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PollardRho extended to allow running with 10_240 threads. Configuration made static to prevent unnecessary GC pressure.

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mlemanczyk committed 2025-10-13 20:44:15 +02:00
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commit e9373dd8c9
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PerfectNumbers.Core/PrimeOrderCalculator.cs
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@@ -18,8 +18,8 @@ internal static partial class PrimeOrderCalculator
internal readonly struct PrimeOrderSearchConfig(uint smallFactorLimit, int pollardRhoMilliseconds, int maxPowChecks, PrimeOrderMode mode) internal readonly struct PrimeOrderSearchConfig(uint smallFactorLimit, int pollardRhoMilliseconds, int maxPowChecks, PrimeOrderMode mode)
{ {
public static PrimeOrderSearchConfig HeuristicDefault => new(smallFactorLimit: 4_000_000, pollardRhoMilliseconds: 24 * 2048, maxPowChecks: 24, PrimeOrderMode.Heuristic); public static readonly PrimeOrderSearchConfig HeuristicDefault = new(smallFactorLimit: 4_000_000, pollardRhoMilliseconds: 24 * 10_240, maxPowChecks: 24, PrimeOrderMode.Heuristic);
public static PrimeOrderSearchConfig StrictDefault => new(smallFactorLimit: 1_000_000, pollardRhoMilliseconds: 0, maxPowChecks: 0, PrimeOrderMode.Strict); public static readonly PrimeOrderSearchConfig StrictDefault = new(smallFactorLimit: 1_000_000, pollardRhoMilliseconds: 0, maxPowChecks: 0, PrimeOrderMode.Strict);
public readonly uint SmallFactorLimit = smallFactorLimit; public readonly uint SmallFactorLimit = smallFactorLimit;
public readonly int PollardRhoMilliseconds = pollardRhoMilliseconds; public readonly int PollardRhoMilliseconds = pollardRhoMilliseconds;