mlemanczyk/even-perfect-numbers-scanner
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GPU memory allocations protected with lock to prevent shared memory access issues. GPU usage limited for the best performance.

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mlemanczyk committed 2025-11-19 16:49:01 +01:00
1 parent 02d16bf05c
commit 5cac51479e
12 files changed
+236 -148
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PerfectNumbers.Core/PrimeTester.cs
+5 -2
View File
@@ -207,6 +207,8 @@ public sealed class PrimeTester
int pos = 0;
AcceleratorStream stream = AcceleratorStreamPool.Rent(acceleratorIndex);
var kernelLauncher = kernel.CreateLauncherDelegate<Action<AcceleratorStream, Index1D, ArrayView<ulong>, ArrayView<uint>, ArrayView<uint>, ArrayView<uint>, ArrayView<uint>, ArrayView<ulong>, ArrayView<ulong>, ArrayView<ulong>, ArrayView<ulong>, ArrayView<byte>>>();
while (pos < totalLength)
{
int remaining = totalLength - pos;
@@ -215,7 +217,7 @@ public sealed class PrimeTester
var valueSlice = values.Slice(pos, count);
inputView.CopyFromCPU(stream, valueSlice);
kernel.Launch(
kernelLauncher(
stream,
count,
inputView,
@@ -285,8 +287,9 @@ public sealed class PrimeTester
AcceleratorStream stream = AcceleratorStreamPool.Rent(acceleratorIndex);
inputBuffer.View.CopyFromCPU(stream, values);
var kernelLauncher = kernel.CreateLauncherDelegate<Action<AcceleratorStream, Index1D, ArrayView<ulong>, ArrayView<byte>>>();
kernel.Launch(stream, length, inputBuffer.View, resultBuffer.View);
kernelLauncher(stream, length, inputBuffer.View, resultBuffer.View);
resultBuffer.View.CopyToCPU(stream, in results);
stream.Synchronize();