Initial BitTree implementation added.
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mlemanczyk committed
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@@ -5,19 +5,20 @@ using PerfectNumbers.Core.Gpu;
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namespace EvenPerfectBitScanner;
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internal enum ByDivisorKIncrementMode
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{
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Sequential,
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Pow2Groups,
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Predictive,
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Percentile,
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Additive,
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TopDown,
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BitContradiction,
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internal enum ByDivisorKIncrementMode
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{
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Sequential,
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Pow2Groups,
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Predictive,
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Percentile,
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Additive,
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TopDown,
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BitContradiction,
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BitTree,
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}
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internal readonly struct CliArguments
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{
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internal readonly struct CliArguments
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{
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private const string DefaultCyclesPath = "divisor_cycles.bin";
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internal readonly ulong StartPrime;
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@@ -35,19 +36,19 @@ namespace EvenPerfectBitScanner;
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internal readonly bool UseLucas;
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internal readonly bool UseResidue;
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internal readonly bool UseDivisor;
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internal readonly bool UseByDivisor;
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internal readonly ByDivisorKIncrementMode ByDivisorKIncrementMode;
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internal readonly int ByDivisorSpecialRange;
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internal readonly bool UseGcdFilter;
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internal readonly bool TestMode;
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internal readonly bool UseGpuCycles;
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internal readonly ComputationDevice MersenneDevice;
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internal readonly ComputationDevice OrderDevice;
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internal readonly int ScanBatchSize;
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internal readonly int SliceSize;
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internal readonly ulong MaxKLimit;
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internal readonly bool UseByDivisor;
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internal readonly ByDivisorKIncrementMode ByDivisorKIncrementMode;
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internal readonly int ByDivisorSpecialRange;
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internal readonly bool UseGcdFilter;
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internal readonly bool TestMode;
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internal readonly bool UseGpuCycles;
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internal readonly ComputationDevice MersenneDevice;
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internal readonly ComputationDevice OrderDevice;
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internal readonly int ScanBatchSize;
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internal readonly int SliceSize;
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internal readonly ulong MaxKLimit;
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internal readonly bool MaxKConfigured;
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internal readonly string FilterFile;
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internal readonly string FilterFile;
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internal readonly bool ForcePrimeKernelsOnCpu;
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internal readonly ModReductionMode ModReductionMode;
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internal readonly NttBackend NttBackend;
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@@ -66,56 +67,56 @@ namespace EvenPerfectBitScanner;
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internal readonly double ZeroFractionConjecture;
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internal readonly int MaxZeroConjecture;
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internal readonly BigInteger MinK;
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internal readonly int GpuRatio;
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internal readonly int GpuRatio;
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private CliArguments(
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ulong startPrime,
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bool startPrimeProvided,
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UInt128 maxPrimeLimit,
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bool maxPrimeConfigured,
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int threadCount,
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int blockSize,
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int gpuPrimeThreads,
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int gpuPrimeBatch,
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GpuKernelType kernelType,
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bool useOrder,
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bool showHelp,
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bool useBitTransform,
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bool useLucas,
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bool useResidue,
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bool useDivisor,
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bool useByDivisor,
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bool useGcdFilter,
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ByDivisorKIncrementMode byDivisorKIncrementMode,
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int byDivisorSpecialRange,
