mlemanczyk/even-perfect-numbers-scanner
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--gpu-ration command-line argument added. AscendingDivisorRemainderStepper implemented in PrimeTester.IsPrimeCpu. PrimeOrderCalculator.RunOnCpu adjusted for low GPU ratios to prevent infinite increase of the counter.

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mlemanczyk committed 2025-12-02 23:36:18 +01:00
1 parent f43c67c86f
commit 85a90c70bf
9 files changed
+296 -212
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EvenPerfectBitScanner/Program.cs
+10 -5
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@@ -51,22 +51,27 @@ internal static class Program
return;
}
NttGpuMath.GpuTransformBackend = _cliArguments.NttBackend;
NttGpuMath.ReductionMode = _cliArguments.ModReductionMode;
Console.WriteLine("Initializing");
int gpuPrimeThreads = Math.Max(1, _cliArguments.GpuPrimeThreads);
int threadCount = Math.Max(1, _cliArguments.ThreadCount);
PerfectNumberConstants.GpuRatio = _cliArguments.GpuRatio;
PerfectNumberConstants.RollingAccelerators = Math.Min(Math.Min(PerfectNumberConstants.RollingAccelerators, gpuPrimeThreads), threadCount);
// NttGpuMath.GpuTransformBackend = _cliArguments.NttBackend;
// NttGpuMath.ReductionMode = _cliArguments.ModReductionMode;
_runPrimesOnCpu = _cliArguments.ForcePrimeKernelsOnCpu;
ulong currentP = _cliArguments.StartPrime;
ulong remainder = currentP % 6UL;
bool startPrimeProvided = _cliArguments.StartPrimeProvided;
int threadCount = Math.Max(1, _cliArguments.ThreadCount);
int gpuPrimeBatch = Math.Max(1, _cliArguments.GpuPrimeBatch);
// int gpuPrimeThreads = SharedGpuContext.Device.MaxNumThreads;
int gpuPrimeThreads = Math.Max(1, _cliArguments.GpuPrimeThreads);
Console.WriteLine("Setting up parameters");
UnboundedTaskScheduler.ConfigureThreadCount(threadCount);
PrimeTester.GpuBatchSize = gpuPrimeBatch;
GpuPrimeWorkLimiter.SetLimit(gpuPrimeThreads);
Console.WriteLine("Warming up GPU kernels");
PrimeTester.WarmUpGpuKernels(1024);
PrimeTester.WarmUpGpuKernels(PerfectNumberConstants.RollingAccelerators);
// PrimeTester.WarmUpGpuKernels(gpuPrimeThreads >> 4);
Console.WriteLine("Starting up threads...");
_ = UnboundedTaskScheduler.Instance;