Date: Tue, 16 Mar 2004 16:41:07 +1100 From: Peter Jeremy <PeterJeremy@optushome.com.au> To: Wes Peters <wes@softweyr.com> Cc: freebsd-hackers@freebsd.org Subject: Re: a serious error in sched_ule.c? Message-ID: <20040316054107.GJ56509@cirb503493.alcatel.com.au> In-Reply-To: <20040314211654.05d0bb9f.wes@softweyr.com> References: <Pine.NEB.3.96L.1040309113959.26895J-100000@fledge.watson.org> <200403091201.23665.wes@softweyr.com> <xzpwu5tpxvh.fsf@dwp.des.no> <20040314211654.05d0bb9f.wes@softweyr.com>
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On Sun, Mar 14, 2004 at 09:16:54PM -0800, Wes Peters wrote: >Sigh. Nobody really does compute-bound tasks anymore, do they? I really >miss "scientific programming." seti@home, the mersenne prime project, protein folding and the list goes on (the mersenne prime project web site includes an extensive list of other ways to help your CPU avoid the idle loop). I suspect more people now have a compute-bound process soaking their idle cycles than ever before. (Of course, these processes need to be using an interactive scheduler so the user doesn't notice the background process - even if the compute-bound task runs a bit slower as a result). Of course this isn't quite the same as a vector supercomputer doing "traditional" scientific programming - but no-one's ported FreeBSD to a Cray yet. Peter
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