31 lines
818 B
C#
31 lines
818 B
C#
namespace PerfectNumbers.Core.Cpu;
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internal struct FactorCacheLease
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{
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private Dictionary<ulong, MersenneDivisorCycles.FactorCacheEntry>? _cache;
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public void EnsureInitialized(ref Dictionary<ulong, MersenneDivisorCycles.FactorCacheEntry>? cache)
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{
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Dictionary<ulong, MersenneDivisorCycles.FactorCacheEntry>? current = cache;
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if (current is null)
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{
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current = ThreadStaticPools.RentMersenneFactorCacheDictionary();
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cache = current;
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}
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_cache = current;
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}
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public void Dispose()
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{
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Dictionary<ulong, MersenneDivisorCycles.FactorCacheEntry>? cache = _cache;
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if (cache is null)
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{
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return;
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}
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ThreadStaticPools.ReturnMersenneFactorCacheDictionary(cache);
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_cache = null;
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}
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}
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