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50 lines
1.4 KiB
C#
50 lines
1.4 KiB
C#
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using System;
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namespace ARMeilleure.Translation.PTC
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{
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class DegreeOfParallelism
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{
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public double GiBRef { get; } // GiB.
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public double WeightRef { get; } // %.
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public double IncrementByGiB { get; } // %.
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private double _coefficient;
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public DegreeOfParallelism(double gibRef, double weightRef, double incrementByGiB)
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{
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GiBRef = gibRef;
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WeightRef = weightRef;
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IncrementByGiB = incrementByGiB;
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_coefficient = weightRef - (incrementByGiB * gibRef);
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}
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public int GetDegreeOfParallelism(int min, int max)
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{
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double degreeOfParallelism = (GetProcessorCount() * GetWeight(GetAvailableMemoryGiB())) / 100d;
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return Math.Clamp((int)Math.Round(degreeOfParallelism), min, max);
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}
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public static double GetProcessorCount()
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{
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return (double)Environment.ProcessorCount;
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}
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public double GetWeight(double gib)
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{
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return (IncrementByGiB * gib) + _coefficient;
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}
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public static double GetAvailableMemoryGiB()
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{
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GCMemoryInfo gcMemoryInfo = GC.GetGCMemoryInfo();
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return FromBytesToGiB(gcMemoryInfo.TotalAvailableMemoryBytes - gcMemoryInfo.MemoryLoadBytes);
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}
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private static double FromBytesToGiB(long bytes)
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{
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return Math.ScaleB((double)bytes, -30);
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}
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}
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}
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