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[mono] limit DegreeOfParallelism to 16 #369

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Nov 4, 2019
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[mono] limit DegreeOfParallelism to 16 #369

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5 changes: 5 additions & 0 deletions src/System.Linq.Parallel/src/System/Linq/Parallel/Scheduling/Scheduling.cs
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Expand Up @@ -47,8 +47,13 @@ internal static class Scheduling
// The number of milliseconds before we assume a producer has been zombied.
internal const int ZOMBIED_PRODUCER_TIMEOUT = Timeout.Infinite;

#if MONO
/* limit to degree of 16 to avoid too much contention */
internal const int MAX_SUPPORTED_DOP = 16;
#else
// The largest number of partitions that PLINQ supports.
internal const int MAX_SUPPORTED_DOP = 512;
#endif


//-----------------------------------------------------------------------------------
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