Add CommunityToolkit.Maui.SourceGenerator.Benchmarks, Reduce Memory Allocations on [BindableProperty] Source Generator

.github/workflows/benchmarks.yml

@@ -14,7 +14,8 @@ on:
 
 env:
     LATEST_NET_VERSION: '10.0.x'
-    PathToCommunityToolkitAnalyzersBenchmarkCsproj: 'src/CommunityToolkit.Maui.Analyzers.Benchmarks/CommunityToolkit.Maui.Analyzers.Benchmarks.csproj'
+    PathToCommunityToolkitAnalyzersBenchmarksCsproj: 'src/CommunityToolkit.Maui.Analyzers.Benchmarks/CommunityToolkit.Maui.Analyzers.Benchmarks.csproj'
+    PathToCommunityToolkitSourceGeneratorsBenchmarksCsproj: 'src/CommunityToolkit.Maui.SourceGenerators.Benchmarks/CommunityToolkit.Maui.SourceGenerators.Benchmarks.csproj'
 
 concurrency:
     group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
@@ -23,21 +24,11 @@ concurrency:
 jobs:
     run_benchmarks:
         name: Run Benchmarks
-        runs-on: ${{ matrix.os }}
-        strategy:
-            fail-fast: false
-            matrix:
-                os: [ windows-latest, macos-26 ]
-
+        runs-on: windows-latest            
         steps:
             -   name: Checkout code
                 uses: actions/checkout@main
 
-            -   uses: maxim-lobanov/setup-xcode@v1
-                if: runner.os == 'macOS'
-                with:
-                    xcode-version: latest-stable
-
             -   name: Install Latest Version of .NET, v${{ env.LATEST_NET_VERSION }}
                 uses: actions/setup-dotnet@v5
                 with:
@@ -58,11 +49,13 @@ jobs:
             -   name: Display dotnet info
                 run: dotnet --info
 
-            -   name: Run Benchmarks
-                run: dotnet run --project ${{ env.PathToCommunityToolkitAnalyzersBenchmarkCsproj }} -c Release -- -a ${{ runner.temp }}
+            -   name: Run Analyzer Benchmarks
+                run: dotnet run --project ${{ env.PathToCommunityToolkitAnalyzersBenchmarksCsproj }} -c Release -- -a "${{ runner.temp }}"
+
+            -   name: Run Source Generator Benchmarks
+                run: dotnet run --project ${{ env.PathToCommunityToolkitSourceGeneratorsBenchmarksCsproj }} -c Release -- -a "${{ runner.temp }}"
 
             -   name: Publish Benchmarks
-                if: runner.os == 'Windows'
                 uses: actions/upload-artifact@v5
                 with:
                     name: Benchmarks

samples/CommunityToolkit.Maui.Sample.slnx

@@ -11,6 +11,7 @@
   </Folder>
   <Folder Name="/Benchmarks/">
     <Project Path="../src/CommunityToolkit.Maui.Analyzers.Benchmarks/CommunityToolkit.Maui.Analyzers.Benchmarks.csproj" />
+    <Project Path="../src/CommunityToolkit.Maui.SourceGenerators.Benchmarks/CommunityToolkit.Maui.SourceGenerators.Benchmarks.csproj" Id="cc195bb1-9cac-410e-81fe-23665f99f294" />
   </Folder>
   <Folder Name="/Samples/">
     <Project Path="CommunityToolkit.Maui.Sample/CommunityToolkit.Maui.Sample.csproj">

src/CommunityToolkit.Maui.SourceGenerators.Benchmarks/BindablePropertyAttributeSourceGeneratorBenchmarks.cs

@@ -0,0 +1,40 @@
+using BenchmarkDotNet.Attributes;
+using CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests.BindablePropertyAttributeSourceGeneratorTests;
+
+namespace CommunityToolkit.Maui.SourceGenerators.Benchmarks;
+
+[MemoryDiagnoser]
+public class BindablePropertyAttributeSourceGeneratorBenchmarks
+{
+	static readonly CommonUsageTests commonUsageTests = new();
+	static readonly EdgeCaseTests edgeCaseTests = new();
+	static readonly IntegrationTests integrationTests = new();
+
+	[Benchmark]
+	public Task GenerateBindableProperty_SimpleExample_GeneratesCorrectCode()
+		=> commonUsageTests.GenerateBindableProperty_SimpleExample_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateBindableProperty_MultipleProperties_GeneratesCorrectCode()
+		=> commonUsageTests.GenerateBindableProperty_MultipleProperties_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateBindableProperty_WithAllParameters_GeneratesCorrectCode()
+		=> commonUsageTests.GenerateBindableProperty_WithAllParameters_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateBindableProperty_InternalClass_GeneratesCorrectCode()
+		=> commonUsageTests.GenerateBindableProperty_InternalClass_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateBindableProperty_ComplexInheritanceScenario_GeneratesCorrectCode()
+		=> integrationTests.GenerateBindableProperty_ComplexInheritanceScenario_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateBindableProperty_NestedClass_GeneratesCorrectCode()
+		=> integrationTests.GenerateBindableProperty_NestedClass_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateBindableProperty_WithComplexDefaultValues_GeneratesCorrectCode()
+		=> edgeCaseTests.GenerateBindableProperty_WithComplexDefaultValues_GeneratesCorrectCode();
+}

src/CommunityToolkit.Maui.SourceGenerators.Benchmarks/CommunityToolkit.Maui.SourceGenerators.Benchmarks.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>$(NetVersion)</TargetFramework>
+    <OutputType>Exe</OutputType>
+    <StartupObject>CommunityToolkit.Maui.SourceGenerators.Benchmarks.Program</StartupObject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.15.7" />
+
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests\CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests.csproj" />
+    <ProjectReference Include="..\CommunityToolkit.Maui.SourceGenerators\CommunityToolkit.Maui.SourceGenerators.csproj" />
+  </ItemGroup>
+</Project>

src/CommunityToolkit.Maui.SourceGenerators.Benchmarks/Program.cs

@@ -0,0 +1,13 @@
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Running;
+
+namespace CommunityToolkit.Maui.SourceGenerators.Benchmarks;
+
+class Program
+{
+	public static void Main(string[] args)
+	{
+		var config = DefaultConfig.Instance;
+		BenchmarkRunner.Run<BindablePropertyAttributeSourceGeneratorBenchmarks>(config, args);
+	}
+}

src/CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests/BindablePropertyAttributeSourceGeneratorTests/BindablePropertyAttributeSourceGeneratorTests.cs → src/CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests/BindablePropertyAttributeSourceGeneratorTests/CommonUsageTests.cs

@@ -2,7 +2,7 @@
 
 namespace CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests.BindablePropertyAttributeSourceGeneratorTests;
 
-public class BindablePropertyAttributeSourceGeneratorTests : BaseBindablePropertyAttributeSourceGeneratorTest
+public class CommonUsageTests : BaseBindablePropertyAttributeSourceGeneratorTest
 {
 	[Fact]
 	public async Task GenerateBindableProperty_SimpleExample_GeneratesCorrectCode()