[gmx-users] myrinet (scali) or ethernet
spoel at xray.bmc.uu.se
Tue Oct 5 08:52:23 CEST 2004
On Tue, 2004-10-05 at 00:23, Patricia Soto Becerra wrote:
> Hi People,
> I have a question not really related to gromacs but to clusters... perhaps
> somebody could give me a hint!
> I am using two clusters: One runs under myrinet and
> the other under scali. In each cluster I installed gromacs
> to run under either myrinet or scali (but not ethernet) with mpich.
> All I want to know is how to check whether my parallel
> jobs are indeed running under myrinet (scali) or
> ethernet (apart from re-installing gromacs under ethernet and run a series
> of benchmarks).
> I have this question because I have observed a strong
> decay in the performance after a power outage.
Don't know anything about myrinet, but for scali there are some tools
available, check /opt/scali. Maybe the power outage has destroyed the
cards, or the myrinet switch?
> ~_ Dr. Patricia Soto
> ~_ Post-doctoral Researcher
> ~_ Department of Chemistry and Biochemistry
> ~_ University of California, Santa Barbara CA 93106 - 9510
> ~_ United States
> ~_ !!! http://www.theworldvotes.org !!!
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David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596, 75124 Uppsala, Sweden
phone: 46 18 471 4205 fax: 46 18 511 755
spoel at xray.bmc.uu.se spoel at gromacs.org http://xray.bmc.uu.se/~spoel
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