Merge pull request #50266 from dotnet/safia/rdg-benchmarks

Add benchmarks for RDG

Author: captainsafia

src/Http/Http.Extensions/gen/Microsoft.AspNetCore.Http.RequestDelegateGenerator.csproj

@@ -17,6 +17,7 @@
 
   <ItemGroup>
     <InternalsVisibleTo Include="Microsoft.AspNetCore.Http.Extensions.Tests" />
+    <InternalsVisibleTo Include="Microsoft.AspNetCore.Http.Microbenchmarks" />
   </ItemGroup>
 
   <ItemGroup>

src/Http/Http/perf/Microbenchmarks/GlobalUsings.cs

@@ -0,0 +1,3 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+global using Xunit;

src/Http/Http/perf/Microbenchmarks/Microsoft.AspNetCore.Http.Microbenchmarks.csproj

@@ -6,13 +6,34 @@
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <RootNamespace>Microsoft.AspNetCore.Http</RootNamespace>
+    <PreserveCompilationContext>true</PreserveCompilationContext>
   </PropertyGroup>
 
   <ItemGroup>
     <Reference Include="BenchmarkDotNet" />
+    <Reference Include="Microsoft.AspNetCore" />
+    <Reference Include="Microsoft.AspNetCore.Testing" />
     <Reference Include="Microsoft.AspNetCore.Http" />
+    <Reference Include="Microsoft.AspNetCore.Http.Results" />
     <Reference Include="Microsoft.AspNetCore.Http.Extensions" />
-    <Compile Include="$(SharedSourceRoot)BenchmarkRunner\*.cs" />
+    <Reference Include="Microsoft.AspNetCore.Mvc.Core" />
+    <Reference Include="Microsoft.Extensions.DependencyInjection" />
+    <Reference Include="Microsoft.Extensions.DependencyModel" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" IsImplicitlyDefined="true" Version="$(MicrosoftCodeAnalysisVersion_LatestVS)" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" IsImplicitlyDefined="true" Version="$(MicrosoftCodeAnalysisVersion_LatestVS)" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Include="$(RepoRoot)src\Http\Http.Extensions\test\RequestDelegateGenerator\RequestDelegateCreationTestBase.cs" LinkBase="Shared" />
+    <Compile Include="$(RepoRoot)src\Http\Http.Extensions\test\RequestDelegateGenerator\SharedTypes.cs" LinkBase="Shared" />
+    <Compile Include="$(SharedSourceRoot)BenchmarkRunner\*.cs" LinkBase="Shared" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="$(RepoRoot)src\Http\Http.Extensions\gen\Microsoft.AspNetCore.Http.RequestDelegateGenerator.csproj" />
   </ItemGroup>
 
 </Project>

src/Http/Http/perf/Microbenchmarks/RequestDelegateGeneratorBenchmarks.cs

@@ -0,0 +1,32 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+using BenchmarkDotNet.Attributes;
+using Microsoft.AspNetCore.Http.Generators.Tests;
+
+namespace Microsoft.AspNetCore.Http.Microbenchmarks;
+
+public class RequestDelegateGeneratorBenchmarks : RequestDelegateCreationTestBase
+{
+    protected override bool IsGeneratorEnabled => true;
+
+    [Params(10, 100, 1000, 10000)]
+    public int EndpointCount { get; set; }
+
+    private string _source;
+
+    [GlobalSetup]
+    public void Setup()
+    {
+        _source = "";
+        for (var i = 0; i < EndpointCount; i++)
+        {
+            _source += $"""app.MapGet("/route{i}", (int? id) => "Hello World!");""";
+        }
+    }
+
+    [Benchmark]
+    public async Task CreateRequestDelegate()
+    {
+        await RunGeneratorAsync(_source);
+    }
+}