aspnetcore/benchmarks/Kestrel.Performance/IntegerDecoderBenchmark.cs

42 lines
1.4 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using BenchmarkDotNet.Attributes;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2.HPack;
namespace Microsoft.AspNetCore.Server.Kestrel.Performance
{
public class IntegerDecoderBenchmark
{
private const int Iterations = 50_000;
private int _prefixLength = 5; // Arbitrary prefix length
private byte _singleByte = 0x1e; // 30
private byte[] _multiByte = new byte[] { 0x1f, 0xe0, 0xff, 0xff, 0xff, 0x03}; // int32.MaxValue
private IntegerDecoder _integerDecoder = new IntegerDecoder();
[Benchmark(Baseline = true, OperationsPerInvoke = Iterations)]
public void DecodeSingleByteInteger()
{
for (var i = 0; i < Iterations; i++)
{
_integerDecoder.BeginTryDecode(_singleByte, _prefixLength, out _);
}
}
[Benchmark(OperationsPerInvoke = Iterations)]
public void DecodeMultiByteInteger()
{
for (var i = 0; i < Iterations; i++)
{
_integerDecoder.BeginTryDecode(_multiByte[0], _prefixLength, out _);
for (var j = 1; j < _multiByte.Length; j++)
{
_integerDecoder.TryDecode(_multiByte[j], out _);
}
}
}
}
}