Continuous benchmarking

.github/workflows/benchmarks.yml

@@ -0,0 +1,45 @@
+name: Continuous benchmarking
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+
+permissions:
+  contents: write
+  deployments: write
+
+jobs:
+  benchmark:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup .NET SDK
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 8.0.x
+
+      - name: Run benchmarks
+        working-directory: src/Benchmarks
+        run: dotnet run -c Release --exporters json --filter '*'
+
+      - name: Combine benchmarks results
+        working-directory: src/Benchmarks
+        run: dotnet tool install -g dotnet-script && dotnet script combine-bechmarks.csx
+
+      - name: Store benchmarks results
+        uses: benchmark-action/github-action-benchmark@v1
+        with:
+          name: SteroidsDI Benchmarks
+          tool: 'benchmarkdotnet'
+          output-file-path: src/Benchmarks/BenchmarkDotNet.Artifacts/results/Combined.Benchmarks.json
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          alert-threshold: '101%'
+          comment-on-alert: true
+          fail-on-alert: true
+      - name: Push benchmarks results
+        if: github.event_name != 'pull_request'
+        run: git push 'https://sungam3r:${{ secrets.GITHUB_TOKEN }}@github.com/sungam3r/SteroidsDI.git' gh-pages:gh-pages

README.md

@@ -430,3 +430,7 @@ await using (new Scoped<SomeClass>(scopeFactory)) // Scoped class supports IAsyn
 
 Also see [ScopedTestBase](src/SteroidsDI.Tests/Cases/ScopedTestBase.cs) and [ScopedTestDerived](src/SteroidsDI.Tests/Cases/ScopedTestDerived.cs)
 for more info. This example shows how you can add scope support to all unit tests.
+
+## Benchmarks
+
+The results are available [here](https://sungam3r.github.io/SteroidsDI/dev/bench/).

src/Benchmarks/Benchmarks.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <NoWarn>$(NoWarn);1591</NoWarn>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" Version="0.13.12" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\SteroidsDI.AspNetCore\SteroidsDI.AspNetCore.csproj" />
+    <ProjectReference Include="..\SteroidsDI\SteroidsDI.csproj" />
+  </ItemGroup>
+
+</Project>

src/Benchmarks/DeferBenchmarks.cs

@@ -0,0 +1,40 @@
+using BenchmarkDotNet.Attributes;
+using Microsoft.Extensions.DependencyInjection;
+using SteroidsDI;
+
+namespace Benchmarks;
+
+public class DeferBenchmarks
+{
+    private sealed class Dependency
+    {
+    }
+
+    private IServiceProvider _provider = null!;
+
+    [GlobalSetup]
+    public void Setup()
+    {
+        var services = new ServiceCollection();
+        services
+            .Configure<ServiceProviderAdvancedOptions>(opt => opt.AllowRootProviderResolve = true)
+            .AddSingleton<Dependency>()
+            .AddDefer();
+
+        _provider = services.BuildServiceProvider();
+    }
+
+    [Benchmark]
+    public void ResolveDefer()
+    {
+        var defer = _provider.GetRequiredService<Defer<Dependency>>();
+        _ = defer.Value;
+    }
+
+    [Benchmark]
+    public void ResolveIDefer()
+    {
+        var defer = _provider.GetRequiredService<IDefer<Dependency>>();
+        _ = defer.Value;
+    }
+}

src/Benchmarks/Program.cs

@@ -0,0 +1,11 @@
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Diagnosers;
+using BenchmarkDotNet.Running;
+using Benchmarks;
+
+new DeferBenchmarks().Setup();
+var config = ManualConfig
+  .Create(DefaultConfig.Instance)
+  .AddDiagnoser(MemoryDiagnoser.Default);
+
+BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args, config);

src/Benchmarks/combine-bechmarks.csx

@@ -0,0 +1,43 @@
+using System.IO;
+using System.Linq;
+using System.Text.Json.Nodes;
+
+string resultsDir = "./BenchmarkDotNet.Artifacts/results";
+string resultsFile = "Combined.Benchmarks";
+string searchPattern = "*-report-full-compressed.json";
+
+var resultsPath = Path.Combine(resultsDir, resultsFile + ".json");
+
+if (!Directory.Exists(resultsDir))
+{
+    throw new DirectoryNotFoundException($"Directory not found '{resultsDir}'");
+}
+
+if (File.Exists(resultsPath))
+{
+    File.Delete(resultsPath);
+}
+
+var reports = Directory.GetFiles(resultsDir, searchPattern, SearchOption.TopDirectoryOnly).ToArray();
+if (!reports.Any())
+{
+    throw new FileNotFoundException($"Reports not found '{searchPattern}'");
+}
+
+var combinedReport = JsonNode.Parse(File.ReadAllText(reports.First()))!;
+var title = combinedReport["Title"]!;
+var benchmarks = combinedReport["Benchmarks"]!.AsArray();
+// Rename title whilst keeping original timestamp
+combinedReport["Title"] = $"{resultsFile}{title.GetValue<string>()[^16..]}";
+
+foreach (var report in reports.Skip(1))
+{
+    var array = JsonNode.Parse(File.ReadAllText(report))!["Benchmarks"]!.AsArray();
+    foreach (var benchmark in array)
+    {
+        // Double parse avoids "The node already has a parent" exception
+        benchmarks.Add(JsonNode.Parse(benchmark!.ToJsonString())!);
+    }
+}
+
+File.WriteAllText(resultsPath, combinedReport.ToString());

src/SteroidsDI.sln

@@ -40,6 +40,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "ISSUE_TEMPLATE", "ISSUE_TEM
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "workflows", "workflows", "{0D490189-8C58-4B71-AB8D-5FBE973D0429}"
 	ProjectSection(SolutionItems) = preProject
+		..\.github\workflows\benchmarks.yml = ..\.github\workflows\benchmarks.yml
 		..\.github\workflows\codeql-analysis.yml = ..\.github\workflows\codeql-analysis.yml
 		..\.github\workflows\label.yml = ..\.github\workflows\label.yml
 		..\.github\workflows\publish-preview.yml = ..\.github\workflows\publish-preview.yml
@@ -48,6 +49,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "workflows", "workflows", "{
 		..\.github\workflows\test.yml = ..\.github\workflows\test.yml
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Benchmarks", "Benchmarks\Benchmarks.csproj", "{3A3F37A4-27BB-4A35-80A3-1973DDE6586B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -74,6 +77,10 @@ Global
 		{AAF4F983-A2CF-4E5F-9862-CAB7EC942850}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{AAF4F983-A2CF-4E5F-9862-CAB7EC942850}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{AAF4F983-A2CF-4E5F-9862-CAB7EC942850}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3A3F37A4-27BB-4A35-80A3-1973DDE6586B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3A3F37A4-27BB-4A35-80A3-1973DDE6586B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3A3F37A4-27BB-4A35-80A3-1973DDE6586B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3A3F37A4-27BB-4A35-80A3-1973DDE6586B}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE