cvs commit: src/lib/libthread_xu/thread thr_mutex.c
David Xu
bsddiy at 126.com
Fri Apr 7 16:09:35 PDT 2006
Matthew Dillon wrote:
> Just on general principle, don't over-use those branch-prediction
> macros. They add a lot of confusion to the code for virtually no
> gain in performance. The less you use them, the better things will
> be.
>
> -Matt
Normally, it will improve static branch prediction, pthread_mutex_lock
is so critical, I want to reduce any overhead, it is still slower than
NPTL because I have to do extra test to dynamically initialize mutex.
David Xu
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