131 lines
6.7 KiB
C#
131 lines
6.7 KiB
C#
using BenchmarkDotNet.Attributes;
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using System.Numerics;
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using System.Runtime.CompilerServices;
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namespace Recyclable.Collections.Benchmarks.POC
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{
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public abstract class PocBenchmarkBase<TBenchmarkType>
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{
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public virtual TBenchmarkType? DataType { get; set; }
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public virtual TBenchmarkType? BaseDataType { get; set; }
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private Action? _testMethod;
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protected Action TestMethod
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{
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get => _testMethod ?? throw new OperationCanceledException("Skip - No actual defined");
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set => _testMethod = value;
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}
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private Action? _baselineMethod;
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protected Action BaselineMethod
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{
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get => _baselineMethod ?? throw new OperationCanceledException("Skip - No baseline defined");
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set => _baselineMethod = value;
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}
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[Benchmark(Baseline = true)]
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public void Baseline() => BaselineMethod.Invoke();
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[Benchmark]
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public void Actual() => TestMethod.Invoke();
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// 0 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524_288
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// 1048576 2097152 4194304 8388608 16777216 33554432 67108864 134217728 268435456 536870912
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// 1073741824 2147483648
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// [Params(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 30, 32, 40, 50, 60, 80, 90, 100, 128, 256, 512, 1024, 2048, 4096, 8192, 1_000_000)]
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// [Params(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 30, 32, 40, 50, 60, 80, 90, 100, 128, 256, 512, 1024, 2048, 4096, 8192, 1_000_000)]
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// [Params(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 30, 32, 40, 50, 60, 80, 90, 100, 128, 256, 512, 1024, 2048, 4096, 8192, 100_000_000)]
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// [Params(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 30, 32, 40, 50, 60, 80, 90, 100, 128, 256, 512, 1024, 2048, 4096, 8192, 850_000 - 1, 1_000_000, RecyclableDefaults.MaxPooledBlockSize)]
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// [Params(1_000_000, 10_000_000, 100_000_000, 1_000_000_000)]
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// [Params(192, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144)]
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// [Params(524_288, 786_432, 1_048_576)]
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// [Params(262_144, 393_216, 524_288)]
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// [Params(100_000_000)]
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// *** [Params(850_000)]
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// [Params(127)]
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// [Params(16)]
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// [Params(10)]
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// [Params(1)]
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// [Params(RecyclableDefaults.MaxPooledBlockSize)]
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// [Params(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 30, 32, 40, 50, 60, 80, 90, 100, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 10_000_000, 33_554_432, 50_000_000, 100_000_000)]
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// *** [Params(RecyclableDefaults.MinPooledArrayLength - 3, RecyclableDefaults.MinPooledArrayLength - 2, RecyclableDefaults.MinPooledArrayLength - 1, RecyclableDefaults.MinPooledArrayLength, RecyclableDefaults.MinPooledArrayLength + 1, RecyclableDefaults.MinPooledArrayLength + 2, RecyclableDefaults.MinPooledArrayLength + 3)]
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[Params(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 30, 32, 40, RecyclableDefaults.MinPooledArrayLength - 1, RecyclableDefaults.MinPooledArrayLength, 40, 50, 60, 70, 80, 90, 100, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, RecyclableDefaults.MinItemsCountForParallelization)]
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// *** [Params(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 30, 32, 40, RecyclableDefaults.MinPooledArrayLength - 1, RecyclableDefaults.MinPooledArrayLength, 40, 50, 60, 70, 80, 90, 100, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, RecyclableDefaults.MinItemsCountForParallelization)]
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// [Params(256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, RecyclableDefaults.MinItemsCountForParallelization)]
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// [Params(RecyclableDefaults.MinItemsCountForParallelization, 1_048_576, 2_097_152, 4_194_304, 8_388_608, 16_777_216, 33_554_432, RecyclableDefaults.MaxPooledBlockSize)]
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// *** [Params(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 30, RecyclableDefaults.MinPooledArrayLength - 1, RecyclableDefaults.MinPooledArrayLength, 40, 50, 60, 64, 70, 80, 90, 100, 127, 128)]
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// [Params(1, 10, 1024, 10240, RecyclableDefaults.MinPooledArrayLength, RecyclableDefaults.MinItemsCountForParallelization)]
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// [Params(RecyclableDefaults.MinItemsCountForParallelization * 3)]
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// [Params(1_048_576)]
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public virtual int TestObjectCount { get; set; } = 0; //8_192;//131_072; //1; //33_554_432; //524_288; //131_072;
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public virtual int TestObjectCountForSlowMethods => (TestObjectCount / 2) + 1;// Math.Min(TestObjectCount, 131_072);
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// [Params(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200)]
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// [Params(10, 20, 50, 100)]
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// [Params(1, 10)]
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public int Divider = 10;
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//public int BlockSize = 1_048_576;//int.MaxValue - 1;
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public int BlockSize => TestObjectCount switch
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{
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0 => 1,
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> 0 and <= 10_240 => TestObjectCount,
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_ => TestObjectCount / Divider > 0 ? TestObjectCount / Divider : TestObjectCount
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};
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public byte BlockSizePow2BitShift => checked((byte)(31 - BitOperations.LeadingZeroCount((uint)BlockSize)));
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[MethodImpl(MethodImplOptions.NoInlining)]
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protected static void DoNothing<T>(in T item)
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{
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_ = item;
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}
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protected static Exception CreateUnknownBenchmarkTypeException<T>(T benchmarkType)
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{
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return new InvalidOperationException($"******* UNKNOWN BENCHMARK TYPE {{{benchmarkType}}} *******");
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}
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protected static Exception CreateMethodNotFoundException(in string methodName, in string? className)
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{
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return new MethodAccessException($"******* METHOD {{{methodName}}} NOT FOUND IN CLASS {{{className}}} *******");
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}
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protected virtual void PrepareData<T>(T benchmarkType) { }
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protected virtual Action? GetTestMethod(TBenchmarkType? benchmarkType) => null;
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[GlobalCleanup]
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public virtual void Cleanup()
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{
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_baselineMethod = null;
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_testMethod = null;
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GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced, true, true);
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}
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[GlobalSetup]
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public virtual void Setup()
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{
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Console.WriteLine($"******* SETTING UP TEST CASE FOR BENCHMARK {{{DataType}}} *******");
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if (!EqualityComparer<TBenchmarkType>.Default.Equals(BaseDataType, default))
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{
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Console.WriteLine("******* SETTING UP BASELINE DATA *******");
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PrepareData(BaseDataType);
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_baselineMethod = GetTestMethod(BaseDataType);
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}
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//~ We don't want to prepare data if baseline data is the same is benchmark data.
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//~ One would override another - waste of time & resources.
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if (!EqualityComparer<TBenchmarkType>.Default.Equals(BaseDataType, DataType))
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{
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Console.WriteLine("******* SETTING UP TEST CASE DATA *******");
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//~ If BaseDataType == null, then we'll come here only if DataType != null.
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PrepareData(DataType!);
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_testMethod = GetTestMethod(DataType);
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}
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Console.WriteLine("******* DATA PREPARED *******");
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}
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}
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}
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