mlemanczyk/even-perfect-numbers-scanner
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Address feedback on GPU pooling and heuristic factoring

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Marek Lemańczyk authored and mlemanczyk committed 2025-11-02 11:22:49 +01:00
1 parent 5339c3c304
commit 76dfe108a9
6 files changed
+92 -139
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PerfectNumbers.Core/HeuristicPrimeTester.cs
+11 -18
View File
@@ -252,20 +252,17 @@ public sealed class HeuristicPrimeTester
int groupALength = HeuristicPrimeSieves.GroupADivisors.Length;
if (groupALength > 0)
{
flagView1D.CopyFromCPU(ref compositeFlag, 1);
kernel(
groupALength,
flagView,
n,
maxDivisorSquare,
HeuristicGpuDivisorTableKind.GroupA,
gpu.HeuristicGpuTables);
accelerator.Synchronize();
flagView1D.CopyToCPU(ref compositeFlag, 1);
compositeDetected = compositeFlag != 0;
}
flagView1D.CopyFromCPU(ref compositeFlag, 1);
kernel(
groupALength,
flagView,
n,
maxDivisorSquare,
HeuristicGpuDivisorTableKind.GroupA,
gpu.HeuristicGpuTables);
accelerator.Synchronize();
flagView1D.CopyToCPU(ref compositeFlag, 1);
compositeDetected = compositeFlag != 0;
if (!compositeDetected)
{
@@ -287,10 +284,6 @@ public sealed class HeuristicPrimeTester
}
int divisorLength = GetGroupBDivisors(ending).Length;
if (divisorLength == 0)
{
continue;
}
compositeFlag = 0;
flagView1D.CopyFromCPU(ref compositeFlag, 1);