Re: sched_yield() makes OpenLDAP slow

From: Andi Kleen
Date: Thu Aug 18 2005 - 22:20:11 EST


Bernardo Innocenti <bernie@xxxxxxxxxxx> writes:

It's really more a feature than a bug that it breaks so easily
because they should be really using futexes instead, which
have much better behaviour than any sched_yield ever could
(they will directly wake up another process waiting for the
lock and avoid the thundering herd for contended locks)

-Andi
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