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    SubjectRE: [PATCH] lockref: remove cpu_relax() again
    Date
    > That said, another thing that strikes me is that you have 32 CPU
    > threads, and the stupid test-program I sent out had MAX_THREADS set to
    > 16. Did you change that? Becuase if not, then some of the extreme
    > performance profile might be about how the threads get scheduled on
    > your machine (HT threads vs full cores etc).

    I'll try to get new numbers with 32 threads[*] - but even if they look good, I'd
    be upset about the 16 thread case being worse with the cmpxchg/no-cpu-relax
    case than the original code.

    -Tony

    [*] probably not till tomorrow
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