57 lines
1.5 KiB
C#
57 lines
1.5 KiB
C#
using BenchmarkDotNet.Attributes;
|
|
using BenchmarkDotNet.Jobs;
|
|
using PerfectNumbers.Core;
|
|
|
|
namespace EvenPerfectBitScanner.Benchmarks;
|
|
|
|
[SimpleJob(RuntimeMoniker.Net80, launchCount: 1, warmupCount: 1, iterationCount: 5)]
|
|
[MemoryDiagnoser]
|
|
public class Mod5UIntBenchmarks
|
|
{
|
|
[Params(
|
|
3U,
|
|
5U,
|
|
6U,
|
|
8U,
|
|
10U,
|
|
11U,
|
|
32U,
|
|
64U,
|
|
128U,
|
|
256U,
|
|
2047U,
|
|
8191U,
|
|
65535U,
|
|
131071U,
|
|
2147483647U,
|
|
uint.MaxValue - 1024U,
|
|
uint.MaxValue - 511U,
|
|
uint.MaxValue - 255U,
|
|
uint.MaxValue - 127U,
|
|
uint.MaxValue - 63U,
|
|
uint.MaxValue - 31U,
|
|
uint.MaxValue - 17U,
|
|
uint.MaxValue)]
|
|
public uint Value { get; set; }
|
|
|
|
/// <summary>
|
|
/// `% 5` baseline; times hovered around 0.03 ns with the expected zero-measurement noise (0.0296 ns at value 5, 0.0671 ns at 6,
|
|
/// 0.0326 ns at 8, 0.0289 ns at 10, 0.1236 ns at 11, dropping back to ~0.03 ns for large values).
|
|
/// </summary>
|
|
[Benchmark(Baseline = true)]
|
|
public uint ModuloOperator()
|
|
{
|
|
return Value % 5U;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Extension helper; typically within 0.03-0.04 ns (0.0349 ns at value 3, 0.0294 ns at 8, 0.0305 ns at 65535, 0.0270 ns at 131071,
|
|
/// 0.0327 ns at 2147483647) though the dataset contains an outlier at value 11 (0.0315 ns) and value 64 (0.0356 ns).
|
|
/// </summary>
|
|
[Benchmark]
|
|
public uint ExtensionMethod()
|
|
{
|
|
return Value.Mod5();
|
|
}
|
|
}
|