mlemanczyk/even-perfect-numbers-scanner
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Switched to GPU version in some places.

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mlemanczyk committed 2025-10-27 15:30:10 +01:00
1 parent 1bd3d5c163
commit 50d66a5186
2 files changed
+10 -4
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PerfectNumbers.Core/MersenneDivisorCycles.cs
+4 -2
View File
@@ -398,7 +398,8 @@ public class MersenneDivisorCycles
// Atomic.Add(ref _tryFactorIntoCountsInternalHits, 1UL); // Atomic.Add(ref _tryFactorIntoCountsInternalHits, 1UL);
// Console.WriteLine($"MersenneDivisorCycles.TryFactorIntoCountsInternal hits {Volatile.Read(ref _tryFactorIntoCountsInternalHits)}"); // Console.WriteLine($"MersenneDivisorCycles.TryFactorIntoCountsInternal hits {Volatile.Read(ref _tryFactorIntoCountsInternalHits)}");
if (PrimeTester.IsPrimeCpu(remaining, CancellationToken.None)) if (PrimeTester.IsPrimeGpu(remaining))
// if (PrimeTester.IsPrimeCpu(remaining, CancellationToken.None))
{ {
AddFactor(counts, remaining); AddFactor(counts, remaining);
return true; return true;
@@ -937,7 +938,8 @@ public class MersenneDivisorCycles
// } // }
// if (!skipPrimeOrderHeuristic && HeuristicPrimeTester.Exclusive.IsPrimeCpu(divisor, CancellationToken.None)) // if (!skipPrimeOrderHeuristic && HeuristicPrimeTester.Exclusive.IsPrimeCpu(divisor, CancellationToken.None))
if (!skipPrimeOrderHeuristic && PrimeTester.IsPrimeCpu(divisor, CancellationToken.None)) if (!skipPrimeOrderHeuristic && PrimeTester.IsPrimeGpu(divisor))
// if (!skipPrimeOrderHeuristic && PrimeTester.IsPrimeCpu(divisor, CancellationToken.None))
{ {
ulong computedOrder = PrimeOrderCalculator.Calculate( ulong computedOrder = PrimeOrderCalculator.Calculate(
divisor, divisor,
PerfectNumbers.Core/PrimeOrderCalculator.Cpu.cs
+6 -2
View File
@@ -1133,6 +1133,7 @@ internal static partial class PrimeOrderCalculator
// Atomic.Add(ref _partialFactorHits, 1UL); // Atomic.Add(ref _partialFactorHits, 1UL);
// Console.WriteLine($"Partial factor hits {Volatile.Read(ref _partialFactorHits)}"); // Console.WriteLine($"Partial factor hits {Volatile.Read(ref _partialFactorHits)}");
// bool isPrime = PrimeTester.IsPrimeCpu(composite, CancellationToken.None);
bool isPrime = PrimeTester.IsPrimeGpu(composite); bool isPrime = PrimeTester.IsPrimeGpu(composite);
// bool isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(composite); // bool isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(composite);
@@ -1200,6 +1201,7 @@ internal static partial class PrimeOrderCalculator
// Atomic.Add(ref _partialFactorPendingHits, 1UL); // Atomic.Add(ref _partialFactorPendingHits, 1UL);
// Console.WriteLine($"Partial factor pending hits {Volatile.Read(ref _partialFactorPendingHits)}"); // Console.WriteLine($"Partial factor pending hits {Volatile.Read(ref _partialFactorPendingHits)}");
// bool isPrime = PrimeTester.IsPrimeCpu(composite, CancellationToken.None);
bool isPrime = PrimeTester.IsPrimeGpu(composite); bool isPrime = PrimeTester.IsPrimeGpu(composite);
// bool isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(composite); // bool isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(composite);
@@ -1238,6 +1240,7 @@ internal static partial class PrimeOrderCalculator
// Console.WriteLine($"Partial factor cofactor hits {Volatile.Read(ref _partialFactorCofactorHits)}"); // Console.WriteLine($"Partial factor cofactor hits {Volatile.Read(ref _partialFactorCofactorHits)}");
cofactorIsPrime = PrimeTester.IsPrimeCpu(cofactor, CancellationToken.None); cofactorIsPrime = PrimeTester.IsPrimeCpu(cofactor, CancellationToken.None);
// cofactorIsPrime = PrimeTester.IsPrimeGpu(cofactor);
// cofactorIsPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(cofactor); // cofactorIsPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(cofactor);
} }
@@ -1774,8 +1777,8 @@ internal static partial class PrimeOrderCalculator
// PrimeTester primeTester = PrimeTester.Exclusive; // PrimeTester primeTester = PrimeTester.Exclusive;
// bool isPrime = primeTester.HeuristicIsPrimeGpu(value); // bool isPrime = primeTester.HeuristicIsPrimeGpu(value);
// bool isPrime = PrimeTester.IsPrimeCpu(value, CancellationToken.None);
bool isPrime = PrimeTester.IsPrimeCpu(value, CancellationToken.None); bool isPrime = PrimeTester.IsPrimeCpu(value, CancellationToken.None);
// bool isPrime = PrimeTester.IsPrimeGpu(value);
// bool isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(value); // bool isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(value);
if (!knownComposite && isPrime) if (!knownComposite && isPrime)
{ {
@@ -1790,8 +1793,8 @@ internal static partial class PrimeOrderCalculator
// Console.WriteLine($"Factor completely after PollardRho hits {Volatile.Read(ref _factorCompletelyPollardRhoHits)}"); // Console.WriteLine($"Factor completely after PollardRho hits {Volatile.Read(ref _factorCompletelyPollardRhoHits)}");
// isPrime = primeTester.HeuristicIsPrimeGpu(factor); // isPrime = primeTester.HeuristicIsPrimeGpu(factor);
// isPrime = PrimeTester.IsPrimeCpu(factor, CancellationToken.None);
isPrime = PrimeTester.IsPrimeCpu(factor, CancellationToken.None); isPrime = PrimeTester.IsPrimeCpu(factor, CancellationToken.None);
// isPrime = PrimeTester.IsPrimeGpu(factor);
// isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(factor); // isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(factor);
if (isPrime) if (isPrime)
{ {
@@ -1828,6 +1831,7 @@ internal static partial class PrimeOrderCalculator
// Console.WriteLine($"Partial factor cofactor hits {Volatile.Read(ref _partialFactorCofactorHits)}"); // Console.WriteLine($"Partial factor cofactor hits {Volatile.Read(ref _partialFactorCofactorHits)}");
isPrime = PrimeTester.IsPrimeCpu(quotient, CancellationToken.None); isPrime = PrimeTester.IsPrimeCpu(quotient, CancellationToken.None);
// isPrime = PrimeTester.IsPrimeGpu(quotient);
// isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(quotient); // isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(quotient);
} }