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AlgorithmsAreCoolAlgorithmsAreCool
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Add very basic benchmarks
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4 files changed

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4 files changed

+164
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‎Lightning.Net.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 = 15.0.26228.4
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.30204.135
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LightningDB", "src\LightningDB\LightningDB.csproj", "{C864E62B-5C53-479C-9A6F-6D086E1EC3DF}"
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LightningDB.Tests", "src\LightningDB.Tests\LightningDB.Tests.csproj", "{3A8F29FB-1110-4755-9700-4EB064BB463E}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecondProcess", "src\SecondProcess\SecondProcess.csproj", "{9621DE3C-6C1A-484F-8DE7-C8F4D6F71EA9}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SecondProcess", "src\SecondProcess\SecondProcess.csproj", "{9621DE3C-6C1A-484F-8DE7-C8F4D6F71EA9}"
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LightningDB.Benchmarks", "src\LightningDB.Benchmarks\LightningDB.Benchmarks.csproj", "{C28814DF-2BC4-4F0A-AF13-86B8B0CB68C6}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -27,8 +29,15 @@ Global
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{9621DE3C-6C1A-484F-8DE7-C8F4D6F71EA9}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{9621DE3C-6C1A-484F-8DE7-C8F4D6F71EA9}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{9621DE3C-6C1A-484F-8DE7-C8F4D6F71EA9}.Release|Any CPU.Build.0 = Release|Any CPU
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{C28814DF-2BC4-4F0A-AF13-86B8B0CB68C6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{C28814DF-2BC4-4F0A-AF13-86B8B0CB68C6}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{C28814DF-2BC4-4F0A-AF13-86B8B0CB68C6}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{C28814DF-2BC4-4F0A-AF13-86B8B0CB68C6}.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 = {A9864EE9-A41B-4A4D-9CE9-595A2779AB44}
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EndGlobalSection
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EndGlobal

‎src/LightningDB.Benchmarks/Benchmarks.cs

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using System;
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using System.Collections.Generic;
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using System.Dynamic;
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using System.IO;
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using System.Runtime.InteropServices;
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using BenchmarkDotNet;
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using BenchmarkDotNet.Attributes;
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using LightningDB;
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using Microsoft.CodeAnalysis.CSharp.Syntax;
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namespace LightningDB.Benchmarks
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{
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public abstract class BenchmarksBase
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{
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public LightningEnvironment Env { get; set; }
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public LightningDatabase DB { get; set; }
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[GlobalSetup]
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public void GlobalSetup()
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{
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const string Path = "TestDirectory";
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if (Directory.Exists(Path))
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Directory.Delete(Path, true);
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Env = new LightningEnvironment(Path) {
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MaxDatabases = 1
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};
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Env.Open();
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using var tx = Env.BeginTransaction();
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DB = tx.OpenDatabase();
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RunSetup();
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}
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public abstract void RunSetup();
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[GlobalCleanup]
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public void GlobalCleanup()
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{
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DB.Dispose();
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Env.Dispose();
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}
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}
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[MemoryDiagnoser]
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public class WriteBenchmarks : BenchmarksBase
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{
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[Params(1, 10, 100)]
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public int BatchSize { get; set; }
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[Params(4, 8, 64, 256)]
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public int WriteSize { get; set; }
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//[Params(true, false)]
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[Params(true)]
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public bool SequentialKeys { get; set; }
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public byte[] ValueBuffer { get; set; }
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public byte[][] KeyBuffers { get; set; }
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public override void RunSetup()
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{
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ValueBuffer = new byte[WriteSize];
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KeyBuffers = new byte[BatchSize][];
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if(SequentialKeys) {
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for(int i = 0; i < BatchSize; i++) {
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var key = new byte[4];
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MemoryMarshal.Write(key, ref i);
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KeyBuffers[i] = key;
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}
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}
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else {
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var random = new Random(0);
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var seen = new HashSet<int>(BatchSize);
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for (int i = 0; i < BatchSize;) {
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var keyValue = random.Next(0, BatchSize);
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if (seen.Add(keyValue)) {
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var key = new byte[4];
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MemoryMarshal.Write(key, ref keyValue);
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KeyBuffers[i++] = key;
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}
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else
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continue;
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}
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}
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}
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[Benchmark]
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public void Write()
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{
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using(var transaction = Env.BeginTransaction())
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{
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for (int i = 0; i < BatchSize; i++) {
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transaction.Put(DB, KeyBuffers[i], ValueBuffer);
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}
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}
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}
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}
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}

‎src/LightningDB.Benchmarks/LightningDB.Benchmarks.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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<TargetFramework>netcoreapp3.1</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="BenchmarkDotNet" Version="0.12.1" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\LightningDB\LightningDB.csproj" />
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</ItemGroup>
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<ItemGroup Condition=" '$(OS)' == 'Unix' ">
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<None Include="../LightningDB/runtimes/osx/native/lmdb.dylib" CopyToOutputDirectory="PreserveNewest" />
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</ItemGroup>
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<ItemGroup Condition=" '$(Platform)' == 'x86' AND '$(OS)' != 'Unix' ">
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<None Include="../LightningDB/runtimes/win-x86/native/lmdb.dll" CopyToOutputDirectory="PreserveNewest" />
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</ItemGroup>
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<ItemGroup Condition=" ('$(Platform)' == 'x64' OR '$(Platform)' == 'AnyCPU') AND '$(OS)' == 'Windows_NT' ">
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<None Include="../LightningDB/runtimes/win-x64/native/lmdb.dll" CopyToOutputDirectory="PreserveNewest" />
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</ItemGroup>
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</Project>

‎src/LightningDB.Benchmarks/Main.cs

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using System;
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using BenchmarkDotNet.Running;
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using BenchmarkDotNet.Toolchains;
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namespace LightningDB.Benchmarks {
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public static class Entry
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{
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public static void Main(string[] args)
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{
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BenchmarkRunner.Run<WriteBenchmarks>();
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}
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}
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}

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