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LeeCampbellLeeCampbell
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Merge pull request #28 from LeeCampbell/Benchmark
Benchmarks
2 parents a246fa2 + 17efb0d commit 81e0fdb

20 files changed

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‎src/HdrHistogram.Benchmarking/App.config‎

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<?xml version="1.0" encoding="utf-8"?>
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<configuration>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
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</startup>
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<runtime>
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<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
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<dependentAssembly>
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<assemblyIdentity name="BenchmarkDotNet" publicKeyToken="aa0ca2f9092cefc4" culture="neutral" />
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<bindingRedirect oldVersion="0.0.0.0-0.9.7.0" newVersion="0.9.7.0" />
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</dependentAssembly>
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</assemblyBinding>
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</runtime>
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</configuration>

‎src/HdrHistogram.Benchmarking/ExhuastiveJobWithMemoryDiagnosisConfig.cs‎

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using System.Linq;
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using BenchmarkDotNet.Configs;
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using BenchmarkDotNet.Diagnostics.Windows;
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using BenchmarkDotNet.Jobs;
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namespace HdrHistogram.Benchmarking
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{
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public class ExhuastiveJobWithMemoryDiagnosisConfig : ManualConfig
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{
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public ExhuastiveJobWithMemoryDiagnosisConfig()
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{
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Add(new MemoryDiagnoser());
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var crossProduct = from jitter in new[] {Jit.LegacyJit, Jit.RyuJit}
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from platform in new[] {/*Platform.AnyCpu,*/ Platform.X64, Platform.X86}
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//Lets not test old/unsupported frameworks.
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from framework in new[] { /*Framework.V40, Framework.V45, Framework.V451, Framework.V452, Framework.V46, Framework.V461,*/ Framework.V462 }
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//from toolchain in new[] {Toolchain.}
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//Currently the project doesn't support Core or Mono
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from runtime in new[] {Runtime.Clr, /*Runtime.Core , Runtime.Mono*/}
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//where !(runtime == Runtime.Core && (jitter == Jit.LegacyJit || platform!=Platform.X64))
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select new Job()
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{
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Jit = jitter,
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Platform = platform,
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Framework = framework,
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Runtime = runtime
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};
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Add(crossProduct.ToArray());
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}
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}
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}

‎src/HdrHistogram.Benchmarking/HdrHistogram.Benchmarking.csproj‎

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{8AAE86BE-5ABC-4902-B48B-20DCDBB93C7B}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>HdrHistogram.Benchmarking</RootNamespace>
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<AssemblyName>HdrHistogram.Benchmarking</AssemblyName>
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<TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
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<NuGetPackageImportStamp>
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</NuGetPackageImportStamp>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="BenchmarkDotNet, Version=0.9.7.0, Culture=neutral, PublicKeyToken=aa0ca2f9092cefc4, processorArchitecture=MSIL">
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<HintPath>..\packages\BenchmarkDotNet.0.9.7-beta\lib\net40\BenchmarkDotNet.dll</HintPath>
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<Private>True</Private>
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</Reference>
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<Reference Include="BenchmarkDotNet.Diagnostics.Windows, Version=0.9.6.0, Culture=neutral, PublicKeyToken=aa0ca2f9092cefc4, processorArchitecture=MSIL">
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<HintPath>..\packages\BenchmarkDotNet.Diagnostics.Windows.0.9.6\lib\net40\BenchmarkDotNet.Diagnostics.Windows.dll</HintPath>
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<Private>True</Private>
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</Reference>
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<Reference Include="Microsoft.Diagnostics.Tracing.TraceEvent, Version=1.0.41.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\Microsoft.Diagnostics.Tracing.TraceEvent.1.0.41\lib\net40\Microsoft.Diagnostics.Tracing.TraceEvent.dll</HintPath>
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<Private>True</Private>
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</Reference>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Management" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="..\HdrHistogram\Utilities\Bitwise.cs">
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<Link>LeadingZeroCount\Bitwise.cs</Link>
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</Compile>
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<Compile Include="ExhuastiveJobWithMemoryDiagnosisConfig.cs" />
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<Compile Include="LeadingZeroCount\DeBruijn128Bits.cs" />
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<Compile Include="LeadingZeroCount\DeBruijn64Bits.cs" />
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<Compile Include="LeadingZeroCount\IfAndShift.cs" />
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<Compile Include="LeadingZeroCount\LeadingZeroCount32BitBenchmark.cs" />
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<Compile Include="LeadingZeroCount\LeadingZeroCount64BitBenchmark.cs" />
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<Compile Include="LeadingZeroCount\LeadingZeroCountBenchmarkBase.cs" />
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<Compile Include="LeadingZeroCount\Magic32Bit.cs" />
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<Compile Include="LeadingZeroCount\MathLog.cs" />
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<Compile Include="LeadingZeroCount\StringManipulation.cs" />
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="Recording\Recording32BitBenchmark.cs" />
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<Compile Include="WithMemoryDiagnosisConfig.cs" />
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</ItemGroup>
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<ItemGroup>
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<None Include="App.config" />
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<None Include="packages.config" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\HdrHistogram\HdrHistogram.csproj">
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<Project>{655d9c4c-5bbd-4494-9828-ae427a1ddd01}</Project>
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<Name>HdrHistogram</Name>
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</ProjectReference>
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<Import Project="..\packages\Microsoft.Diagnostics.Tracing.TraceEvent.1.0.41\build\Microsoft.Diagnostics.Tracing.TraceEvent.targets" Condition="Exists('..\packages\Microsoft.Diagnostics.Tracing.TraceEvent.1.0.41\build\Microsoft.Diagnostics.Tracing.TraceEvent.targets')" />
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<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
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<PropertyGroup>
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<ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
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</PropertyGroup>
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<Error Condition="!Exists('..\packages\Microsoft.Diagnostics.Tracing.TraceEvent.1.0.41\build\Microsoft.Diagnostics.Tracing.TraceEvent.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Diagnostics.Tracing.TraceEvent.1.0.41\build\Microsoft.Diagnostics.Tracing.TraceEvent.targets'))" />
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</Target>
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>

