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// Copyright (c) All contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
extern alias newmsgpack;
extern alias oldmsgpack;
using System;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Configs;
using Nerdbank.Streams;
namespace PerfBenchmarkDotNet
{
[GroupBenchmarksBy(BenchmarkLogicalGroupRule.ByCategory)]
[CategoriesColumn]
public class MessagePackWriterBenchmark : IDisposable
{
private const int RepsOverArray = 300 * 1024;
private readonly Sequence<byte> sequence = new Sequence<byte>();
private readonly int[] values = new int[newmsgpack::MessagePack.MessagePackCode.MaxFixInt];
private readonly byte[] byteValues = new byte[newmsgpack::MessagePack.MessagePackCode.MaxFixInt];
private byte[] bytes;
[GlobalSetup]
public void GlobalSetup()
{
int bufferSize = 16 + (4 * RepsOverArray * this.values.Length);
this.bytes = new byte[bufferSize];
for (int i = 0; i < this.values.Length; i++)
{
this.values[i] = i + 1;
}
for (int i = 0; i < this.byteValues.Length; i++)
{
this.byteValues[i] = (byte)(i + 1);
}
}
[IterationSetup]
public void IterationSetup() => this.sequence.GetSpan(this.bytes.Length);
[IterationCleanup]
public void IterationCleanup() => this.sequence.Reset();
[Benchmark(OperationsPerInvoke = RepsOverArray * newmsgpack::MessagePack.MessagePackCode.MaxFixInt)]
[BenchmarkCategory("2.0")]
public void Write_Byte()
{
var writer = new newmsgpack::MessagePack.MessagePackWriter(this.sequence);
for (int j = 0; j < RepsOverArray; j++)
{
for (int i = 0; i < this.byteValues.Length; i++)
{
writer.Write(this.byteValues[i]);
}
}
}
[Benchmark(OperationsPerInvoke = RepsOverArray * newmsgpack::MessagePack.MessagePackCode.MaxFixInt)]
[BenchmarkCategory("1.x")]
public void WriteByte()
{
int offset = 0;
for (int j = 0; j < RepsOverArray; j++)
{
for (int i = 0; i < this.byteValues.Length; i++)
{
offset += oldmsgpack::MessagePack.MessagePackBinary.WriteByte(ref this.bytes, offset, this.byteValues[i]);
}
}
}
[Benchmark(OperationsPerInvoke = RepsOverArray * newmsgpack::MessagePack.MessagePackCode.MaxFixInt)]
[BenchmarkCategory("2.0")]
public void Write_UInt32()
{
var writer = new newmsgpack::MessagePack.MessagePackWriter(this.sequence);
for (int j = 0; j < RepsOverArray; j++)
{
for (int i = 0; i < this.values.Length; i++)
{
writer.Write((uint)this.values[i]);
}
}
}
[Benchmark(OperationsPerInvoke = RepsOverArray * newmsgpack::MessagePack.MessagePackCode.MaxFixInt)]
[BenchmarkCategory("2.0")]
public void Write_Int32()
{
var writer = new newmsgpack::MessagePack.MessagePackWriter(this.sequence);
for (int j = 0; j < RepsOverArray; j++)
{
for (int i = 0; i < this.values.Length; i++)
{
writer.Write(this.values[i]);
}
}
}
[Benchmark(OperationsPerInvoke = RepsOverArray * newmsgpack::MessagePack.MessagePackCode.MaxFixInt)]
[BenchmarkCategory("1.x")]
public void WriteInt32()
{
int offset = 0;
for (int j = 0; j < RepsOverArray; j++)
{
for (int i = 0; i < this.values.Length; i++)
{
offset += oldmsgpack::MessagePack.MessagePackBinary.WriteInt32(ref this.bytes, offset, this.values[i]);
}
}
}
[Benchmark(OperationsPerInvoke = 5000000)]
[BenchmarkCategory("2.0")]
public void Write_String()
{
for (int j = 0; j < 5; j++)
{
var writer = new newmsgpack::MessagePack.MessagePackWriter(this.sequence);
for (int i = 0; i < 1000000; i++)
{
writer.Write("Hello!");
}
writer.Flush();
this.sequence.Reset();
this.sequence.GetSpan(this.bytes.Length);
}
}
[Benchmark(OperationsPerInvoke = 5000000)]
[BenchmarkCategory("1.x")]
public void WriteString()
{
for (int j = 0; j < 5; j++)
{
int offset = 0;
for (int i = 0; i < 1000000; i++)
{
offset += oldmsgpack::MessagePack.MessagePackBinary.WriteString(ref this.bytes, offset, "Hello!");
}
offset = 0;
}
}
public void Dispose()
{
this.Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
this.sequence.Dispose();
}
}
}
}
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