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GPU calculations disabled again

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mlemanczyk committed 2025-10-17 05:09:13 +02:00
1 parent d30a915890
commit 38b3df9405
1 file changed
+10 -10
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PerfectNumbers.Core/PrimeOrderCalculator.Cpu.cs
+10 -10
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@@ -317,7 +317,7 @@ internal static partial class PrimeOrderCalculator
bool gpuStackRemainders = false; bool gpuStackRemainders = false;
GpuPow2ModStatus status = GpuPow2ModStatus.Unavailable; GpuPow2ModStatus status = GpuPow2ModStatus.Unavailable;
// if (allowGpuBatch && IsGpuPow2Allowed) if (allowGpuBatch && IsGpuPow2Allowed)
{ {
if (batchSize <= StackGpuBatchSize) if (batchSize <= StackGpuBatchSize)
{ {
@@ -638,17 +638,17 @@ internal static partial class PrimeOrderCalculator
private static bool Pow2EqualsOneCpu(ulong exponent, ulong prime, in MontgomeryDivisorData divisorData) private static bool Pow2EqualsOneCpu(ulong exponent, ulong prime, in MontgomeryDivisorData divisorData)
{ {
// if (IsGpuPow2Allowed) if (IsGpuPow2Allowed)
// { {
ulong remainder = exponent.Pow2MontgomeryModWindowedGpu(divisorData, false); // ulong remainder = exponent.Pow2MontgomeryModWindowedGpu(divisorData, false);
// GpuPow2ModStatus status = PrimeOrderGpuHeuristics.TryPow2Mod(exponent, prime, out ulong remainder, divisorData); GpuPow2ModStatus status = PrimeOrderGpuHeuristics.TryPow2Mod(exponent, prime, out ulong remainder, divisorData);
// if (status == GpuPow2ModStatus.Success) if (status == GpuPow2ModStatus.Success)
// { {
return remainder == 1UL; return remainder == 1UL;
// } }
// } }
// return exponent.Pow2MontgomeryModWindowedCpu(divisorData, keepMontgomery: false) == 1UL; return exponent.Pow2MontgomeryModWindowedCpu(divisorData, keepMontgomery: false) == 1UL;
} }
// [ThreadStatic] // [ThreadStatic]