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Use Thread.GetCurrentProcessorId as Counter bucket index #820

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Use Thread.GetCurrentProcessorId as Counter bucket index #820

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77ffbdd
use proc id
Aug 26, 2026
4b4767a
limit
Aug 26, 2026
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9 changes: 8 additions & 1 deletion BitFaster.Caching/Counters/Striped64.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -81,8 +81,11 @@ namespace BitFaster.Caching.Counters
public abstract class Striped64
{
// Number of CPUS, to place bound on table size
#if NETCOREAPP2_1_OR_GREATER
private static readonly int MaxBuckets = BitOps.CeilingPowerOfTwo(Environment.ProcessorCount);
#else
private static readonly int MaxBuckets = Environment.ProcessorCount * 4;

#endif
/// <summary>
/// The base value used mainly when there is no contention, but also as a fallback
/// during table initialization races. Updated via CAS.
Expand Down Expand Up @@ -135,7 +138,11 @@ private void VolatileWriteNotBusy()
protected static int GetProbe()
{
// Note: this results in higher throughput than introducing a random.
#if NETCOREAPP2_1_OR_GREATER
return Thread.GetCurrentProcessorId();
#else
return Environment.CurrentManagedThreadId;
#endif
}

/**
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