Newsgroups: comp.parallel,comp.parallel.mpi
From: changj@Jeff-Lab.QueensU.CA (Jianlin Chang)
Reply-To: chang@mjs1.Phy.QueensU.CA
Subject: how to know total amount of time spent on communication on IBM SP2?
Organization: Department of Physics, Queen's University, Kingston, Canada
Date: Wed, 29 Nov 1995 20:19:09 GMT
Message-ID: <49if7u$k9i@knot.queensu.ca>

What are the easy ways to know total amount of time spent on communication in 
MPI programs?
I guess you can use "-p" "-pg" compiler options to do profiling, but there are 
some overheads with "-pg", is it possible to deduce from POE trace files? 
Thanks a lot. 

-- 
Jianlin Chang (~{3#=(AV~})       Internet: chang@mjs1.Phy.QueensU.CA
Department of Physics            Bitnet:   changj@qucdn
Queen's University               X.400:    Jianlin.Chang@QueensU.CA
Kingston, Ontario K7L 3N6        Tel: (613) 545-2723 (o)
Canada                           Fax: (613) 545-6463
Home address:
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Kingston, ON K7K 4G8


