mlemanczyk/even-perfect-numbers-scanner
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Kernels replaced with pre-compiled actions for better performance

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mlemanczyk committed 2025-11-20 03:00:11 +01:00
1 parent df04ba601c
commit 497b1fcf89
7 files changed
+39 -66
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PerfectNumbers.Core/Gpu/Pow2MontgomeryGpuCalculator.cs
+1 -4
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@@ -18,16 +18,13 @@ public static class Pow2MontgomeryGpuCalculator
Accelerator? accelerator = gpu.Accelerator;
MemoryBuffer1D<ulong, Stride1D.Dense> exponentBuffer = gpu.Input;
MemoryBuffer1D<ulong, Stride1D.Dense> resultBuffer = gpu.OutputUlong;
var kernel = gpu.KeepMontgomeryKernel;
AcceleratorStream stream = AcceleratorStreamPool.Rent(acceleratorIndex);
exponentBuffer.View.CopyFromCPU(stream, ref exponent, 1);
// We don't need to worry about any left-overs here.
// resultBuffer.MemSetToZero(stream);
var kernelLauncher = kernel.CreateLauncherDelegate<Action<AcceleratorStream, Index1D, ArrayView1D<ulong, Stride1D.Dense>, MontgomeryDivisorData, ArrayView1D<ulong, Stride1D.Dense>>>();
var kernelLauncher = gpu.KeepMontgomeryKernelLauncher;
kernelLauncher(stream, 1, exponentBuffer.View, divisor, resultBuffer.View);
resultBuffer.View.CopyToCPU(stream, ref result, 1);