‎src/HdrHistogram.Benchmarking/LeadingZeroCount/DeBruijn128Bits.cs‎

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namespace HdrHistogram.Benchmarking.LeadingZeroCount
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{
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public static class DeBruijn128Bits
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{
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private static readonly int[] BitPatternToLog2 = new int[128] {
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0, // change to 1 if you want bitSize(0) = 1
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48, -1, -1, 31, -1, 15, 51, -1, 63, 5, -1, -1, -1, 19, -1,
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23, 28, -1, -1, -1, 40, 36, 46, -1, 13, -1, -1, -1, 34, -1, 58,
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-1, 60, 2, 43, 55, -1, -1, -1, 50, 62, 4, -1, 18, 27, -1, 39,
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45, -1, -1, 33, 57, -1, 1, 54, -1, 49, -1, 17, -1, -1, 32, -1,
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53, -1, 16, -1, -1, 52, -1, -1, -1, 64, 6, 7, 8, -1, 9, -1,
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-1, -1, 20, 10, -1, -1, 24, -1, 29, -1, -1, 21, -1, 11, -1, -1,
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41, -1, 25, 37, -1, 47, -1, 30, 14, -1, -1, -1, -1, 22, -1, -1,
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35, 12, -1, -1, -1, 59, 42, -1, -1, 61, 3, 26, 38, 44, -1, 56
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};
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private const ulong Multiplicator = 0x6c04f118e9966f6bUL;
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private static int BitSize(ulong v)
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{
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v |= v >> 1;
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v |= v >> 2;
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v |= v >> 4;
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v |= v >> 8;
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v |= v >> 16;
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v |= v >> 32;
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return BitPatternToLog2[(ulong)(v * Multiplicator) >> 57];
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}
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public static int GetLeadingZeroCount(long value)
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{
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return 64 - BitSize((ulong)value);
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}
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}
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}

