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Hybrid device mode implemented as the current --mersenne=bydivisor CPU execution path. CPU path is now limited to CPU calculations, only.

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mlemanczyk committed 2025-12-01 03:45:39 +01:00
1 parent 353a121d03
commit 941733905b
49 files changed
+4965 -1726
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PerfectNumbers.Core/Gpu/MersenneNumberDivisorByDivisorGpuTester.cs
+4 -5
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@@ -511,13 +511,12 @@ public sealed partial class MersenneNumberDivisorByDivisorGpuTester : IMersenneN
return composite;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static ulong ResolveDivisorCycle(PrimeOrderCalculatorAccelerator gpu, ulong divisor, ulong prime, in MontgomeryDivisorData divisorData)
{
if (!MersenneDivisorCycles.TryCalculateCycleLengthForExponentCpu(gpu, divisor, prime, divisorData, out ulong computedCycle, out bool primeOrderFailed) || computedCycle == 0UL)
if (!MersenneDivisorCycles.TryCalculateCycleLengthForExponentGpu(gpu, divisor, prime, divisorData, out ulong computedCycle, out bool primeOrderFailed) || computedCycle == 0UL)
{
return MersenneDivisorCycles.CalculateCycleLength(gpu, divisor, divisorData, skipPrimeOrderHeuristic: primeOrderFailed);
return MersenneDivisorCycles.CalculateCycleLengthGpu(gpu, divisor, divisorData, skipPrimeOrderHeuristic: primeOrderFailed);
}
return computedCycle;
@@ -729,9 +728,9 @@ public sealed partial class MersenneNumberDivisorByDivisorGpuTester : IMersenneN
var gpu = _primeOrderCalculatorAccelerator;
if (cycle == 0UL)
{
if (!MersenneDivisorCycles.TryCalculateCycleLengthForExponentCpu(gpu, divisor, firstPrime, divisorData, out ulong computedCycle, out bool primeOrderFailed) || computedCycle == 0UL)
if (!MersenneDivisorCycles.TryCalculateCycleLengthForExponentCpu(divisor, firstPrime, divisorData, out ulong computedCycle, out bool primeOrderFailed) || computedCycle == 0UL)
{
cycle = MersenneDivisorCycles.CalculateCycleLength(gpu, divisor, divisorData, skipPrimeOrderHeuristic: primeOrderFailed);
cycle = MersenneDivisorCycles.CalculateCycleLengthGpu(gpu, divisor, divisorData, skipPrimeOrderHeuristic: primeOrderFailed);
}
else
{