[Beowulf] file IO benchmark

Toon Knapen toon.knapen at fft.be
Fri Nov 25 09:55:19 EST 2005


Joe Landman wrote:
>   A little more than a year ago we use io-bench from HPCC which I did a
> quick MPI port with.  We were showing 1.8-2.1 GB/s sustained to a
> Panasas disk (http://www.panasas.com) system from a cluster.  We also
> used the oocore (see http://www.nsf.gov/div/index.jsp?org=OCI).  Again,
> using the Panasas disk, we were about 5x the speed of the nearest SAN
> solutions on 32 nodes, and more than an order of magnitude faster at 128
> nodes.
> 
>   If you want a copy of my rather naive MPI port of io-bench, let me see
> if we can redistribute it.  If you want oocore, surf over to
> http://www.nsf.gov/publications/pub_summ.jsp?ods_key=nsf0605 or grab it
> from http://www.nsf.gov/pubs/2006/nsf0605/oocore.tar.gz
> 


Not familiar with your MPI-ported io-bench nor b_eff_io, how would you
compare both?

toon
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