‎src/HdrHistogram.Benchmarking/LeadingZeroCount/DeBruijn64Bits.cs‎

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namespace HdrHistogram.Benchmarking.LeadingZeroCount
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{
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public static class DeBruijn64Bits
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{
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private static readonly int[] BitPatternToLog2 = new int[64] {
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0, // change to 1 if you want bitSize(0) = 1
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1, 2, 53, 3, 7, 54, 27, 4, 38, 41, 8, 34, 55, 48, 28,
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62, 5, 39, 46, 44, 42, 22, 9, 24, 35, 59, 56, 49, 18, 29, 11,
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63, 52, 6, 26, 37, 40, 33, 47, 61, 45, 43, 21, 23, 58, 17, 10,
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51, 25, 36, 32, 60, 20, 57, 16, 50, 31, 19, 15, 30, 14, 13, 12
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}; // table taken from http://chessprogramming.wikispaces.com/De+Bruijn+Sequence+Generator
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private const ulong Multiplicator = 0x022fdd63cc95386dUL;
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private static int BitSize(ulong v)
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{
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v |= v >> 1;
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v |= v >> 2;
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v |= v >> 4;
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v |= v >> 8;
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v |= v >> 16;
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v |= v >> 32;
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// at this point you could also use popcount to find the number of set bits.
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// That might well be faster than a lookup table because you prevent a
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// potential cache miss
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if (v == unchecked((ulong)-1)) return 64;
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v++;
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return BitPatternToLog2[(ulong)(v * Multiplicator) >> 58];
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}
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public static int GetLeadingZeroCount(long value)
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{
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return 64 - BitSize((ulong)value);
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}
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}
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public static class DeBruijn64BitsBitScanner
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{
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private const ulong Magic = 0x37E84A99DAE458F;
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private static readonly int[] MagicTable =
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{
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0, 1, 17, 2, 18, 50, 3, 57,
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47, 19, 22, 51, 29, 4, 33, 58,
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15, 48, 20, 27, 25, 23, 52, 41,
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54, 30, 38, 5, 43, 34, 59, 8,
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63, 16, 49, 56, 46, 21, 28, 32,
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14, 26, 24, 40, 53, 37, 42, 7,
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62, 55, 45, 31, 13, 39, 36, 6,
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61, 44, 12, 35, 60, 11, 10, 9,
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};
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public static int BitScanForward(ulong b)
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{
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return MagicTable[((ulong)((long)b & -(long)b) * Magic) >> 58];
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}
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private static int BitScanReverse(ulong b)
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{
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b |= b >> 1;
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b |= b >> 2;
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b |= b >> 4;
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b |= b >> 8;
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b |= b >> 16;
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b |= b >> 32;
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b = b & ~(b >> 1);
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return MagicTable[b * Magic >> 58];
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}
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public static int GetLeadingZeroCount(long value)
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{
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return 63 ^ BitScanReverse((ulong)value);
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}
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}
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//https://chessprogramming.wikispaces.com/BitScan
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public static class DeBruijnMultiplication
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{
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private static readonly int[] Index64 = new int[64] {
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0, 47, 1, 56, 48, 27, 2, 60,
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57, 49, 41, 37, 28, 16, 3, 61,
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54, 58, 35, 52, 50, 42, 21, 44,
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38, 32, 29, 23, 17, 11, 4, 62,
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46, 55, 26, 59, 40, 36, 15, 53,
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34, 51, 20, 43, 31, 22, 10, 45,
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25, 39, 14, 33, 19, 30, 9, 24,
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13, 18, 8, 12, 7, 6, 5, 63
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};
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/**
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* bitScanReverse
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* @authors Kim Walisch, Mark Dickinson
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* @param bb bitboard to scan
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* @precondition bb != 0
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* @return index (0..63) of most significant one bit
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*/
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private static int BitScanReverse(ulong bb)
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{
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const ulong debruijn64 = (0x03f79d71b4cb0a89);
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//assert(bb != 0);
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bb |= bb >> 1;
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bb |= bb >> 2;
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bb |= bb >> 4;
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bb |= bb >> 8;
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bb |= bb >> 16;
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bb |= bb >> 32;
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return Index64[(bb * debruijn64) >> 58];
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}
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public static int GetLeadingZeroCount(long value)
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{
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return 63 ^ BitScanReverse((ulong)value);
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}
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}
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}

‎src/HdrHistogram.Benchmarking/LeadingZeroCount/IfAndShift.cs‎

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namespace HdrHistogram.Benchmarking.LeadingZeroCount
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{
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//Can we optimise this impl for value between 1->long.max
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// i.e. not 0, not -ve and not values over 2^63 (ulong)
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public static class IfAndShift
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{
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public static int GetLeadingZeroCount(long input)
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{
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return (int) CountLeadingZeros((ulong) input);
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}
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//http://stackoverflow.com/questions/31374628/fast-way-of-finding-most-and-least-significant-bit-set-in-a-64-bit-integer?lq=1
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public static ulong CountLeadingZeros(ulong input)
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{
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if (input == 0) return 64;
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ulong n = 1;
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if ((input >> 32) == 0) { n = n + 32; input = input << 32; }
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if ((input >> 48) == 0) { n = n + 16; input = input << 16; }
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if ((input >> 56) == 0) { n = n + 8; input = input << 8; }
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if ((input >> 60) == 0) { n = n + 4; input = input << 4; }
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if ((input >> 62) == 0) { n = n + 2; input = input << 2; }
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n = n - (input >> 63);
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return n;
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}
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}
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}

‎src/HdrHistogram.Benchmarking/LeadingZeroCount/LeadingZeroCount32BitBenchmark.cs‎

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namespace HdrHistogram.Benchmarking.LeadingZeroCount
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{
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public class LeadingZeroCount32BitBenchmark : LeadingZeroCountBenchmarkBase
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{
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public LeadingZeroCount32BitBenchmark()
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: base(32)
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{
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}
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}
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}

‎src/HdrHistogram.Benchmarking/LeadingZeroCount/LeadingZeroCount64BitBenchmark.cs‎

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namespace HdrHistogram.Benchmarking.LeadingZeroCount
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{
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public class LeadingZeroCount64BitBenchmark : LeadingZeroCountBenchmarkBase
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{
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public LeadingZeroCount64BitBenchmark()
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:base(64)
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{
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}
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}
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}

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