Messages in this thread | | | Date | Wed, 13 Jun 2001 00:41:16 +0200 | From | Pavel Machek <> | Subject | Re: threading question |
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Hi!
> I am a summer student implementing a multi-threaded version of a very > popular bioinformatics tool. So far it compiles and runs without problems > (as far as I can tell ;) on Linux 2.2.x, Sun Solaris, SGI IRIX and Compaq > OSF/1 running on Alpha. I have ran a lot of timing tests compared to the > sequential version of the tool on all of these machines (most of them are > dual-CPU, although I am also running tests on 12-CPU Solaris and 108 CPU > SGI IRIX). On dual-CPU machines the speedups are as follows: my version > is 1.88 faster than the sequential one on IRIX, 1.81 times on Solaris, > 1.8 times on OSF/1, 1.43 times on Linux 2.2.x and 1.52 times on Linux 2.4 > kernel. Why are the numbers on Linux machines so much lower? It is > the
But this is all different hw, no?
So dual cpu SPARC is more efficient than dual cpu i686. Maybe SPARCs have faster RAM and slower cpus... Pavel -- I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care." Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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