44 lines
1.5 KiB
C#
44 lines
1.5 KiB
C#
using System.Collections.Generic;
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using BenchmarkDotNet.Attributes;
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using BenchmarkDotNet.Jobs;
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using PerfectNumbers.Core.Gpu;
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namespace EvenPerfectBitScanner.Benchmarks;
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[SimpleJob(RuntimeMoniker.Net80)]
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[MemoryDiagnoser]
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public class GpuUInt128NativeModuloBenchmarks
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{
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private static readonly NativeModuloInput[] Inputs = new NativeModuloInput[]
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{
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new(0x0000_0000_0000_0003UL, 0x0000_0000_0000_0005UL, 0x0000_0000_0000_007FUL, "TinyOperands"),
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new(0x7FFF_FFFF_FFFF_FFC3UL, 0x7FFF_FFFF_FFFF_FF21UL, 0x7FFF_FFFF_FFFF_FFC5UL, "NearModulus"),
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new(0xFFFF_FFFF_FFFF_FFFBUL, 0xFFFF_FFFF_FFFF_FFCFUL, 0xFFFF_FFFF_FFFF_FFF5UL, "DenseOperands"),
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new(0x0123_4567_89AB_CDEFUL, 0x0FED_CBA9_8765_4321UL, 0x1FFF_FFFF_FFFF_FFFBUL, "MixedMagnitude"),
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};
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[ParamsSource(nameof(GetInputs))]
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public NativeModuloInput Input { get; set; }
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public static IEnumerable<NativeModuloInput> GetInputs() => Inputs;
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[Benchmark(Baseline = true)]
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public ulong ImmediateModulo()
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{
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GpuUInt128 state = new(Input.Left % Input.Modulus);
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return state.MulMod(Input.Right, Input.Modulus);
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}
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[Benchmark]
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public ulong DeferredNativeModulo()
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{
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GpuUInt128 state = new(Input.Left);
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return state.MulModWithNativeModulo(Input.Right, Input.Modulus);
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}
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public readonly record struct NativeModuloInput(ulong Left, ulong Right, ulong Modulus, string Name)
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{
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public override string ToString() => Name;
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}
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}
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