mlemanczyk/even-perfect-numbers-scanner
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GpuPrimeWorkLimiter.Acquire() / .Release() removed to save time on the hot-path with billions of calls. We'll rely on AcceleratorStreamPool limits and synchronization.

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mlemanczyk committed 2025-11-13 17:52:13 +01:00
1 parent 1552e10ff0
commit 0d2a88c45f
17 files changed
+108 -124
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PerfectNumbers.Core/Gpu/MersenneNumberResidueGpuTester.cs
+2 -2
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@@ -25,7 +25,7 @@ public class MersenneNumberResidueGpuTester(bool useGpuOrder)
// GPU residue variant: check 2^p % q == 1 for q = 2*p*k + 1.
public void Scan(ulong exponent, UInt128 twoP, LastDigit lastDigit, UInt128 maxK, ref bool isPrime)
{
GpuPrimeWorkLimiter.Acquire();
// GpuPrimeWorkLimiter.Acquire();
var accelerator = AcceleratorPool.Shared.Rent();
// Monitor.Enter(gpuLease.ExecutionLock);
@@ -110,7 +110,7 @@ public class MersenneNumberResidueGpuTester(bool useGpuOrder)
stream.Dispose();
// Monitor.Exit(gpuLease.ExecutionLock);
gpuKernels.Dispose();
GpuPrimeWorkLimiter.Release();
// GpuPrimeWorkLimiter.Release();
}
private static Action<AcceleratorStream, Index1D, ulong, GpuUInt128, GpuUInt128, byte, ulong, ResidueAutomatonArgs, ArrayView<ulong>, ArrayView1D<ulong, Stride1D.Dense>, ArrayView1D<uint, Stride1D.Dense>, ArrayView1D<uint, Stride1D.Dense>, ArrayView1D<ulong, Stride1D.Dense>, ArrayView1D<ulong, Stride1D.Dense>> GetPow2ModKernel(Accelerator accelerator)