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MontgomeryDivisorDataPool.Rent / .Return removed as we no longer pool Montgomery divisor data. UInt128Extensions.MontgomeryDivisorDataPool variables optimized.

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mlemanczyk committed 2025-12-16 02:27:29 +01:00
1 parent b7773adad8
commit 3c80221105
27 files changed
+260 -476
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PerfectNumbers.Core/Gpu/PrimeOrderGpuHeuristics.cs
+8 -7
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@@ -163,7 +163,7 @@ internal static partial class PrimeOrderGpuHeuristics
}
[MethodImpl(MethodImplOptions.AggressiveOptimization)]
public static GpuPow2ModStatus TryPow2Mod(PrimeOrderCalculatorAccelerator gpu, ulong exponent, ulong prime, out ulong remainder, in MontgomeryDivisorData? divisorData)
public static GpuPow2ModStatus TryPow2Mod(PrimeOrderCalculatorAccelerator gpu, ulong exponent, ulong prime, out ulong remainder, in MontgomeryDivisorData divisorData)
{
Span<ulong> exponents = stackalloc ulong[1];
Span<ulong> remainders = stackalloc ulong[1];
@@ -175,7 +175,7 @@ internal static partial class PrimeOrderGpuHeuristics
}
[MethodImpl(MethodImplOptions.AggressiveOptimization)]
public static GpuPow2ModStatus TryPow2ModBatch(PrimeOrderCalculatorAccelerator gpu, ReadOnlySpan<ulong> exponents, ulong prime, Span<ulong> remainders, in MontgomeryDivisorData? divisorData)
public static GpuPow2ModStatus TryPow2ModBatch(PrimeOrderCalculatorAccelerator gpu, ReadOnlySpan<ulong> exponents, ulong prime, Span<ulong> remainders, in MontgomeryDivisorData divisorData)
{
// This will never occur in production code
// if (exponents.Length == 0)
@@ -364,7 +364,7 @@ internal static partial class PrimeOrderGpuHeuristics
return GpuPow2ModStatus.Success;
}
private static bool TryComputeOnGpu(PrimeOrderCalculatorAccelerator gpu, ReadOnlySpan<ulong> exponents, ulong prime, MontgomeryDivisorData? divisorData, Span<ulong> results)
private static bool TryComputeOnGpu(PrimeOrderCalculatorAccelerator gpu, ReadOnlySpan<ulong> exponents, ulong prime, MontgomeryDivisorData divisorData, Span<ulong> results)
{
// GpuPrimeWorkLimiter.Acquire();
int acceleratorIndex = gpu.AcceleratorIndex;
@@ -379,10 +379,11 @@ internal static partial class PrimeOrderGpuHeuristics
var exponentBufferView = gpu.InputView;
var remainderBufferView = gpu.OutputUlongView;
if (divisorData is null)
{
divisorData = MontgomeryDivisorData.Empty;
}
// if (divisorData.Equals(MontgomeryDivisorData.Empty) is null)
// if (divisorData is null)
// {
// divisorData = MontgomeryDivisorData.Empty;
// }
AcceleratorStream? stream = AcceleratorStreamPool.Rent(acceleratorIndex);
exponentBufferView.CopyFromCPU(stream, exponents);