Date: Sun, 12 Nov 2006 20:13:31 +0100 From: Ivan Voras <ivoras@freebsd.org> Cc: threads@freebsd.org, freebsd-current@freebsd.org Subject: Re: libpthread vs libthr. Message-ID: <4557725B.2060804@freebsd.org> In-Reply-To: <4557434C.7080106@elischer.org> References: <20061110151247.GA64530@zone3000.net> <3aaaa3a0611111503m319808c u7e1f710970350044@mail.gmail.com> <4557434C.7080106@elischer.org>
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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).home | help
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