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Merge PR #330: Add a benchmarks project using BenchmarkDotNet
1 parent 98bbdda commit 1a12d9c

8 files changed

Lines changed: 285 additions & 3 deletions

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‎ICSharpCode.SharpZipLib.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 15
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VisualStudioVersion = 15.0.26228.9
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.28705.295
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Configuration", "Solution Configuration", "{F1097E98-4DEB-4A0A-81EE-5CEC667EBDF0}"
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ProjectSection(SolutionItems) = preProject
@@ -15,7 +15,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ICSharpCode.SharpZipLib", "
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ICSharpCode.SharpZipLib.Tests", "test\ICSharpCode.SharpZipLib.Tests\ICSharpCode.SharpZipLib.Tests.csproj", "{82211166-9C45-4603-8E3A-2CA2EFFCBC26}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ICSharpCode.SharpZipLib.TestBootstrapper", "test\ICSharpCode.SharpZipLib.TestBootstrapper\ICSharpCode.SharpZipLib.TestBootstrapper.csproj", "{535D7365-C5B1-4253-9233-D72D972CA851}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ICSharpCode.SharpZipLib.TestBootstrapper", "test\ICSharpCode.SharpZipLib.TestBootstrapper\ICSharpCode.SharpZipLib.TestBootstrapper.csproj", "{535D7365-C5B1-4253-9233-D72D972CA851}"
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ICSharpCode.SharpZipLib.Benchmark", "benchmark\ICSharpCode.SharpZipLib.Benchmark\ICSharpCode.SharpZipLib.Benchmark.csproj", "{C51E638B-DDD0-48B6-A6BD-EBC4E6A104C7}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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{535D7365-C5B1-4253-9233-D72D972CA851}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{535D7365-C5B1-4253-9233-D72D972CA851}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{535D7365-C5B1-4253-9233-D72D972CA851}.Release|Any CPU.Build.0 = Release|Any CPU
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{C51E638B-DDD0-48B6-A6BD-EBC4E6A104C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{C51E638B-DDD0-48B6-A6BD-EBC4E6A104C7}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{C51E638B-DDD0-48B6-A6BD-EBC4E6A104C7}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{C51E638B-DDD0-48B6-A6BD-EBC4E6A104C7}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {0A049193-65F8-49AF-82CB-75D42563DA16}
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EndGlobalSection
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EndGlobal

‎benchmark/ICSharpCode.SharpZipLib.Benchmark/Checksum/Adler32.cs‎

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using System;
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using BenchmarkDotNet.Attributes;
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namespace ICSharpCode.SharpZipLib.Benchmark.Checksum
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{
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[Config(typeof(MultipleRuntimes))]
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public class Adler32
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{
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private const int ChunkCount = 256;
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private const int ChunkSize = 1024 * 1024;
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private const int N = ChunkCount * ChunkSize;
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private readonly byte[] data;
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public Adler32()
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{
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data = new byte[N];
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new Random(1).NextBytes(data);
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}
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[Benchmark]
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public long Adler32LargeUpdate()
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{
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var adler32 = new ICSharpCode.SharpZipLib.Checksum.Adler32();
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adler32.Update(data);
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return adler32.Value;
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}
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/*
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[Benchmark]
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public long Adler32ChunkedUpdate()
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{
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var adler32 = new ICSharpCode.SharpZipLib.Checksum.Adler32();
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for (int i = 0; i < ChunkCount; i++)
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{
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var segment = new ArraySegment<byte>(data, ChunkSize * i, ChunkSize);
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adler32.Update(segment);
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}
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return adler32.Value;
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}
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*/
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}
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}

‎benchmark/ICSharpCode.SharpZipLib.Benchmark/Checksum/BZip2Crc.cs‎

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using System;
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using BenchmarkDotNet.Attributes;
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namespace ICSharpCode.SharpZipLib.Benchmark.Checksum
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{
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[Config(typeof(MultipleRuntimes))]
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public class BZip2Crc
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{
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private const int ChunkCount = 256;
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private const int ChunkSize = 1024 * 1024;
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private const int N = ChunkCount * ChunkSize;
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private readonly byte[] data;
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public BZip2Crc()
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{
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data = new byte[N];
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new Random(1).NextBytes(data);
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}
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[Benchmark]
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public long BZip2CrcLargeUpdate()
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{
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var bzipCrc = new ICSharpCode.SharpZipLib.Checksum.BZip2Crc();
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bzipCrc.Update(data);
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return bzipCrc.Value;
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}
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/*
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[Benchmark]
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public long BZip2CrcChunkedUpdate()
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{
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var bzipCrc = new ICSharpCode.SharpZipLib.Checksum.BZip2Crc();
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for (int i = 0; i < ChunkCount; i++)
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{
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var segment = new ArraySegment<byte>(data, ChunkSize * i, ChunkSize);
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bzipCrc.Update(segment);
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}
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return bzipCrc.Value;
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}
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*/
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}
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}

‎benchmark/ICSharpCode.SharpZipLib.Benchmark/Checksum/Crc32.cs‎

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using System;
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using BenchmarkDotNet.Attributes;
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namespace ICSharpCode.SharpZipLib.Benchmark.Checksum
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{
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[Config(typeof(MultipleRuntimes))]
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public class Crc32
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{
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private const int ChunkCount = 256;
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private const int ChunkSize = 1024 * 1024;
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private const int N = ChunkCount * ChunkSize;
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private readonly byte[] data;
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public Crc32()
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{
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data = new byte[N];
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new Random(1).NextBytes(data);
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}
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[Benchmark]
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public long Crc32LargeUpdate()
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{
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var crc32 = new ICSharpCode.SharpZipLib.Checksum.Crc32();
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crc32.Update(data);
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return crc32.Value;
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}
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/*
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[Benchmark]
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public long Crc32ChunkedUpdate()
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{
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var crc32 = new ICSharpCode.SharpZipLib.Checksum.Crc32();
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for (int i = 0; i < ChunkCount; i++)
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{
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var segment = new ArraySegment<byte>(data, ChunkSize * i, ChunkSize);
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crc32.Update(segment);
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}
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return crc32.Value;
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}
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*/
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}
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}

‎benchmark/ICSharpCode.SharpZipLib.Benchmark/ICSharpCode.SharpZipLib.Benchmark.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFrameworks>netcoreapp2.1;net461</TargetFrameworks>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="BenchmarkDotNet">
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<Version>0.11.4</Version>
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</PackageReference>
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\src\ICSharpCode.SharpZipLib\ICSharpCode.SharpZipLib.csproj" />
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</ItemGroup>
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</Project>

‎benchmark/ICSharpCode.SharpZipLib.Benchmark/Program.cs‎

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using System;
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using BenchmarkDotNet;
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using BenchmarkDotNet.Configs;
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using BenchmarkDotNet.Jobs;
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using BenchmarkDotNet.Running;
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using BenchmarkDotNet.Toolchains.CsProj;
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namespace ICSharpCode.SharpZipLib.Benchmark
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{
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public class MultipleRuntimes : ManualConfig
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{
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public MultipleRuntimes()
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{
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Add(Job.Default.With(CsProjClassicNetToolchain.Net461).AsBaseline()); // NET 4.6.1
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Add(Job.Default.With(CsProjCoreToolchain.NetCoreApp21)); // .NET Core 2.1
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//Add(Job.Default.With(CsProjCoreToolchain.NetCoreApp30)); // .NET Core 3.0
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}
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}
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class Program
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{
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static void Main(string[] args)
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{
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BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args);
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}
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}
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}

‎benchmark/ICSharpCode.SharpZipLib.Benchmark/Zip/ZipInputStream.cs‎

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using System;
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using System.IO;
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using BenchmarkDotNet.Attributes;
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namespace ICSharpCode.SharpZipLib.Benchmark.Zip
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{
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[Config(typeof(MultipleRuntimes))]
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public class ZipInputStream
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{
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private const int ChunkCount = 64;
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private const int ChunkSize = 1024 * 1024;
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private const int N = ChunkCount * ChunkSize;
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byte[] zippedData;
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public ZipInputStream()
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{
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using (var memoryStream = new MemoryStream())
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{
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using (var zipOutputStream = new SharpZipLib.Zip.ZipOutputStream(memoryStream))
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{
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zipOutputStream.PutNextEntry(new SharpZipLib.Zip.ZipEntry("0"));
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var inputBuffer = new byte[ChunkSize];
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for (int i = 0; i < ChunkCount; i++)
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{
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zipOutputStream.Write(inputBuffer, 0, inputBuffer.Length);
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}
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}
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zippedData = memoryStream.ToArray();
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}
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}
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[Benchmark]
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public long ReadZipInputStream()
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{
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using (var memoryStream = new MemoryStream(zippedData))
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{
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using (var zipInputStream = new SharpZipLib.Zip.ZipInputStream(memoryStream))
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{
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var buffer = new byte[4096];
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var entry = zipInputStream.GetNextEntry();
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while (zipInputStream.Read(buffer, 0, buffer.Length) > 0)
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{
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}
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return entry.Size;
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}
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}
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}
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}
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}

‎benchmark/ICSharpCode.SharpZipLib.Benchmark/Zip/ZipOutputStream.cs‎

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using System;
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using System.IO;
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using BenchmarkDotNet.Attributes;
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namespace ICSharpCode.SharpZipLib.Benchmark.Zip
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{
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[Config(typeof(MultipleRuntimes))]
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public class ZipOutputStream
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{
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private const int ChunkCount = 64;
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private const int ChunkSize = 1024 * 1024;
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private const int N = ChunkCount * ChunkSize;
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byte[] outputBuffer;
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byte[] inputBuffer;
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public ZipOutputStream()
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{
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inputBuffer = new byte[ChunkSize];
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outputBuffer = new byte[N];
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}
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[Benchmark]
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public long WriteZipOutputStream()
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{
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using (var memoryStream = new MemoryStream(outputBuffer))
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{
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var zipOutputStream = new SharpZipLib.Zip.ZipOutputStream(memoryStream);
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zipOutputStream.PutNextEntry(new SharpZipLib.Zip.ZipEntry("0"));
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for (int i = 0; i < ChunkCount; i++)
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{
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zipOutputStream.Write(inputBuffer, 0, inputBuffer.Length);
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}
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return memoryStream.Position;
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}
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}
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}
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}

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