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Increased performance on 16+ core CPUs by limiting VRAD. #106

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Increased performance on 16+ core CPUs by limiting VRAD. #106

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ee0dc03
Merge pull request #1 from ruarai/master
Lpfreaky90 Mar 17, 2020
5dcef5e
Added 16-thread limiter to VRAD
Lpfreaky90 Mar 17, 2020
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9 changes: 9 additions & 0 deletions CompilePalX/Compilers/CompileExecutable.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,15 @@ public override void Run(CompileContext c)
Process.Start();
Process.PriorityClass = ProcessPriorityClass.BelowNormal;

//VRAD can only use up to 16 cores, more cores reduces performance, and increased compile time.
//By assigning affinity to the process significantly speed up compiles on CPUs with more than 16 cores.
if (this.Name == "VRAD" &&
Environment.ProcessorCount > 16)
{
//Hex 0xffff means core use core 0 through 15.
Process.ProcessorAffinity = (IntPtr)0xffff;
}

if (Metadata.ReadOutput)
readOutput();
}
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