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@@ -287,3 +287,4 @@ __pycache__/ | |
| *.odx.cs | ||
| *.xsd.cs | ||
| dotCover.Output.xml | ||
| **/BenchmarkDotNet.Artifacts/ | ||
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17 changes: 17 additions & 0 deletions
17
benchmarks/DependencyScanningBenchmarks/DependencyScanningBenchmarks.csproj
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| @@ -0,0 +1,17 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net5.0</TargetFramework> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="BenchmarkDotNet" Version="0.12.1" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\Meziantou.Framework.DependencyScanning\Meziantou.Framework.DependencyScanning.csproj" /> | ||
| <ProjectReference Include="..\..\src\Meziantou.Framework.FullPath\Meziantou.Framework.FullPath.csproj" /> | ||
| </ItemGroup> | ||
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| </Project> |
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| @@ -0,0 +1,162 @@ | ||
| using System.Globalization; | ||
| using System.IO; | ||
| using System.Threading.Tasks; | ||
| using BenchmarkDotNet.Attributes; | ||
| using BenchmarkDotNet.Running; | ||
| using Meziantou.Framework; | ||
| using Meziantou.Framework.DependencyScanning; | ||
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| namespace DependencyScanningBenchmarks | ||
| { | ||
| [MemoryDiagnoser] | ||
| public class DependencyScannerBenchmark | ||
| { | ||
| private const int N = 100_000; | ||
| private static readonly FullPath s_directory = FullPath.GetTempPath() / "meziantou.framework" / "benchmarks" / "dependency_scanner_10_000"; | ||
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| [Params(1, 2, 4, 8, 16, 32)] | ||
| public int DegreeOfParallelism { get; set; } | ||
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| [GlobalSetup] | ||
| public static void Initialize() | ||
| { | ||
| Directory.CreateDirectory(s_directory); | ||
| var existingFiles = Directory.GetFiles(s_directory); | ||
| if (existingFiles.Length == N) | ||
| return; | ||
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| foreach (var file in existingFiles) | ||
| { | ||
| File.Delete(file); | ||
| } | ||
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| for (var i = 0; i < N; i++) | ||
| { | ||
| var extension = i switch | ||
| { | ||
| < 1000 => ".cs", | ||
| < 2000 => ".md", | ||
| < 3000 => ".vb", | ||
| < 4000 => ".js", | ||
| < 5000 => ".ts", | ||
| < 6000 => ".json", | ||
| < 7000 => ".csproj", | ||
| < 8000 => ".bin", | ||
| < 9000 => ".sln", | ||
| _ => ".txt", | ||
| }; | ||
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| using var stream = File.Create(s_directory / ("file" + i.ToString("00000", CultureInfo.InvariantCulture) + extension)); | ||
| } | ||
| } | ||
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| [Benchmark] | ||
| public void MatchNoneChannel() | ||
| { | ||
| var options = new ScannerOptions | ||
| { | ||
| Scanners = new[] { new DummyScannerNeverMatch() }, | ||
| RecurseSubdirectories = true, | ||
| }; | ||
| GetDependenciesChannel(options).Wait(); | ||
| } | ||
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| [Benchmark] | ||
| public void MatchAllChannel() | ||
| { | ||
| var options = new ScannerOptions | ||
| { | ||
| Scanners = new[] { new DummyScanner() }, | ||
| RecurseSubdirectories = true, | ||
| }; | ||
| GetDependenciesChannel(options).Wait(); | ||
| } | ||
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| [Benchmark] | ||
| public void DefaultScannersChannel() | ||
| { | ||
| var options = new ScannerOptions | ||
| { | ||
| RecurseSubdirectories = true, | ||
| }; | ||
| GetDependenciesChannel(options).Wait(); | ||
| } | ||
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| [Benchmark] | ||
| public void MatchNoneForEach() | ||
| { | ||
| var options = new ScannerOptions | ||
| { | ||
| Scanners = new[] { new DummyScannerNeverMatch() }, | ||
| RecurseSubdirectories = true, | ||
| }; | ||
| GetDependenciesForEach(options).Wait(); | ||
| } | ||
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| [Benchmark] | ||
| public void MatchAllForEach() | ||
| { | ||
| var options = new ScannerOptions | ||
| { | ||
| Scanners = new[] { new DummyScanner() }, | ||
| RecurseSubdirectories = true, | ||
| }; | ||
| GetDependenciesForEach(options).Wait(); | ||
| } | ||
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| [Benchmark] | ||
| public void DefaultScannersForEach() | ||
| { | ||
| var options = new ScannerOptions | ||
| { | ||
| RecurseSubdirectories = true, | ||
| }; | ||
| GetDependenciesForEach(options).Wait(); | ||
| } | ||
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| private async Task GetDependenciesChannel(ScannerOptions options) | ||
| { | ||
| options.DegreeOfParallelism = DegreeOfParallelism; | ||
| await DependencyScanner.ScanDirectoryAsync(s_directory, options, _ => new ValueTask()); | ||
| } | ||
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| private async Task GetDependenciesForEach(ScannerOptions options) | ||
| { | ||
| options.DegreeOfParallelism = DegreeOfParallelism; | ||
| await foreach (var _ in DependencyScanner.ScanDirectoryAsync(s_directory, options)) | ||
| { | ||
| } | ||
| } | ||
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| private sealed class DummyScanner : DependencyScanner | ||
| { | ||
| internal static readonly Dependency Dependency = new Dependency("", "", DependencyType.Unknown, new TextLocation("", 1, 1, 1)); | ||
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| public override ValueTask ScanAsync(ScanFileContext context) | ||
| { | ||
| return context.ReportDependency(Dependency); | ||
| } | ||
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| public override bool ShouldScanFile(CandidateFileContext file) => true; | ||
| } | ||
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| private sealed class DummyScannerNeverMatch : DependencyScanner | ||
| { | ||
| public override ValueTask ScanAsync(ScanFileContext context) | ||
| { | ||
| return context.ReportDependency(new Dependency("", "", DependencyType.Unknown, new TextLocation(context.FullPath, 1, 1, 1))); | ||
| } | ||
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| public override bool ShouldScanFile(CandidateFileContext file) => false; | ||
| } | ||
| } | ||
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| internal static class Program | ||
| { | ||
| private static void Main() | ||
| { | ||
| BenchmarkRunner.Run<DependencyScannerBenchmark>(); | ||
| } | ||
| } | ||
| } |
6 changes: 6 additions & 0 deletions
6
src/Meziantou.Framework.DependencyScanning/DependencyFound.cs
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,6 @@ | ||
| using System.Threading.Tasks; | ||
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| namespace Meziantou.Framework.DependencyScanning | ||
| { | ||
| public delegate ValueTask DependencyFound(Dependency dependency); | ||
| } |
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