mlemanczyk/even-perfect-numbers-scanner
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HeuristicCombinedPrimeTesterAccelerator integrated with PrimeOrderCalculatorAccelerator.

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mlemanczyk committed 2025-11-17 17:38:23 +01:00
1 parent 183b147135
commit f630bfb598
9 files changed
+67 -215
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PerfectNumbers.Core/PrimeOrderCalculator.Gpu.cs
+2 -2
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@@ -12,13 +12,13 @@ internal static partial class PrimeOrderCalculator
private const int GpuSmallPrimeFactorSlots = 64;
private static ulong CalculateByFactorizationGpu(PrimeOrderCalculatorAccelerator gpu, HeuristicCombinedPrimeTesterAccelerator gpu2, ulong prime, in MontgomeryDivisorData divisorData)
private static ulong CalculateByFactorizationGpu(PrimeOrderCalculatorAccelerator gpu, ulong prime, in MontgomeryDivisorData divisorData)
{
ulong phi = prime - 1UL;
Dictionary<ulong, int> counts = gpu.Pow2ModEntriesToTestOnHost;
counts.Clear();
FactorCompletelyCpu(gpu2, phi, counts);
FactorCompletelyCpu(gpu, phi, counts);
if (counts.Count == 0)
{
return phi;