mlemanczyk/even-perfect-numbers-scanner
1
0 Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

HeuristicCombinedPrimeTesterAccelerator integrated with PrimeOrderCalculatorAccelerator.

Browse Source
This commit is contained in:
mlemanczyk committed 2025-11-17 17:38:23 +01:00
1 parent 183b147135
commit f630bfb598
9 files changed
+67 -215
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

PerfectNumbers.Core/HeuristicCombinedPrimeTester.cs
+6 -9
View File
@@ -173,20 +173,20 @@ public sealed class HeuristicCombinedPrimeTester
{
byte nMod10 = (byte)n.Mod10();
ulong maxDivisorSquare = ComputeHeuristicDivisorSquareLimit(n);
var gpu = HeuristicCombinedPrimeTesterAccelerator.Rent(1);
var gpu = PrimeOrderCalculatorAccelerator.Rent(1);
bool isPrime = IsPrimeGpu(gpu, n, maxDivisorSquare, nMod10);
HeuristicCombinedPrimeTesterAccelerator.Return(gpu);
PrimeOrderCalculatorAccelerator.Return(gpu);
return isPrime;
}
public static bool IsPrimeGpu(HeuristicCombinedPrimeTesterAccelerator gpu, ulong n)
public static bool IsPrimeGpu(PrimeOrderCalculatorAccelerator gpu, ulong n)
{
byte nMod10 = (byte)n.Mod10();
ulong maxDivisorSquare = ComputeHeuristicDivisorSquareLimit(n);
return IsPrimeGpu(gpu, n, maxDivisorSquare, nMod10);
}
public static bool IsPrimeGpu(HeuristicCombinedPrimeTesterAccelerator gpu, ulong n, ulong maxDivisorSquare, byte nMod10)
public static bool IsPrimeGpu(PrimeOrderCalculatorAccelerator gpu, ulong n, ulong maxDivisorSquare, byte nMod10)
{
// TODO: Is this condition ever met on the execution path in EvenPerfectBitScanner?
if (maxDivisorSquare < 9UL)
@@ -233,10 +233,8 @@ public sealed class HeuristicCombinedPrimeTester
};
private static bool HeuristicTrialDivisionGpuDetectsDivisor(HeuristicCombinedPrimeTesterAccelerator gpu, ulong n, ulong maxDivisorSquare, byte nMod10)
private static bool HeuristicTrialDivisionGpuDetectsDivisor(PrimeOrderCalculatorAccelerator gpu, ulong n, ulong maxDivisorSquare, byte nMod10)
{
// GpuPrimeWorkLimiter.Acquire();
// var gpu = HeuristicCombinedPrimeTesterAccelerator.Rent(1);
var acceleratorIndex = gpu.AcceleratorIndex;
var stream = AcceleratorStreamPool.Rent(acceleratorIndex);
var kernel = gpu.HeuristicCombinedTrialDivisionKernel;
@@ -264,7 +262,6 @@ public sealed class HeuristicCombinedPrimeTester
// GpuPrimeWorkLimiter.Release();
compositeDetected = compositeFlag != 0;
HeuristicCombinedPrimeTesterAccelerator.Return(gpu);
return compositeDetected;
}
@@ -499,7 +496,7 @@ public sealed class HeuristicCombinedPrimeTester
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static ulong ResolveHeuristicCycleLength(
HeuristicCombinedPrimeTesterAccelerator gpu,
PrimeOrderCalculatorAccelerator gpu,
ulong exponent,
in HeuristicDivisorPreparation preparation,
out bool cycleFromHint,