mlemanczyk/even-perfect-numbers-scanner
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Isolate CPU divisor pools per thread

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Marek Lemańczyk committed 2025-10-11 21:17:12 +02:00
1 parent cd69c08fb4
commit 8e9390bc5e
7 files changed
+61 -34
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PerfectNumbers.Core/PrimeFactorPartialResult.cs
+6 -6
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@@ -81,12 +81,12 @@ namespace PerfectNumbers.Core
{
if (_primes is not null)
{
ArrayPool<ulong>.Shared.Return(_primes, clearArray: false);
ThreadLocalArrayPool<ulong>.Shared.Return(_primes, clearArray: false);
}
if (_exponents is not null)
{
ArrayPool<byte>.Shared.Return(_exponents, clearArray: false);
ThreadLocalArrayPool<byte>.Shared.Return(_exponents, clearArray: false);
}
_arraysFromPool = false;
@@ -119,12 +119,12 @@ namespace PerfectNumbers.Core
{
if (_primes is not null)
{
ArrayPool<ulong>.Shared.Return(_primes, clearArray: false);
ThreadLocalArrayPool<ulong>.Shared.Return(_primes, clearArray: false);
}
if (_exponents is not null)
{
ArrayPool<byte>.Shared.Return(_exponents, clearArray: false);
ThreadLocalArrayPool<byte>.Shared.Return(_exponents, clearArray: false);
}
_arraysFromPool = false;
@@ -134,8 +134,8 @@ namespace PerfectNumbers.Core
if (capacity >= PerfectNumberConstants.PooledArrayThreshold)
{
_primes = ArrayPool<ulong>.Shared.Rent(capacity);
_exponents = ArrayPool<byte>.Shared.Rent(capacity);
_primes = ThreadLocalArrayPool<ulong>.Shared.Rent(capacity);
_exponents = ThreadLocalArrayPool<byte>.Shared.Rent(capacity);
_arraysFromPool = true;
}
else