mlemanczyk/even-perfect-numbers-scanner
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App crash fix related to unassigned value

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mlemanczyk committed 2025-11-18 06:02:22 +01:00
1 parent 56be12ab95
commit a5696ca17f
2 files changed
+10 -5
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PerfectNumbers.Core/Gpu/Accelerators/PrimeOrderCalculatorAccelerator.cs
+8 -3
View File
@@ -129,7 +129,7 @@ public sealed class PrimeOrderCalculatorAccelerator
public void EnsureCapacity(int factorsCount, int primeTesterCapacity)
{
Accelerator accelerator = Accelerator;
MemoryBuffer1D<KeyValuePair<ulong, int>, Stride1D.Dense> pow2ModEntriesToTestOnDevice = Pow2ModEntriesToTestOnDevice;
if (pow2ModEntriesToTestOnDevice.Length < factorsCount)
{
@@ -225,8 +225,13 @@ public sealed class PrimeOrderCalculatorAccelerator
.CreateViews();
var smallPrimeFactorTables = SmallPrimeFactorGpuTables.GetStaticTables(acceleratorIndex);
SmallPrimeFactorPrimes = smallPrimeFactorTables.Primes.View;
SmallPrimeFactorSquares = smallPrimeFactorTables.Squares.View;
if (smallPrimeFactorTables.HasValue)
{
SmallPrimeFactorGpuTables tables = smallPrimeFactorTables.Value;
SmallPrimeFactorPrimes = tables.Primes.View;
SmallPrimeFactorSquares = tables.Squares.View;
}
CheckFactorsKernel = KernelUtil.GetKernel(accelerator.LoadStreamKernel<int, ulong, ArrayView1D<KeyValuePair<ulong, int>, Stride1D.Dense>, MontgomeryDivisorData, ArrayView1D<ulong, Stride1D.Dense>>(PrimeOrderGpuHeuristics.CheckFactorsKernel));
PerfectNumbers.Core/Gpu/SmallPrimeFactorGpuTables.cs
+2 -2
View File
@@ -7,10 +7,10 @@ public readonly struct SmallPrimeFactorGpuTables
{
private static readonly Accelerator[] _accelerators = AcceleratorPool.Shared.Accelerators;
private static readonly SmallPrimeFactorGpuTables[] _sharedTables = new SmallPrimeFactorGpuTables[PerfectNumberConstants.RollingAccelerators];
private static readonly SmallPrimeFactorGpuTables?[] _sharedTables = new SmallPrimeFactorGpuTables?[PerfectNumberConstants.RollingAccelerators];
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static SmallPrimeFactorGpuTables GetStaticTables(int acceleratorIndex) => _sharedTables[acceleratorIndex];
internal static SmallPrimeFactorGpuTables? GetStaticTables(int acceleratorIndex) => _sharedTables[acceleratorIndex];
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static void WarmUp(int acceleratorIndex, AcceleratorStream stream) => _sharedTables[acceleratorIndex] = new SmallPrimeFactorGpuTables(_accelerators[acceleratorIndex], stream);