Files
even-perfect-numbers-scanner/EvenPerfectBitScanner.Benchmarks/Mod6UIntBenchmarks.cs
T

35 lines
820 B
C#

using System.Runtime.CompilerServices;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Jobs;
namespace EvenPerfectBitScanner.Benchmarks;
[SimpleJob(RuntimeMoniker.Net80, launchCount: 1, warmupCount: 1, iterationCount: 5)]
[MemoryDiagnoser]
public class Mod6UIntBenchmarks
{
private static readonly byte[] Mod6Lookup = [0, 3, 4, 1, 2, 5];
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint Mod6(uint value) => Mod6Lookup[(int)(((value % 3U) << 1) | (value & 1U))];
[Params(6U, 2047U, 65535U, 2147483647U)]
public uint Value { get; set; }
/// <summary>
/// Fastest
/// </summary>
[Benchmark(Baseline = true)]
public uint ModuloOperator()
{
return Value % 6U;
}
[Benchmark]
public uint ExtensionMethod()
{
return Mod6(Value);
}
}