On Sat, 2002-03-16 at 22:50, Rusty Russell wrote:

> Only vs. pthread_cond_broadcast.

No.  pthread_barrier_wait has the same problem.  It has to wake up lots
of thread.

> And if you're using that you probably
> have some other performance issues anyway?

Why?  Conditional variables are of use in situations with loosely
coupled threads.

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