Re: Benchmarks: Graphics vs. batch, Linux vs. Windows

[John W. Fondon III (Trey)]

Steve,
    Thanks so much for the benchmarking data.  It helps me to make some
decisions earlier than I otherwise would have been able to do.  Good job.

Trey

John W. Fondon III (Trey)
UT Southwestern Medical Center
Dallas, Texas
address@hidden
address@hidden
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-----Original Message-----
From: M. Lang / S. Railsback <address@hidden>
To: address@hidden <address@hidden>
Date: Monday, May 10, 1999 12:27 PM
Subject: Benchmarks: Graphics vs. batch, Linux vs. Windows


>Glen says I should post this:
>
>We just implemented a batch mode on our salmon out-migrant simulator
>(demo'd at SwarmFest; or see http://weasel.cnrs.humboldt.edu/~simsys/).
>I have both Linux (Redhat 5.1; XWindows) and Windows NT on my computer,
>so here is a comparison.
>
>The model has two graphics windows: the animation raster and a
>histogram. The fish-agents do a fair, but not huge, amount of
>computation each time step, mainly looking around for the nearest
>hydraulic-node object that tells them their velocity, and then moving to
>a new location. The space is big: 4,000 X 3,000; I ran 500 fish down it.
>
>Simulations were all done on the same machine, Pentium II, 450 mHz with
>128k of RAM. Hard disk use during the run appeared negligible. Run time
>measurements were made by eyeball and stop watch.
>
>Windows NT batch mode: 1 min 40 s.
>Linux batch mode: 1:40 (no difference expected from windows)
>Windows with graphics: 13:20
>Linux with graphics: 9:50
>
>So- in Windows batch mode runs 8 times faster; 6 times faster in Linux.
>Windows takes 33% longer for graphics mode than Linux.
>
>Steve R.
>--
>address@hidden
>Lang, Railsback & Assoc.
>250 California Ave., Arcata CA 95521
>707-822-0453; Fax 822-1868
>
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