURE_LZCNT = …; static const int CPU_FEATURE_BMI1 = …; static const int CPU_FEATURE_BMI2 = …; static const int CPU_FEATURE_AVX512F = …; static const int CPU_FEATURE_AVX512DQ = …; static const int CPU_FEATURE_AVX512PF = …; static const int CPU_FEATURE_AVX512ER = …; static const int CPU_FEATURE_AVX512CD = …; static const int CPU_FEATURE_AVX512BW = …; static const int CPU_FEATURE_AVX512VL = …; static const int CPU_FEATURE_AVX512IFMA = …; static const int CPU_FEATURE_AVX512VBMI = …; static const int CPU_FEATURE_XMM_ENABLED = …; static const int CPU_FEATURE_YMM_ENABLED = …; static const int CPU_FEATURE_ZMM_ENABLED = …; static const int CPU_FEATURE_NEON = …; static const int CPU_FEATURE_NEON_2X = …; /*! get CPU features */ int getCPUFeatures(); /*! convert CPU features into a string */ std::string stringOfCPUFeatures(int features); /*! creates a string of all supported targets that are supported */ std::string supportedTargetList (int isa); /*! ISAs */ static const int SSE = …; static const int SSE2 = …; static const int SSE3 = …; static const int SSSE3 = …; static const int SSE41 = …; static const int SSE42 = …; static const int AVX = …; static const int AVXI = …; static const int AVX2 = …; static const int AVX512 = …; static const int NEON = …; static const int NEON_2X = …; /*! converts ISA bitvector into a string */ std::string stringOfISA(int features); /*! return the number of logical threads of the system */ unsigned int getNumberOfLogicalThreads(); /*! returns the size of the terminal window in characters */ int getTerminalWidth(); /*! returns performance counter in seconds */ double getSeconds(); /*! sleeps the specified number of seconds */ void sleepSeconds(double t); /*! returns virtual address space occupied by process */ size_t getVirtualMemoryBytes(); /*! returns resident memory required by process */ size_t getResidentMemoryBytes(); }
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