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Additional logging added.

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mlemanczyk committed 2025-10-26 20:00:32 +01:00
1 parent 5c9fb47a3d
commit f2ce40ade9
3 files changed
+123 -74
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PerfectNumbers.Core/PrimeOrderCalculator.Cpu.cs
+38 -9
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@@ -4,6 +4,7 @@ using System.Diagnostics;
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using ILGPU;
using PerfectNumbers.Core.Gpu;
namespace PerfectNumbers.Core;
@@ -1019,6 +1020,10 @@ internal static partial class PrimeOrderCalculator
return exponent.Pow2MontgomeryModWindowedCpu(divisorData, keepMontgomery: false) == 1UL;
}
// private static ulong _partialFactorHits;
// private static ulong _partialFactorPendingHits;
// private static ulong _partialFactorCofactorHits;
private static PartialFactorResult PartialFactor(ulong value, in PrimeOrderSearchConfig config)
{
if (value <= 1UL)
@@ -1070,7 +1075,7 @@ internal static partial class PrimeOrderCalculator
// if (!gpuPopulated)
// {
// throw new InvalidOperationException($"GPU didn't populate factors for {value}");
// counts.Clear();
// counts.Clear();
remaining = PopulateSmallPrimeFactorsCpu(value, limit, counts);
// }
@@ -1123,8 +1128,12 @@ internal static partial class PrimeOrderCalculator
// }
// bool isPrime = primeTester.HeuristicIsPrimeGpu(composite);
// bool isPrime = PrimeTester.IsPrimeCpu(composite, CancellationToken.None);
bool isPrime = PrimeTester.IsPrimeCpu(composite, CancellationToken.None);
// bool isPrime = PrimeTester.IsPrimeInternal(composite, CancellationToken.None);
// Atomic.Add(ref _partialFactorHits, 1UL);
// Console.WriteLine($"Partial factor hits {Volatile.Read(ref _partialFactorHits)}");
bool isPrime = PrimeTester.IsPrimeGpu(composite);
// bool isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(composite);
if (isPrime)
@@ -1186,10 +1195,14 @@ internal static partial class PrimeOrderCalculator
if (!entry.HasKnownPrimality)
{
// bool isPrime = primeTester.HeuristicIsPrimeGpu(composite);
// bool isPrime = PrimeTester.IsPrimeCpu(composite, CancellationToken.None);
bool isPrime = PrimeTester.IsPrimeCpu(composite, CancellationToken.None);
// bool isPrime = PrimeTester.IsPrimeInternal(composite, CancellationToken.None);
// Atomic.Add(ref _partialFactorPendingHits, 1UL);
// Console.WriteLine($"Partial factor pending hits {Volatile.Read(ref _partialFactorPendingHits)}");
bool isPrime = PrimeTester.IsPrimeGpu(composite);
// bool isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(composite);
entry = entry.WithPrimality(isPrime);
pending[index] = entry;
}
@@ -1219,7 +1232,11 @@ internal static partial class PrimeOrderCalculator
else
{
// cofactorIsPrime = primeTester.HeuristicIsPrimeGpu(cofactor);
// cofactorIsPrime = PrimeTester.IsPrimeCpu(cofactor, CancellationToken.None);
// cofactorIsPrime = PrimeTester.IsPrimeInternal(cofactor, CancellationToken.None);
// Atomic.Add(ref _partialFactorCofactorHits, 1UL);
// Console.WriteLine($"Partial factor cofactor hits {Volatile.Read(ref _partialFactorCofactorHits)}");
cofactorIsPrime = PrimeTester.IsPrimeCpu(cofactor, CancellationToken.None);
// cofactorIsPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(cofactor);
}
@@ -1741,6 +1758,9 @@ internal static partial class PrimeOrderCalculator
{
FactorCompletely(value, counts, knownComposite: false);
}
// private static ulong _factorCompletelyHits;
// private static ulong _factorCompletelyPollardRhoHits;
private static void FactorCompletely(ulong value, Dictionary<ulong, int> counts, bool knownComposite)
{
@@ -1749,7 +1769,9 @@ internal static partial class PrimeOrderCalculator
return;
}
PrimeTester primeTester = PrimeTester.Exclusive;
// Atomic.Add(ref _factorCompletelyHits, 1UL);
// Console.WriteLine($"Factor completely hits {Volatile.Read(ref _factorCompletelyHits)}");
// PrimeTester primeTester = PrimeTester.Exclusive;
// bool isPrime = primeTester.HeuristicIsPrimeGpu(value);
// bool isPrime = PrimeTester.IsPrimeCpu(value, CancellationToken.None);
@@ -1764,6 +1786,9 @@ internal static partial class PrimeOrderCalculator
ulong factor = PollardRhoStrict(value);
ulong quotient = value / factor;
// Atomic.Add(ref _factorCompletelyPollardRhoHits, 1UL);
// Console.WriteLine($"Factor completely after PollardRho hits {Volatile.Read(ref _factorCompletelyPollardRhoHits)}");
// isPrime = primeTester.HeuristicIsPrimeGpu(factor);
// isPrime = PrimeTester.IsPrimeCpu(factor, CancellationToken.None);
isPrime = PrimeTester.IsPrimeCpu(factor, CancellationToken.None);
@@ -1797,7 +1822,11 @@ internal static partial class PrimeOrderCalculator
else
{
// isPrime = primeTester.HeuristicIsPrimeGpu(quotient);
// isPrime = PrimeTester.IsPrimeCpu(quotient, CancellationToken.None);
// isPrime = PrimeTester.IsPrimeInternal(quotient, CancellationToken.None);
// Atomic.Add(ref _partialFactorCofactorHits, 1UL);
// Console.WriteLine($"Partial factor cofactor hits {Volatile.Read(ref _partialFactorCofactorHits)}");
isPrime = PrimeTester.IsPrimeCpu(quotient, CancellationToken.None);
// isPrime = Open.Numeric.Primes.Prime.Numbers.IsPrime(quotient);
}