mlemanczyk/even-perfect-numbers-scanner
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Merge branch 'main' of https://github.com/mlemanczyk/even-perfect-numbers-scanner

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Marek Lemańczyk committed 2025-09-20 09:41:10 +02:00
2 parents a9e4dc98c4 e2eea432c5
commit b676d89293
3 files changed
+98 -10
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PerfectNumbers.Core/Gpu/GpuKernelPool.cs
+10 -10
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@@ -195,12 +195,12 @@ public ref struct GpuKernelLease(IDisposable limiter, GpuContextLease gpu, Kerne
GpuUInt128 q = twoP.Mul64(k) + GpuUInt128.One;
// Small-cycles in-kernel early rejection from device table
if (q.High == 0UL && q.Low <= (ulong)(smallCycles.Length - 1))
if (q.High == 0UL && q.Low < (ulong)smallCycles.Length)
{
uint cyc = smallCycles[(int)q.Low];
if (cyc != 0U && (exponent % cyc) == 0UL)
if (cyc != 0U && (exponent % cyc) != 0UL)
{
orders[index] = exponent;
orders[index] = 0UL;
return;
}
}
@@ -335,12 +335,12 @@ public ref struct GpuKernelLease(IDisposable limiter, GpuContextLease gpu, Kerne
GpuUInt128 k = kStart + (GpuUInt128)idx;
GpuUInt128 q = twoP.Mul64(k) + GpuUInt128.One;
if (q.High == 0UL && q.Low <= (ulong)(smallCycles.Length - 1))
if (q.High == 0UL && q.Low < (ulong)smallCycles.Length)
{
uint cyc = smallCycles[(int)q.Low];
if (cyc != 0U && (exponent % cyc) == 0UL)
if (cyc != 0U && (exponent % cyc) != 0UL)
{
orders[index] = exponent;
orders[index] = 0UL;
return;
}
}
@@ -458,10 +458,10 @@ public ref struct GpuKernelLease(IDisposable limiter, GpuContextLease gpu, Kerne
GpuUInt128 q = twoP.Mul64(k) + GpuUInt128.One;
// Small-cycles in-kernel early rejection from device table
if (q.High == 0UL && q.Low <= (ulong)(smallCycles.Length - 1))
if (q.High == 0UL && q.Low < (ulong)smallCycles.Length)
{
uint cyc = smallCycles[(int)q.Low];
if (cyc != 0U && (exponent % (ulong)cyc) == 0UL)
if (cyc != 0U && (exponent % (ulong)cyc) != 0UL)
{
return;
}
@@ -532,10 +532,10 @@ public ref struct GpuKernelLease(IDisposable limiter, GpuContextLease gpu, Kerne
GpuUInt128 k = kStart + (GpuUInt128)idx;
GpuUInt128 q = twoP.Mul64(k) + GpuUInt128.One;
// Small-cycles in-kernel early rejection from device table
if (q.High == 0UL && q.Low <= (ulong)(smallCycles.Length - 1))
if (q.High == 0UL && q.Low < (ulong)smallCycles.Length)
{
uint cyc = smallCycles[(int)q.Low];
if (cyc != 0U && (exponent % (ulong)cyc) == 0UL)
if (cyc != 0U && (exponent % (ulong)cyc) != 0UL)
{
return;
}