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MontgomeryDivisorDataPool.Rent / .Return removed as we no longer pool Montgomery divisor data. UInt128Extensions.MontgomeryDivisorDataPool variables optimized.

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mlemanczyk committed 2025-12-16 02:27:29 +01:00
1 parent b7773adad8
commit 3c80221105
27 files changed
+260 -476
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PerfectNumbers.Core/Cpu/MersenneCpuDivisorScanSession.cs
+8 -8
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@@ -5,20 +5,20 @@ namespace PerfectNumbers.Core.Cpu;
internal sealed class MersenneCpuDivisorScanSession(PrimeOrderCalculatorAccelerator gpu, ComputationDevice orderDevice) : IMersenneNumberDivisorByDivisorTester.IDivisorScanSession
{
private Func<ulong, ulong> _getCycleLength = orderDevice switch
private Func<ulong, MontgomeryDivisorData, ulong> _getCycleLength = orderDevice switch
{
ComputationDevice.Gpu => divisor => DivisorCycleCache.Shared.GetCycleLengthGpu(gpu, divisor),
ComputationDevice.Hybrid => divisor => DivisorCycleCache.Shared.GetCycleLengthHybrid(gpu, divisor),
_ => static (divisor) => DivisorCycleCache.Shared.GetCycleLengthCpu(divisor),
ComputationDevice.Gpu => (divisor, divisorData) => DivisorCycleCache.Shared.GetCycleLengthGpu(gpu, divisor, divisorData),
ComputationDevice.Hybrid => (divisor, divisorData) => DivisorCycleCache.Shared.GetCycleLengthHybrid(gpu, divisor, divisorData),
_ => static (divisor, divisorData) => DivisorCycleCache.Shared.GetCycleLengthCpu(divisor, divisorData),
};
public void Configure(PrimeOrderCalculatorAccelerator gpu, ComputationDevice orderDevice)
{
_getCycleLength = orderDevice switch
{
ComputationDevice.Gpu => divisor => DivisorCycleCache.Shared.GetCycleLengthGpu(gpu, divisor),
ComputationDevice.Hybrid => divisor => DivisorCycleCache.Shared.GetCycleLengthHybrid(gpu, divisor),
_ => static (divisor) => DivisorCycleCache.Shared.GetCycleLengthCpu(divisor),
ComputationDevice.Gpu => (divisor, divisorData) => DivisorCycleCache.Shared.GetCycleLengthGpu(gpu, divisor, divisorData),
ComputationDevice.Hybrid => (divisor, divisorData) => DivisorCycleCache.Shared.GetCycleLengthHybrid(gpu, divisor, divisorData),
_ => static (divisor, divisorData) => DivisorCycleCache.Shared.GetCycleLengthCpu(divisor, divisorData),
};
}
@@ -45,7 +45,7 @@ internal sealed class MersenneCpuDivisorScanSession(PrimeOrderCalculatorAccelera
if (divisorCycle == 0UL)
{
divisorCycle = _getCycleLength(divisor);
divisorCycle = _getCycleLength(divisor, divisorData);
// This never kicks off in production code
// if (divisorCycle == 0UL)
// {