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January 19, 2023 14:29
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bench.md
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using BenchmarkDotNet.Attributes; | |
using BenchmarkDotNet.Jobs; | |
using BenchmarkDotNet.Running; | |
using Grpc.Core; | |
using ProtoBuf.Grpc.Client; | |
using ProtoBuf.Grpc.Configuration; | |
using System.Collections.Concurrent; | |
using System.Runtime.CompilerServices; | |
BenchmarkRunner.Run<MyBenchmark>(); | |
[MemoryDiagnoser] | |
[SimpleJob(RuntimeMoniker.Net70)] | |
public class MyBenchmark | |
{ | |
private readonly ChannelBase _grpcChannel = new DummyChannel(); | |
private readonly ConcurrentDictionary<Type, object> _channelCache = new(); | |
[Benchmark] | |
public IService WithCache() => GetGrpcServiceWithCache<IService>(); | |
[Benchmark(Baseline = true)] | |
public IService WithoutCache() => _grpcChannel.CreateGrpcService<IService>(); | |
[Benchmark] | |
public IService WithCache2() => GetGrpcServiceWithCache2<IService>(); | |
private T GetGrpcServiceWithCache<T>() where T : class | |
{ | |
if (_channelCache.TryGetValue(typeof(T), out var obj)) | |
return (T)obj; | |
var service = _grpcChannel.CreateGrpcService<T>(); | |
if (!_channelCache.TryAdd(typeof(T), service)) | |
service = (T)_channelCache[typeof(T)]; | |
return service; | |
} | |
[MethodImpl(MethodImplOptions.AggressiveInlining)] | |
private T GetGrpcServiceWithCache2<T>() where T : class | |
=> _channelCache.TryGetValue(typeof(T), out var obj) ? (T)obj : SlowGet<T>(); | |
[MethodImpl(MethodImplOptions.NoInlining)] | |
private T SlowGet<T>() where T : class | |
{ | |
var service = _grpcChannel.CreateGrpcService<T>(); | |
if (!_channelCache.TryAdd(typeof(T), service)) | |
service = (T)_channelCache[typeof(T)]; | |
return service; | |
} | |
} | |
[Service] | |
public interface IService { } | |
sealed class DummyChannel : ChannelBase | |
{ | |
public DummyChannel() : base("") { } | |
public override CallInvoker CreateCallInvoker() | |
=> DummyCallInvoker.Instance; | |
} | |
sealed class DummyCallInvoker : CallInvoker | |
{ | |
public static DummyCallInvoker Instance { get; } = new(); | |
public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string? host, CallOptions options) => throw new NotSupportedException(); | |
public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string? host, CallOptions options) => throw new NotSupportedException(); | |
public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string? host, CallOptions options, TRequest request) => throw new NotSupportedException(); | |
public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string? host, CallOptions options, TRequest request) => throw new NotSupportedException(); | |
public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string? host, CallOptions options, TRequest request) => throw new NotSupportedException(); | |
} |
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``` | |
BenchmarkDotNet=v0.13.4, OS=Windows 11 (10.0.22621.1105) | |
Intel Core i9-9900K CPU 3.60GHz (Coffee Lake), 1 CPU, 16 logical and 8 physical cores | |
.NET SDK=7.0.102 | |
[Host] : .NET 7.0.2 (7.0.222.60605), X64 RyuJIT AVX2 | |
.NET 7.0 : .NET 7.0.2 (7.0.222.60605), X64 RyuJIT AVX2 | |
Job=.NET 7.0 Runtime=.NET 7.0 | |
``` | |
| Method | Mean | Error | StdDev | Ratio | Gen0 | Allocated | Alloc Ratio | | |
|------------- |---------:|---------:|---------:|------:|-------:|----------:|------------:| | |
| WithCache | 14.41 ns | 0.205 ns | 0.182 ns | 0.31 | - | - | 0.00 | | |
| WithoutCache | 46.19 ns | 0.955 ns | 1.100 ns | 1.00 | 0.0220 | 184 B | 1.00 | | |
| WithCache2 | 13.24 ns | 0.092 ns | 0.082 ns | 0.29 | - | - | 0.00 | |
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