#region Copyright notice and license
// Protocol Buffers - Google's data interchange format
// Copyright 2019 Google Inc. All rights reserved.
// https://github.com/protocolbuffers/protobuf
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion
using BenchmarkDotNet.Attributes;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Buffers;
using Google.Protobuf.WellKnownTypes;
using Benchmarks.Proto3;
namespace Google.Protobuf.Benchmarks
{
/// <summary>
/// Benchmark that tests parsing performance for various messages.
/// </summary>
[MemoryDiagnoser]
public class ParseMessagesBenchmark
{
const int MaxMessages = 100;
SubTest manyWrapperFieldsTest = new SubTest(CreateManyWrapperFieldsMessage(), ManyWrapperFieldsMessage.Parser, () => new ManyWrapperFieldsMessage(), MaxMessages);
SubTest manyPrimitiveFieldsTest = new SubTest(CreateManyPrimitiveFieldsMessage(), ManyPrimitiveFieldsMessage.Parser, () => new ManyPrimitiveFieldsMessage(), MaxMessages);
SubTest repeatedFieldTest = new SubTest(CreateRepeatedFieldMessage(), GoogleMessage1.Parser, () => new GoogleMessage1(), MaxMessages);
SubTest emptyMessageTest = new SubTest(new Empty(), Empty.Parser, () => new Empty(), MaxMessages);
public IEnumerable<int> MessageCountValues => new[] { 10, 100 };
[GlobalSetup]
public void GlobalSetup()
{
}
[Benchmark]
public IMessage ManyWrapperFieldsMessage_ParseFromByteArray()
{
return manyWrapperFieldsTest.ParseFromByteArray();
}
[Benchmark]
public IMessage ManyWrapperFieldsMessage_ParseFromReadOnlySequence()
{
return manyWrapperFieldsTest.ParseFromReadOnlySequence();
}
[Benchmark]
public IMessage ManyPrimitiveFieldsMessage_ParseFromByteArray()
{
return manyPrimitiveFieldsTest.ParseFromByteArray();
}
[Benchmark]
public IMessage ManyPrimitiveFieldsMessage_ParseFromReadOnlySequence()
{
return manyPrimitiveFieldsTest.ParseFromReadOnlySequence();
}
[Benchmark]
public IMessage RepeatedFieldMessage_ParseFromByteArray()
{
return repeatedFieldTest.ParseFromByteArray();
}
[Benchmark]
public IMessage RepeatedFieldMessage_ParseFromReadOnlySequence()
{
return repeatedFieldTest.ParseFromReadOnlySequence();
}
[Benchmark]
public IMessage EmptyMessage_ParseFromByteArray()
{
return emptyMessageTest.ParseFromByteArray();
}
[Benchmark]
public IMessage EmptyMessage_ParseFromReadOnlySequence()
{
return emptyMessageTest.ParseFromReadOnlySequence();
}
[Benchmark]
[ArgumentsSource(nameof(MessageCountValues))]
public void ManyWrapperFieldsMessage_ParseDelimitedMessagesFromByteArray(int messageCount)
{
manyWrapperFieldsTest.ParseDelimitedMessagesFromByteArray(messageCount);
}
[Benchmark]
[ArgumentsSource(nameof(MessageCountValues))]
public void ManyWrapperFieldsMessage_ParseDelimitedMessagesFromReadOnlySequence(int messageCount)
{
manyWrapperFieldsTest.ParseDelimitedMessagesFromReadOnlySequence(messageCount);
}
[Benchmark]
[ArgumentsSource(nameof(MessageCountValues))]
public void ManyPrimitiveFieldsMessage_ParseDelimitedMessagesFromByteArray(int messageCount)
{
manyPrimitiveFieldsTest.ParseDelimitedMessagesFromByteArray(messageCount);
}
[Benchmark]
[ArgumentsSource(nameof(MessageCountValues))]
public void ManyPrimitiveFieldsMessage_ParseDelimitedMessagesFromReadOnlySequence(int messageCount)
