AyCode.Core/AyCode.Benchmark/JitDisassemblyBenchmark.cs

92 lines
3.2 KiB
C#

using AyCode.Core.Serializers.Binaries;
using AyCode.Core.Tests.TestModels;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Diagnosers;
using BenchmarkDotNet.Jobs;
namespace AyCode.Core.Benchmarks;
/// <summary>
/// JIT disassembly benchmark for AcBinarySerializer hot path analysis.
/// Shows actual x64 assembly generated by the JIT to verify inlining decisions.
///
/// Usage: dotnet run -c Release -- --filter *JitDisassemblyBenchmark*
/// Or from Program.cs: --jitasm
///
/// Output: BenchmarkDotNet artifacts folder contains .asm files with full disassembly.
/// Look for:
/// - WritePropertyOrSkip / WritePropertyMarkerless: are they inlined or called?
/// - WriteInt32 / WriteFloat64Unsafe / etc.: inlined into the caller or separate calls?
/// - context parameter passing: register usage (RCX/RDX/R8/R9)
/// </summary>
[SimpleJob(RuntimeMoniker.Net90)]
[DisassemblyDiagnoser(maxDepth: 4, printSource: true, exportGithubMarkdown: true)]
[MemoryDiagnoser(displayGenColumns: false)]
public class JitDisassemblyBenchmark
{
private TestOrder_All_True _order = null!;
private AcBinarySerializerOptions _fastModeOptions = null!;
private AcBinarySerializerOptions _defaultOptions = null!;
private byte[] _serializedFastMode = null!;
private byte[] _serializedDefault = null!;
[GlobalSetup]
public void Setup()
{
TestDataFactory.ResetIdCounter();
var sharedTag = TestDataFactory.CreateTag("SharedTag_All_True");
var sharedUser = TestDataFactory.CreateUser("shareduser");
// Medium data: enough properties to show loop behavior, not too large for disassembly
_order = TestDataFactory.CreateOrder(
itemCount: 3,
palletsPerItem: 3,
measurementsPerPallet: 3,
pointsPerMeasurement: 4,
sharedTag: sharedTag,
sharedUser: sharedUser);
_fastModeOptions = AcBinarySerializerOptions.FastMode;
_defaultOptions = AcBinarySerializerOptions.Default;
_serializedFastMode = AcBinarySerializer.Serialize(_order, _fastModeOptions);
_serializedDefault = AcBinarySerializer.Serialize(_order, _defaultOptions);
}
/// <summary>
/// FastMode serialize — no ref tracking, no string interning.
/// </summary>
[Benchmark(Baseline = true)]
public byte[] Serialize_FastMode()
{
return AcBinarySerializer.Serialize(_order, _fastModeOptions);
}
/// <summary>
/// FastMode deserialize.
/// </summary>
[Benchmark]
public TestOrder_All_True Deserialize_FastMode()
{
return AcBinaryDeserializer.Deserialize<TestOrder_All_True>(_serializedFastMode, _fastModeOptions);
}
/// <summary>
/// Default serialize — ref tracking + string interning (scan pass + write pass).
/// Shows IdentityMap lookup overhead in hot path.
/// </summary>
[Benchmark]
public byte[] Serialize_Default()
{
return AcBinarySerializer.Serialize(_order, _defaultOptions);
}
/// <summary>
/// Default deserialize — ref tracking + string interning.
/// </summary>
[Benchmark]
public TestOrder_All_True Deserialize_Default()
{
return AcBinaryDeserializer.Deserialize<TestOrder_All_True>(_serializedDefault, _defaultOptions);
}
}