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bool testMode,
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bool useGpuCycles,
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ComputationDevice mersenneDevice,
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ComputationDevice orderDevice,
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int scanBatchSize,
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int sliceSize,
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ulong maxKLimit,
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bool maxKConfigured,
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string filterFile,
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bool forcePrimeKernelsOnCpu,
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ModReductionMode modReductionMode,
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NttBackend nttBackend,
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string? resultsDirectory,
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string? resultsPrefix,
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int writeBatchSize,
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string cyclesPath,
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bool continueCyclesGeneration,
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int cyclesBatchSize,
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ulong divisorCyclesSearchLimit,
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ulong? orderWarmupLimitOverride,
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string? rleBlacklistPath,
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ulong rleHardMaxP,
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bool rleOnlyLast7,
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double zeroFractionHard,
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double zeroFractionConjecture,
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int maxZeroConjecture,
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BigInteger minK,
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int gpuRatio)
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private CliArguments(
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ulong startPrime,
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bool startPrimeProvided,
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UInt128 maxPrimeLimit,
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bool maxPrimeConfigured,
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int threadCount,
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int blockSize,
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int gpuPrimeThreads,
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int gpuPrimeBatch,
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GpuKernelType kernelType,
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bool useOrder,
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bool showHelp,
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bool useBitTransform,
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bool useLucas,
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bool useResidue,
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bool useDivisor,
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bool useByDivisor,
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bool useGcdFilter,
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ByDivisorKIncrementMode byDivisorKIncrementMode,
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int byDivisorSpecialRange,
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bool testMode,
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bool useGpuCycles,
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ComputationDevice mersenneDevice,
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ComputationDevice orderDevice,
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int scanBatchSize,
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int sliceSize,
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ulong maxKLimit,
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bool maxKConfigured,
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string filterFile,
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bool forcePrimeKernelsOnCpu,
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ModReductionMode modReductionMode,
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NttBackend nttBackend,
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string? resultsDirectory,
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string? resultsPrefix,
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int writeBatchSize,
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string cyclesPath,
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bool continueCyclesGeneration,
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int cyclesBatchSize,
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ulong divisorCyclesSearchLimit,
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ulong? orderWarmupLimitOverride,
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string? rleBlacklistPath,
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ulong rleHardMaxP,
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bool rleOnlyLast7,
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double zeroFractionHard,
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double zeroFractionConjecture,
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int maxZeroConjecture,
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BigInteger minK,
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int gpuRatio)
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{
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StartPrime = startPrime;
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StartPrimeProvided = startPrimeProvided;
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@@ -163,7 +164,7 @@ namespace EvenPerfectBitScanner;
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ZeroFractionConjecture = zeroFractionConjecture;
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MaxZeroConjecture = maxZeroConjecture;
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MinK = minK;
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GpuRatio = gpuRatio;
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GpuRatio = gpuRatio;
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}
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internal bool UseFilter => !TestMode && !string.IsNullOrEmpty(FilterFile);
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@@ -204,7 +205,7 @@ namespace EvenPerfectBitScanner;
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string? resultsDirectory = null;
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string? resultsPrefix = null;
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int writeBatchSize = CalculationResultHandler.DefaultWriteBatchSize;
