Performance of pararallel programs

[William Gropp]

At 11:33 PM 11/8/2001 -0200, Claudio Fernandes wrote:


>hello,
>
>         I would like to know about any tools to mesure performance of 
> parallel
>programs over mpich  in a scyld beowulf cluster .  I'm looking for
>any trace library  that keeps a record of a program's MPI  calls

MPICH comes with several such libraries in the mpe directory.  If you are 
using the compilation scripts that come with MPICH, you can simply relink 
with -mpilog.  The Jumpshot program provides a graphical display for the 
data.  See http://www.mcs.anl.gov/perfvis/ for more information.

Bill