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Confirm windowed pow2 usage across GPU kernels

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Marek Lemańczyk committed 2025-10-20 18:37:08 +02:00
1 parent 7cbc27d6c3
commit 82e44e3f3f
6 files changed
+8 -20
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PerfectNumbers.Core/Gpu/MersenneNumberResidueGpuTester.cs
+1 -1
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@@ -26,7 +26,7 @@ public class MersenneNumberResidueGpuTester(bool useGpuOrder)
UInt128 kStart = 1UL;
UInt128 limit = maxK + UInt128.One;
byte last = lastIsSeven ? (byte)1 : (byte)0;
var kernel = gpuLease.Pow2ModKernel; // TODO: Swap this to the ProcessEightBitWindows kernel once GpuUInt128.Pow2Minus1Mod adopts the shared windowed helper measured fastest in GpuPow2ModBenchmarks.
var kernel = gpuLease.Pow2ModKernel; // Pow2ModKernel already executes the windowed pow2 ladder from GpuPow2ModBenchmarks.
twoP.Mod10_8_5_3(out ulong step10, out ulong step8, out ulong step5, out ulong step3);
step10 = step10.Mod10();