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string cyclesPath = DefaultCyclesPath;
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string cyclesPath = DefaultCyclesPath;
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bool continueCyclesGeneration = false;
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int cyclesBatchSize = 512;
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ulong divisorCyclesSearchLimit = PerfectNumberConstants.ExtraDivisorCycleSearchLimit;
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@@ -216,7 +217,7 @@ namespace EvenPerfectBitScanner;
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double zeroFractionConjecture = -1.0;
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int maxZeroConjecture = -1;
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BigInteger minK = BigInteger.One;
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int gpuRatio = PerfectNumberConstants.GpuRatio;
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int gpuRatio = PerfectNumberConstants.GpuRatio;
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foreach (string argument in args)
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{
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@@ -279,6 +280,19 @@ namespace EvenPerfectBitScanner;
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continue;
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}
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if (argument.Equals("--use-order", StringComparison.OrdinalIgnoreCase))
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{
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useOrder = true;
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continue;
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}
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if (argument.StartsWith("--max-k=", StringComparison.OrdinalIgnoreCase))
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{
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maxKLimit = Utf8CliParser.ParseUInt64(argument.AsSpan("--max-k=".Length));
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maxKConfigured = true;
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continue;
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}
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if (argument.StartsWith("--mersenne=", StringComparison.OrdinalIgnoreCase))
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{
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ReadOnlySpan<char> value = argument.AsSpan("--mersenne=".Length);
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@@ -318,138 +332,46 @@ namespace EvenPerfectBitScanner;
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if (argument.StartsWith("--bydivisor-k-increment=", StringComparison.OrdinalIgnoreCase))
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{
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string value = argument["--bydivisor-k-increment=".Length..].Trim();
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ReadOnlySpan<char> value = argument.AsSpan("--bydivisor-k-increment=".Length);
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if (value.Equals("pow2groups", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.Pow2Groups;
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}
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else if (value.Equals("sequential", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.Sequential;
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}
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else if (value.Equals("predictive", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.Predictive;
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}
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else if (value.Equals("percentile", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.Percentile;
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}
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else if (value.Equals("additive", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.Additive;
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}
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else if (value.Equals("topdown", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.TopDown;
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}
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else if (value.Equals("bitcontradiction", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.BitContradiction;
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}
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else
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{
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Console.WriteLine("Invalid value for --bydivisor-k-increment. Use sequential, pow2groups, predictive, percentile, additive, topdown, or bitcontradiction.");
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return default;
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}
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else if (value.Equals("percentile", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.Percentile;
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}
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else if (value.Equals("additive", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.Additive;
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}
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else if (value.Equals("topdown", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.TopDown;
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}
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else if (value.Equals("bitcontradiction", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.BitContradiction;
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}
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else if (value.Equals("bittree", StringComparison.OrdinalIgnoreCase))
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.BitTree;
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}
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else
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{
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byDivisorKIncrementMode = ByDivisorKIncrementMode.Sequential;
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}
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continue;
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}
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if (argument.StartsWith("--bydivisor-special-range=", StringComparison.OrdinalIgnoreCase))
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{
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if (Utf8CliParser.TryParseInt32(argument.AsSpan("--bydivisor-special-range=".Length), out int parsedRange) && parsedRange >= 0)
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{
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byDivisorSpecialRange = parsedRange;
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}
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else
