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Subject: Re: [OMPI users] profile the performance of a MPI code: how much traffic is being generated?
From: Rahul Nabar (rpnabar_at_[hidden])
Date: 2009-09-29 11:59:28

On Tue, Sep 29, 2009 at 10:40 AM, Eugene Loh <Eugene.Loh_at_[hidden]> wrote:
> to know.  It sounds like you want to be able to watch some % utilization of
> a hardware interface as the program is running.  I *think* these tools (the
> ones on the FAQ, including MPE, Vampir, and Sun Studio) are not of that
> class.

You are correct. A real time tool would be best that sniffs at the MPI
traffic. Post mortem profilers would be the next best option I assume.
I was trying to compile MPE but gave up. Too many errors. Trying to
decide if I should prod on or look at another tool.