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PartialFactorPendingEntry changed back to struct for better performance.

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mlemanczyk committed 2025-12-13 14:26:55 +01:00
1 parent a185149eba
commit 96bb6a4340
2 files changed
+8 -37
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PerfectNumbers.Core/PartialFactorPendingEntry.cs
+2 -30
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@@ -2,37 +2,9 @@ using System.Runtime.CompilerServices;
namespace PerfectNumbers.Core;
public sealed class PartialFactorPendingEntry(ulong value, bool knownComposite)
public struct PartialFactorPendingEntry(ulong value, bool knownComposite)
{
[ThreadStatic]
private static PartialFactorPendingEntry? _poolHead;
private PartialFactorPendingEntry? _next;
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public static PartialFactorPendingEntry Rent(ulong value, bool knownComposite)
{
var poolHead = _poolHead;
if (poolHead == null)
{
return new(value, knownComposite);
}
_poolHead = poolHead._next;
poolHead.Value = value;
poolHead.KnownComposite = knownComposite;
poolHead.HasKnownPrimality = knownComposite;
poolHead.IsPrime = false;
return poolHead;
}
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
public static void Return(PartialFactorPendingEntry entry)
{
entry._next = _poolHead;
_poolHead = entry;
}
public ulong Value = value;
public readonly ulong Value = value;
public bool KnownComposite = knownComposite;
public bool HasKnownPrimality = knownComposite;
public bool IsPrime = false;