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{
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Console.WriteLine("Invalid value for --bydivisor-special-range. Use a non-negative integer.");
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return default;
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}
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continue;
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}
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if (argument.StartsWith("--divisor-cycles-limit=", StringComparison.OrdinalIgnoreCase))
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{
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if (Utf8CliParser.TryParseUInt64(argument.AsSpan("--divisor-cycles-limit=".Length), out ulong parsedLimit))
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{
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divisorCyclesSearchLimit = parsedLimit;
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}
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continue;
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}
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if (argument.StartsWith("--max-k=", StringComparison.OrdinalIgnoreCase))
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{
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if (Utf8CliParser.TryParseUInt64(argument.AsSpan("--max-k=".Length), out ulong parsedMaxK))
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{
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maxKLimit = parsedMaxK;
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maxKConfigured = true;
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}
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continue;
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}
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if (argument.StartsWith("--min-k=", StringComparison.OrdinalIgnoreCase))
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{
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ReadOnlySpan<char> minKSpan = argument.AsSpan("--min-k=".Length);
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if (Utf8CliParser.TryParseUInt64(minKSpan, out ulong parsedMinK) && parsedMinK > 0UL)
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{
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minK = parsedMinK;
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}
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else
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{
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try
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{
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BigInteger parsedMinKBig = BigInteger.Parse(minKSpan, CultureInfo.InvariantCulture);
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if (parsedMinKBig > BigInteger.Zero)
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{
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minK = parsedMinKBig;
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}
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else
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{
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Console.WriteLine("Invalid value for --min-k.");
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return default;
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}
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}
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catch
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{
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Console.WriteLine("Invalid value for --min-k.");
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return default;
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}
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}
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continue;
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}
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if (argument.StartsWith("--mersenne-device=", StringComparison.OrdinalIgnoreCase))
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{
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ReadOnlySpan<char> value = argument.AsSpan("--mersenne-device=".Length);
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mersenneDevice = ParseDevice(value);
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continue;
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}
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if (argument.Equals("--test", StringComparison.OrdinalIgnoreCase))
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{
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testMode = true;
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continue;
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}
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if (argument.Equals("--use-order", StringComparison.OrdinalIgnoreCase))
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{
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useOrder = true;
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continue;
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}
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if (argument.StartsWith("--order-warmup-limit=", StringComparison.OrdinalIgnoreCase))
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{
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if (Utf8CliParser.TryParseUInt64(argument.AsSpan("--order-warmup-limit=".Length), out ulong parsedLimit))
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{
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orderWarmupLimitOverride = parsedLimit;
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}
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byDivisorSpecialRange = Utf8CliParser.ParseInt32(argument.AsSpan("--bydivisor-special-range=".Length));
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continue;
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}
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@@ -459,138 +381,30 @@ namespace EvenPerfectBitScanner;
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continue;
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}
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if (argument.StartsWith("--ntt=", StringComparison.OrdinalIgnoreCase))
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if (argument.Equals("--test-mode", StringComparison.OrdinalIgnoreCase))
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{
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ReadOnlySpan<char> value = argument.AsSpan("--ntt=".Length);
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nttBackend = value.Equals("staged", StringComparison.OrdinalIgnoreCase) ? NttBackend.Staged : NttBackend.Reference;
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testMode = true;
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continue;
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}
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if (argument.StartsWith("--mod-reduction=", StringComparison.OrdinalIgnoreCase))
