BenchmarkDotNet 生成好看的性能测试图表
起因
BenchmarkDotNet支持将性能测试的结果导出为多种格式,常用的一般为html/csv,其实BenchmarkDotNet支持生成很多种文件格式.具体文档地址:
https://benchmarkdotnet.org/articles/configs/exporters.html支持的文件格式:
BenchmarkDotNet生成图表是依赖R的,BenchmarkDotNet只是生成R的脚本文件,需要R执行脚本生成图表.
安装R的文章,可以参考这个: Windows安装R
测试代码
using System.Runtime.CompilerServices;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Configs;
using BenchmarkDotNet.Exporters;
using BenchmarkDotNet.Exporters.Csv;
namespace dotnet_perf
{
[RPlotExporter] //生成r脚本文件
[MemoryDiagnoser]
[DisassemblyDiagnoser(printSource: true)]
[Config(typeof(Config))]
public class MethodInlineTest
{
[Params(10000)]
public int Count { get; set; }
public Random Random = new Random();
[Benchmark]
public void AggressiveInlining()
{
for (int i = 0; i < Count; i++)
{
int a = Random.Next(1, 100);
int b = Random.Next(1, 100);
int c = AggressiveInliningTest(a, b);
}
}
[Benchmark]
public void AggressiveOptimization()
{
for (int i = 0; i < Count; i++)
{
int a = Random.Next(1, 100);
int b = Random.Next(1, 100);
int c = AggressiveOptimizationTest(a, b);
}
}
[Benchmark]
public void NoInlining()
{
for (int i = 0; i < Count; i++)
{
int a = Random.Next(1, 100);
int b = Random.Next(1, 100);
int c = NoInliningnTest(a, b);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public int AggressiveInliningTest(int a, int b) //求数的大小
{
return a > b ? a : b;
}
[MethodImpl(MethodImplOptions.AggressiveOptimization)]
public int AggressiveOptimizationTest(int a, int b) //求数的大小
{
return a > b ? a : b;
}
[MethodImpl(MethodImplOptions.NoInlining)]
public int NoInliningnTest(int a, int b) //求数的大小
{
return a > b ? a : b;
}
private class Config : ManualConfig
{
public Config()
{
AddExporter(CsvMeasurementsExporter.Default); //生成csv文件,r脚本生成图表需要
AddExporter(RPlotExporter.Default); //使用r默认的配置
}
}
}
}#执行R脚本
Rscript.exe .\BuildPlots.R看BenchmarkDotNet生成的图表
秋风
2021-08-16