Add packet buffer benchmarks

Edelstein.sln

@@ -98,6 +98,13 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Edelstein.Protocol.Plugin.G
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Edelstein.Common.Database.Tests", "test\Edelstein.Common.Database.Tests\Edelstein.Common.Database.Tests.csproj", "{F9A5686D-2B9F-4324-B723-2F01D20179C5}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "benchmark", "benchmark", "{9FA21AD7-E78E-45D0-B15C-0BB96A18D55A}"
+	ProjectSection(SolutionItems) = preProject
+		benchmarks\Directory.Build.Props = benchmarks\Directory.Build.Props
+	EndProjectSection
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Edelstein.Benchmarks", "benchmarks\Edelstein.Benchmarks\Edelstein.Benchmarks.csproj", "{492FE1C7-5672-4BC9-81CC-35FC03D082B7}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -141,6 +148,7 @@ Global
 		{BAD0A50A-E52C-47AC-80AA-1469699F3DDF} = {E50DFCDF-39D5-4D0D-A46E-94D11D795087}
 		{7F1B5F76-72E1-4BD6-8A3B-C1DB60AD928E} = {82D7864B-19AD-484C-BD2E-897F05B5852C}
 		{F9A5686D-2B9F-4324-B723-2F01D20179C5} = {9170CBBC-0B0B-4553-AE40-CC48A0D856A1}
+		{492FE1C7-5672-4BC9-81CC-35FC03D082B7} = {9FA21AD7-E78E-45D0-B15C-0BB96A18D55A}
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{6527D18C-B0E2-49BA-B649-4D5DB6216069}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
@@ -265,5 +273,9 @@ Global
 		{F9A5686D-2B9F-4324-B723-2F01D20179C5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F9A5686D-2B9F-4324-B723-2F01D20179C5}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{F9A5686D-2B9F-4324-B723-2F01D20179C5}.Release|Any CPU.Build.0 = Release|Any CPU
+		{492FE1C7-5672-4BC9-81CC-35FC03D082B7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{492FE1C7-5672-4BC9-81CC-35FC03D082B7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{492FE1C7-5672-4BC9-81CC-35FC03D082B7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{492FE1C7-5672-4BC9-81CC-35FC03D082B7}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

benchmarks/Directory.Build.Props

@@ -0,0 +1,21 @@
+<Project>
+
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <LangVersion>12.0</LangVersion>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
+        <IsPublishable>false</IsPublishable>
+    </PropertyGroup>
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="BenchmarkDotNet" Version="0.14.0" />
+    </ItemGroup>
+
+</Project>

benchmarks/Edelstein.Benchmarks/Edelstein.Benchmarks.csproj

@@ -0,0 +1,5 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\protocol\Edelstein.Protocol.Network\Edelstein.Protocol.Network.csproj" />
+  </ItemGroup>
+</Project>

benchmarks/Edelstein.Benchmarks/Packets/Packet_RawVsStructured.Raw.cs

@@ -0,0 +1,18 @@
+using BenchmarkDotNet.Attributes;
+using Edelstein.Protocol.Network.Packets;
+
+namespace Edelstein.Benchmarks.Packets;
+
+public partial class Packet_RawVsStructured
+{
+    [Benchmark]
+    public Span<byte> Raw()
+    {
+        using var stream = manager.GetStream();
+        using var writer = new RawPacketWriter()
+            .WriteBytes(data);
+
+        writer.DispatchTo(stream);
+        return stream.GetSpan();
+    }
+}

benchmarks/Edelstein.Benchmarks/Packets/Packet_RawVsStructured.Structured.cs

@@ -0,0 +1,28 @@
+using BenchmarkDotNet.Attributes;
+using BinarySerialization;
+using Edelstein.Protocol.Network.Packets;
+
+namespace Edelstein.Benchmarks.Packets;
+
+public partial class Packet_RawVsStructured
+{
+    [Benchmark]
+    public Span<byte> Structured()
+    {
+        using var stream = manager.GetStream();
+        using var writer = new RawPacketWriter()
+            .WriteStructured(new StructuredPacket
+            {
+                Data = data
+            });
+
+        writer.DispatchTo(stream);
+        return stream.GetSpan();
+    }
+}
+
+public record StructuredPacket : StructuredBasePacket
+{
+    [FieldOrder(0)]
+    public required byte[] Data { get; init; }
+}

benchmarks/Edelstein.Benchmarks/Packets/Packet_RawVsStructured.cs

@@ -0,0 +1,26 @@
+using System.Text;
+using BenchmarkDotNet.Attributes;
+using BinarySerialization;
+using Edelstein.Protocol.Network.Packets;
+using Microsoft.IO;
+
+namespace Edelstein.Benchmarks.Packets;
+
+[MemoryDiagnoser]
+public partial class Packet_RawVsStructured
+{
+    private const int N = 10000;
+    private readonly byte[] data;
+
+    private readonly RecyclableMemoryStreamManager manager = new(new RecyclableMemoryStreamManager.Options
+    {
+        BlockSize = 256,
+        ThrowExceptionOnToArray = true
+    });
+
+    public Packet_RawVsStructured()
+    {
+        data = new byte[N];
+        new Random(42).NextBytes(data);
+    }
+}

benchmarks/Edelstein.Benchmarks/Program.cs

@@ -0,0 +1,5 @@
+using BenchmarkDotNet.Running;
+
+BenchmarkSwitcher
+    .FromAssembly(typeof(Program).Assembly)
+    .Run(args);