{
manyPrimitiveFieldsTest.ParseDelimitedMessagesFromReadOnlySequence(messageCount);
}
[Benchmark]
[ArgumentsSource(nameof(MessageCountValues))]
public void RepeatedFieldMessage_ParseDelimitedMessagesFromByteArray(int messageCount)
{
repeatedFieldTest.ParseDelimitedMessagesFromByteArray(messageCount);
}
[Benchmark]
[ArgumentsSource(nameof(MessageCountValues))]
public void RepeatedFieldMessage_ParseDelimitedMessagesFromReadOnlySequence(int messageCount)
{
repeatedFieldTest.ParseDelimitedMessagesFromReadOnlySequence(messageCount);
}
public static ManyWrapperFieldsMessage CreateManyWrapperFieldsMessage()
{
// Example data match data of an internal benchmarks
return new ManyWrapperFieldsMessage()
{
Int64Field19 = 123,
Int64Field37 = 1000032,
Int64Field26 = 3453524500,
DoubleField79 = 1.2,
DoubleField25 = 234,
DoubleField9 = 123.3,
DoubleField28 = 23,
DoubleField7 = 234,
DoubleField50 = 2.45
};
}
public static ManyPrimitiveFieldsMessage CreateManyPrimitiveFieldsMessage()
{
// Example data match data of an internal benchmarks
return new ManyPrimitiveFieldsMessage()
{
Int64Field19 = 123,
Int64Field37 = 1000032,
Int64Field26 = 3453524500,
DoubleField79 = 1.2,
DoubleField25 = 234,
DoubleField9 = 123.3,
DoubleField28 = 23,
DoubleField7 = 234,
DoubleField50 = 2.45
};
}
public static GoogleMessage1 CreateRepeatedFieldMessage()
{
// Message with a repeated fixed length item collection
var message = new GoogleMessage1();
for (ulong i = 0; i < 1000; i++)
{
message.Field5.Add(i);
}
return message;
}
private class SubTest
{
private readonly IMessage message;
private readonly MessageParser parser;
private readonly Func<IMessage> factory;
private readonly byte[] data;
private readonly byte[] multipleMessagesData;
private ReadOnlySequence<byte> dataSequence;
private ReadOnlySequence<byte> multipleMessagesDataSequence;
public SubTest(IMessage message, MessageParser parser, Func<IMessage> factory, int maxMessageCount)
{
this.message = message;
this.parser = parser;
this.factory = factory;
this.data = message.ToByteArray();
this.multipleMessagesData = CreateBufferWithMultipleMessages(message, maxMessageCount);
this.dataSequence = new ReadOnlySequence<byte>(this.data);
this.multipleMessagesDataSequence = new ReadOnlySequence<byte>(this.multipleMessagesData);
}
public IMessage ParseFromByteArray() => parser.ParseFrom(data);
public IMessage ParseFromReadOnlySequence() => parser.ParseFrom(dataSequence);
public void ParseDelimitedMessagesFromByteArray(int messageCount)
{
var input = new CodedInputStream(multipleMessagesData);
for (int i = 0; i < messageCount; i++)
{
var msg = factory();
input.ReadMessage(msg);
}
}
public void ParseDelimitedMessagesFromReadOnlySequence(int messageCount)
{
ParseContext.Initialize(multipleMessagesDataSequence, out ParseContext ctx);
for (int i = 0; i < messageCount; i++)
{
var msg = factory();
ctx.ReadMessage(msg);
}
}
private static byte[] CreateBufferWithMultipleMessages(IMessage msg, int msgCount)
{
var ms = new MemoryStream();
var cos = new CodedOutputStream(ms);
for (int i = 0; i < msgCount; i++)
{
cos.WriteMessage(msg);
}
cos.Flush();
return ms.ToArray();
}
}
}
}
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