mlemanczyk/even-perfect-numbers-scanner
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Revert "Stream handling simplified to avoid dictionary lookups in favor of array lookups with known indexes."

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This reverts commit a84445ef2a.
This commit is contained in:
mlemanczyk committed 2025-11-16 17:14:48 +01:00
1 parent a84445ef2a
commit c413ee1162
15 files changed
+73 -67
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PerfectNumbers.Core/PrimeOrderCalculator.Gpu.cs
+4 -4
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@@ -50,7 +50,7 @@ internal static partial class PrimeOrderCalculator
gpu.OutputUlong.View.CopyToCPU(stream, ref order, 1);
stream.Synchronize();
AcceleratorStreamPool.Return(acceleratorIndex);
AcceleratorStreamPool.Return(acceleratorIndex, stream);
// GpuPrimeWorkLimiter.Release();
return order;
@@ -114,7 +114,7 @@ internal static partial class PrimeOrderCalculator
smallPrimeFactorRemainingSlotView.CopyToCPU(stream, ref remaining, 1);
stream.Synchronize();
AcceleratorStreamPool.Return(acceleratorIndex);
AcceleratorStreamPool.Return(acceleratorIndex, stream);
// GpuPrimeWorkLimiter.Release();
for (int i = 0; i < factorCount; i++)
@@ -164,7 +164,7 @@ internal static partial class PrimeOrderCalculator
specialMaxResultView.CopyToCPU(stream, ref result, 1);
stream.Synchronize();
AcceleratorStreamPool.Return(acceleratorIndex);
AcceleratorStreamPool.Return(acceleratorIndex, stream);
// GpuPrimeWorkLimiter.Release();
return result != 0;
}
@@ -190,7 +190,7 @@ internal static partial class PrimeOrderCalculator
gpu.Input.View.CopyToCPU(stream, randomStateSpan);
stream.Synchronize();
AcceleratorStreamPool.Return(acceleratorIndex);
AcceleratorStreamPool.Return(acceleratorIndex, stream);
ThreadStaticDeterministicRandomGpu.Exclusive.SetState(randomStateSpan[0]);
bool factored = factoredSpan[0] != 0;