Date: Mon, 25 Nov 2002 17:13:07 +0100 From: Jan Schlesner <jschlesn@physik.TU-Berlin.DE> To: freebsd-stable@freebsd.org Subject: Re: running many programs on multiprocessor system Message-ID: <20021125161307.GB85321@physik.TU-Berlin.DE> In-Reply-To: <3DE14D21.8070905@math.missouri.edu> References: <3DE149C7.2030607@math.missouri.edu> <3DE14D21.8070905@math.missouri.edu>
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Hi, what's value of the priority and the nice level of each process? Have they all the same value? Is this always the same program, which runs at 99% CPU usage or change it? Bye, Jan On Sun, Nov 24, 2002 at 04:05:21PM -0600, Stephen Montgomery-Smith wrote: > Stephen Montgomery-Smith wrote: > >I have a dual Athlon MP 2100+. If I run three computationally > >intensive > >programs, one program runs at 99% CPU usage, and the other two run at > >50% CPU usage (this is according to top). > > > >It used to be that each of the three programs ran at 66% CPU. I > >liked > >it better the old way. > > I spent a couple of weeks thinking about this before posting. And > then > right after posting, I realise the difference between these programs > and > other programs I run - these programs were written in assembler. > > I have also noticed that threaded programs don't thread properly if > one of > the threads calls a subroutine that is written in assembler. -- [ gpg key: http://nl1.physik.tu-berlin.de/~jan/jschlesn.gpg ] [ key fingerprint: 4236 3497 C4CF 4F3A 274F B6E2 C4F6 B639 1DF4 CF0A ] -- It's better to reign in hell, than to serve in heaven... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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