From: tim@fungible.com (Tim Freeman)
To: vsl@ontil.ihep.su
Cc: dbely@mail.ru, caml-list@inria.fr
Subject: Re: [Caml-list] Why systhreads?
Date: Wed, 27 Nov 2002 07:33:04 -0700 [thread overview]
Message-ID: <20021127153447.107B47F86@lobus.fungible.com> (raw)
In-Reply-To: <Pine.LNX.4.33.0211250212490.1238-100000@ontil.ihep.su> (message from Vitaly Lugovsky on Mon, 25 Nov 2002 02:14:33 +0300 (MSK))
> I tried OCaml in a non memory-consuming numerical applications on SMP.
>Seems to work well enough (100% load of all the processors).
Wrong metric. You want speedup, not CPU utilization. You can get CPU
utilization for free by running an infinite loop. Did the application
run anywhere near N times faster when you were using N processors?
--
Tim Freeman
tim@fungible.com
GPG public key fingerprint ECDF 46F8 3B80 BB9E 575D 7180 76DF FE00 34B1 5C78
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next prev parent reply other threads:[~2002-11-27 15:34 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-23 9:08 Lauri Alanko
2002-11-24 7:36 ` Sven Luther
2002-11-24 17:41 ` Chris Hecker
2002-11-24 18:12 ` Basile STARYNKEVITCH
2002-11-24 21:10 ` Christopher Quinn
2002-11-24 17:14 ` Vitaly Lugovsky
2002-11-24 17:18 ` Lauri Alanko
2002-11-24 18:27 ` Dmitry Bely
2002-11-24 23:14 ` Vitaly Lugovsky
2002-11-27 14:33 ` Tim Freeman [this message]
2002-11-29 13:25 ` Vitaly Lugovsky
2002-11-25 10:01 ` Xavier Leroy
2002-11-25 14:20 ` Markus Mottl
2002-11-25 19:01 ` Blair Zajac
2002-11-25 21:06 ` james woodyatt
2002-11-25 22:20 ` Chris Hecker
2002-11-26 6:49 ` Sven Luther
2002-11-27 13:12 ` Damien Doligez
2002-11-27 18:04 ` Chris Hecker
2002-11-27 21:04 ` Gerd Stolpmann
2002-11-27 21:45 ` [Caml-list] Calling ocaml from external threads Quetzalcoatl Bradley
2002-11-26 9:02 ` [Caml-list] Why systhreads? Xavier Leroy
2002-11-26 9:29 ` Sven Luther
2002-11-26 9:34 ` Xavier Leroy
2002-11-26 9:39 ` Sven Luther
2002-11-26 18:42 ` Chris Hecker
2002-11-26 19:04 ` Dave Berry
2002-11-27 0:07 ` Lauri Alanko
2002-11-26 19:23 Gregory Morrisett
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