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if (argument.StartsWith("--mersenne-device=", StringComparison.OrdinalIgnoreCase))
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{
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ReadOnlySpan<char> value = argument.AsSpan("--mod-reduction=".Length);
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if (value.Equals("mont64", StringComparison.OrdinalIgnoreCase))
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{
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modReductionMode = ModReductionMode.Mont64;
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}
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else if (value.Equals("barrett128", StringComparison.OrdinalIgnoreCase))
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{
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modReductionMode = ModReductionMode.Barrett128;
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}
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else if (value.Equals("uint128", StringComparison.OrdinalIgnoreCase))
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{
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modReductionMode = ModReductionMode.GpuUInt128;
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}
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else
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{
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modReductionMode = ModReductionMode.Auto;
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}
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mersenneDevice = ParseDevice(argument.AsSpan("--mersenne-device=".Length));
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continue;
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}
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if (argument.StartsWith("--primes-device=", StringComparison.OrdinalIgnoreCase))
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if (argument.StartsWith("--primes=", StringComparison.OrdinalIgnoreCase) ||
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argument.StartsWith("--gpu-kernels=", StringComparison.OrdinalIgnoreCase) ||
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argument.StartsWith("--accelerator=", StringComparison.OrdinalIgnoreCase))
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{
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forcePrimeKernelsOnCpu = argument.AsSpan("--primes-device=".Length).Equals("cpu", StringComparison.OrdinalIgnoreCase);
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ReadOnlySpan<char> value = argument.Contains('=') ? argument.AsSpan(argument.IndexOf('=') + 1) : argument.AsSpan();
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forcePrimeKernelsOnCpu = value.Equals("cpu", StringComparison.OrdinalIgnoreCase);
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continue;
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}
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if (argument.StartsWith("--order-device=", StringComparison.OrdinalIgnoreCase))
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{
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ReadOnlySpan<char> value = argument.AsSpan("--order-device=".Length);
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orderDevice = ParseDevice(value);
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continue;
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}
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if (argument.StartsWith("--rle-blacklist=", StringComparison.OrdinalIgnoreCase))
|
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{
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rleBlacklistPath = argument["--rle-blacklist=".Length..];
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continue;
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}
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if (argument.StartsWith("--rle-hard-max=", StringComparison.OrdinalIgnoreCase))
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{
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if (Utf8CliParser.TryParseUInt64(argument.AsSpan("--rle-hard-max=".Length), out ulong parsedMax))
|
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{
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rleHardMaxP = parsedMax;
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}
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continue;
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}
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if (argument.StartsWith("--rle-only-last7=", StringComparison.OrdinalIgnoreCase))
|
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{
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ReadOnlySpan<char> value = argument.AsSpan("--rle-only-last7=".Length);
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rleOnlyLast7 = !value.Equals("false", StringComparison.OrdinalIgnoreCase) && !value.Equals("0", StringComparison.OrdinalIgnoreCase);
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continue;
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}
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if (argument.StartsWith("--zero-hard=", StringComparison.OrdinalIgnoreCase))
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{
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if (Utf8CliParser.TryParseDouble(argument.AsSpan("--zero-hard=".Length), out double zeroFraction))
|
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{
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zeroFractionHard = zeroFraction;
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}
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continue;
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}
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if (argument.StartsWith("--zero-conj=", StringComparison.OrdinalIgnoreCase))
|
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{
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ReadOnlySpan<char> value = argument.AsSpan("--zero-conj=".Length);
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int colon = value.IndexOf(':');
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if (colon > 0)
|
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{
|
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if (Utf8CliParser.TryParseDouble(value[..colon], out double zeroFrac) &&
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Utf8CliParser.TryParseInt32(value[(colon + 1)..], out int maxZero))
|
||||
{
|
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zeroFractionConjecture = zeroFrac;
|
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maxZeroConjecture = maxZero;
|
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}
|
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}
|
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continue;
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}
|
