Performance of pararallel programs

[Patrick Geoffray]

Claudio Fernandes wrote:

>         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

Jumpshot, included in MPICH. It's free and it works. I have 
been able to process trace files as large as 2 GBs.

Patrick

----------------------------------------------------------
|   Patrick Geoffray, Ph.D.      patrick at myri.com 
|   Myricom, Inc.                http://www.myri.com
|   Cell:  865-389-8852          685 Emory Valley Rd (B)
|   Phone: 865-425-0978          Oak Ridge, TN 37830
----------------------------------------------------------