Re: libpthread vs libthr.

From: Ivan Voras <ivoras_at_freebsd.org>
Date: Sun, 12 Nov 2006 20:13:31 +0100
Julian Elischer wrote:

> this is interesting.. there has been a call to remove "fairness"
> as a threading property as it complicates the scheduler.
> It has been said by many that they do not consider this as an important
> feature and it reduces throughput.

IMO both sides are right and fairness should be optional. It will
certainly help some workloads and harm others; leaving it as a (default)
kernel compile option is fine for now, as long as it's documented how to
toggle it (in pthread man page at least).
Received on Sun Nov 12 2006 - 18:13:51 UTC

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