67 lines
2.8 KiB
C#
67 lines
2.8 KiB
C#
using System.Numerics;
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using System.Runtime.CompilerServices;
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using PerfectNumbers.Core.Gpu;
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namespace PerfectNumbers.Core;
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#pragma warning disable CA2211 // Non-constant fields should not be visible
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public static class EnvironmentConfiguration
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{
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public static ulong DivisorLimit = ulong.MaxValue;
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public static int GpuBatchSize = GpuConstants.ScanBatchSize;
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public static int GpuPrimeThreads = 1;
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public static int GpuRatio = PerfectNumberConstants.GpuRatio;
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public static ComputationDevice MersenneDevice = ComputationDevice.Cpu;
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public static BigInteger MinK = BigInteger.One;
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public static ComputationDevice OrderDevice = ComputationDevice.Cpu;
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public static int RollingAccelerators = PerfectNumberConstants.RollingAccelerators;
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public static string? StateFilePath;
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public static int ThreadCount;
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public static bool UseGpu;
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public static bool UseGpuOrder;
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public static bool UseHybridOrder;
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public static bool UseCpuOrder;
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public static bool UsePow2GroupDivisors;
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public static int ByDivisorSpecialRange;
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public static ByDivisor.ByDivisorClassModel? ByDivisorClassModel;
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public static ByDivisor.ByDivisorScanTuning ByDivisorScanTuning = ByDivisor.ByDivisorScanTuning.Default;
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public static double ByDivisorCheapKLimit = 10_000d;
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public static ByDivisorKIncrementMode ByDivisorKIncrementMode = ByDivisorKIncrementMode.Sequential;
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public static Persistence.ByDivisorClassModelRepository? ByDivisorClassModelRepository;
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public static Persistence.KStateRepository? ByDivisorKStateRepository;
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public static Persistence.KStateRepository? ByDivisorCheapKStateRepository;
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public static Persistence.KStateRepository? ByDivisorSpecialStateRepository;
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public static Persistence.KStateRepository? ByDivisorGroupsStateRepository;
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public static Persistence.Pow2Minus1StateRepository? ByDivisorPow2Minus1Repository;
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public static Persistence.BitContradictionStateRepository? BitContradictionStateRepository;
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public static CalculationMethod CalculationMethod = CalculationMethod.Residue;
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[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
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public static void Initialize()
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{
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if (MersenneDevice == ComputationDevice.Gpu &&
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ByDivisorKIncrementMode == ByDivisorKIncrementMode.BitContradiction)
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{
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OrderDevice = ComputationDevice.Gpu;
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}
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UseGpuOrder = OrderDevice == ComputationDevice.Gpu;
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UseHybridOrder = OrderDevice == ComputationDevice.Hybrid;
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UseCpuOrder = OrderDevice == ComputationDevice.Cpu;
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UseGpu =
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UseGpuOrder || UseHybridOrder ||
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MersenneDevice is ComputationDevice.Hybrid or ComputationDevice.Gpu;
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RollingAccelerators = UseGpu
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? Math.Min(Math.Min(
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PerfectNumberConstants.RollingAccelerators, GpuPrimeThreads), ThreadCount)
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: 0;
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UsePow2GroupDivisors = ByDivisorKIncrementMode == ByDivisorKIncrementMode.Pow2Groups;
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}
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}
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#pragma warning restore CA2211 // Non-constant fields should not be visible
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