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if (argument.StartsWith("--lucas=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
mersenneDevice = ParseDevice(argument.AsSpan("--lucas=".Length));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--primes=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
forcePrimeKernelsOnCpu = argument.AsSpan("--primes=".Length).Equals("cpu", StringComparison.OrdinalIgnoreCase);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--gpu-kernels=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
forcePrimeKernelsOnCpu = argument.AsSpan("--gpu-kernels=".Length).Equals("cpu", StringComparison.OrdinalIgnoreCase);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--accelerator=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
forcePrimeKernelsOnCpu = argument.AsSpan("--accelerator=".Length).Equals("cpu", StringComparison.OrdinalIgnoreCase);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--results-dir=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
resultsDirectory = argument["--results-dir=".Length..];
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--results-prefix=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
resultsPrefix = argument["--results-prefix=".Length..];
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--gpu-prime-threads=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
gpuPrimeThreads = Math.Max(1, Utf8CliParser.ParseInt32(argument.AsSpan("--gpu-prime-threads=".Length)));
|
||||
orderDevice = ParseDevice(argument.AsSpan("--order-device=".Length));
|
||||
continue;
|
||||
}
|
||||
|
||||
@@ -600,6 +414,12 @@ namespace EvenPerfectBitScanner;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--gpu-prime-threads=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
gpuPrimeThreads = Math.Max(1, Utf8CliParser.ParseInt32(argument.AsSpan("--gpu-prime-threads=".Length)));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--ll-slice=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
sliceSize = Math.Max(1, Utf8CliParser.ParseInt32(argument.AsSpan("--ll-slice=".Length)));
|
||||
@@ -618,6 +438,54 @@ namespace EvenPerfectBitScanner;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--mod-reduction=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
ReadOnlySpan<char> value = argument.AsSpan("--mod-reduction=".Length);
|
||||
if (value.Equals("uint128", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
modReductionMode = ModReductionMode.GpuUInt128;
|
||||
}
|
||||
else if (value.Equals("mont64", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
modReductionMode = ModReductionMode.Mont64;
|
||||
}
|
||||
else if (value.Equals("barrett128", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
modReductionMode = ModReductionMode.Barrett128;
|
||||
}
|
||||
else
|
||||
{
|
||||
modReductionMode = ModReductionMode.Auto;
|
||||
}
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--ntt=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
ReadOnlySpan<char> value = argument.AsSpan("--ntt=".Length);
|
||||
nttBackend = value.Equals("staged", StringComparison.OrdinalIgnoreCase) ? NttBackend.Staged : NttBackend.Reference;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--order-warmup-limit=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
orderWarmupLimitOverride = Utf8CliParser.ParseUInt64(argument.AsSpan("--order-warmup-limit=".Length));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--divisor-cycles-limit=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
divisorCyclesSearchLimit = Utf8CliParser.ParseUInt64(argument.AsSpan("--divisor-cycles-limit=".Length));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--min-k=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
minK = BigInteger.Parse(argument.AsSpan("--min-k=".Length), NumberStyles.None, CultureInfo.InvariantCulture);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (argument.StartsWith("--filter-p=", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
filterFile = argument["--filter-p=".Length..];
|
||||
@@ -651,6 +519,7 @@ namespace EvenPerfectBitScanner;
|
||||
if (argument.Equals("--divisor-cycles-continue", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
continueCyclesGeneration = true;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -659,15 +528,15 @@ namespace EvenPerfectBitScanner;
|
||||
startPrimeProvided,
|
||||
maxPrimeLimit,
|
||||
maxPrimeConfigured,
|
||||
threadCount,
|
||||
blockSize,
|
||||
gpuPrimeThreads,
|
||||
gpuPrimeBatch,
|
||||
kernelType,
|
||||
useOrder,
|
||||
showHelp,
|
||||
useBitTransform,
|
||||
useLucas,
|
||||
threadCount,
|
||||
blockSize,
|
||||
gpuPrimeThreads,
|
||||
gpuPrimeBatch,
|
||||
kernelType,
|
||||
useOrder,
|
||||
showHelp,
|
||||
useBitTransform,
|
||||
useLucas,
|
||||
useResidue,
|
||||
useDivisor,
|
||||
useByDivisor,
|
||||
@@ -701,7 +570,7 @@ namespace EvenPerfectBitScanner;
|
||||
zeroFractionConjecture,
|
||||
maxZeroConjecture,
|
||||
minK,
|
||||
gpuRatio);
|
||||
gpuRatio);
|
||||
}
|
||||
|
||||
internal static void PrintHelp()
|
||||
@@ -715,14 +584,14 @@ namespace EvenPerfectBitScanner;
|
||||
Console.WriteLine(" --increment=bit|add exponent increment method (default add)");
|
||||
Console.WriteLine(" --threads=<value> number of worker threads");
|
||||
Console.WriteLine(" --mersenne=pow2mod|incremental|lucas|residue|divisor|bydivisor Mersenne test method");
|
||||
Console.WriteLine(" --bydivisor-k-increment=sequential|pow2groups|predictive|percentile|additive|topdown|bitcontradiction k iteration strategy for --mersenne=bydivisor (default sequential)");
|
||||
Console.WriteLine(" --bydivisor-k-increment=sequential|pow2groups|predictive|percentile|additive|topdown|bitcontradiction|bittree k iteration strategy for --mersenne=bydivisor (default sequential)");
|
||||
Console.WriteLine(" --bydivisor-special-range=<n> widen pow2groups special values to +/- n percent (default 0 = points)");
|
||||
Console.WriteLine(" --max-k=<value> max k for Mersenne tests (q = 2*p*k + 1), including --mersenne=bydivisor");
|
||||
Console.WriteLine(" --mersenne-device=cpu|gpu|hybrid Device for Mersenne method (default gpu)");
|
||||
Console.WriteLine(" --primes-device=cpu|gpu device for prime-scan kernels (default gpu)");
|
||||
Console.WriteLine(" --gpu-prime-batch=<n> batch size for GPU primality sieve (default 262144)");
|
||||
Console.WriteLine($" --gpu-ratio=<n> ratio of GPU operations vs CPU in hybrid device mode (default {PerfectNumberConstants.GpuRatio})");
|
||||
Console.WriteLine($" --gpu-ratio=<n> ratio of GPU operations vs CPU in hybrid device mode (default {PerfectNumberConstants.GpuRatio})");
|
||||
Console.WriteLine(" --gpu-prime-threads=<value> max concurrent GPU prime checks (default 1)");
|
||||
Console.WriteLine(" --gpu-prime-batch=<n> batch size for GPU primality sieve (default 262144)");
|
||||
Console.WriteLine(" --gpu-scan-batch=<value> GPU q-scan batch size (default 2_097_152)");
|
||||
Console.WriteLine(" --order-device=cpu|gpu|hybrid Device for order computations (default gpu)");
|
||||
Console.WriteLine(" --ll-slice=<value> Lucas–Lehmer iterations per slice (default 32)");
|
||||
|
||||
Reference in new issue
Block a user