mlemanczyk/even-perfect-numbers-scanner
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Batch size made dynamic - dependent on the value

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mlemanczyk committed 2025-10-30 02:43:15 +01:00
1 parent 30af16a4f6
commit e14b77e504
4 files changed
+846 -861
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PerfectNumbers.Core/PrimeTester.cs
+10 -5
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@@ -273,6 +273,7 @@ public sealed class PrimeTester
public MemoryBuffer1D<byte, Stride1D.Dense> Output;
public MemoryBuffer1D<int, Stride1D.Dense> HeuristicFlag;
public int BufferCapacity;
public ulong[] DivisorArray;
internal PrimeTesterGpuContextLease(int minBufferCapacity)
{
@@ -321,16 +322,18 @@ public sealed class PrimeTester
DevicePrimesPow2LastNine = Accelerator.Allocate1D<ulong>(primesPow2LastNine.Length);
DevicePrimesPow2LastNine.View.CopyFromCPU(primesPow2LastNine);
BufferCapacity = minBufferCapacity < 1 ? 1 : minBufferCapacity;
Input = Accelerator.Allocate1D<ulong>(BufferCapacity);
Output = Accelerator.Allocate1D<byte>(BufferCapacity);
HeuristicFlag = Accelerator.Allocate1D<int>(BufferCapacity);
BufferCapacity = minBufferCapacity;
Input = Accelerator.Allocate1D<ulong>(minBufferCapacity);
Output = Accelerator.Allocate1D<byte>(minBufferCapacity);
HeuristicFlag = Accelerator.Allocate1D<int>(minBufferCapacity);
DivisorArray = ThreadStaticPools.UlongPool.Rent(minBufferCapacity);
_returned = false;
}
public void EnsureCapacity(int minCapacity)
{
int required = minCapacity < 1 ? 1 : minCapacity;
int required = minCapacity;
if (required <= BufferCapacity)
{
return;
@@ -339,9 +342,11 @@ public sealed class PrimeTester
Input.Dispose();
Output.Dispose();
HeuristicFlag.Dispose();
ThreadStaticPools.UlongPool.Return(DivisorArray);
Input = Accelerator.Allocate1D<ulong>(required);
Output = Accelerator.Allocate1D<byte>(required);
HeuristicFlag = Accelerator.Allocate1D<int>(required);
DivisorArray = ThreadStaticPools.UlongPool.Rent(required);
BufferCapacity = required;
}