mlemanczyk/even-perfect-numbers-scanner
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MontgomeryDivisorData converted to a pooled class to limit GC pressure. MontgomeryDivisorDataGpu added for GPU operations. PrimeOrderCalculator kernels precompiled during warmup.

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mlemanczyk committed 2025-11-24 15:14:31 +01:00
1 parent 07efd5d2a1
commit 070e2a14fd
32 files changed
+310 -192
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PerfectNumbers.Core/PrimeOrderCalculator.Gpu.cs
+2 -2
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@@ -44,7 +44,7 @@ internal static partial class PrimeOrderCalculator
// var kernelLauncher = gpu.CheckFactorsKernelLauncher;
var kernel = gpu.CheckFactorsKernel;
kernel.Launch(stream, 1, entryCount, phi, gpu.Pow2ModEntriesToTestOnDevice.View, divisorData, gpu.OutputUlong.View);
kernel.Launch(stream, 1, entryCount, phi, gpu.Pow2ModEntriesToTestOnDevice.View, divisorData.Modulus, divisorData.NPrime, divisorData.MontgomeryOne, divisorData.MontgomeryTwo, divisorData.MontgomeryTwoSquared, gpu.OutputUlong.View);
gpu.OutputUlong.View.CopyToCPU(stream, ref order, 1);
stream.Synchronize();
@@ -146,7 +146,7 @@ internal static partial class PrimeOrderCalculator
phi,
specialMaxFactorsView,
factorCount,
divisorData,
divisorData.Modulus,
gpu.OutputUlong.View,
specialMaxResultView);