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Re: Poor condvar performance



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Ingo Molnar wrote:

> it turns out that the requeue implementation had to be turned off in the
> CVS a few weeks ago

Not entirely, only for cond_signal.  cond_broadcast still uses requeue
for condvars without pshared.  I don't see how, if requeue works, using
cond_broadcast could create a scheduling storm.  There must be some
other factors involved.

- -- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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