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Subject: Re: [OMPI users] Sandy Bridge performance question
From: Jeff Squyres (jsquyres) (jsquyres_at_[hidden])
Date: 2013-06-07 08:53:59


On Jun 7, 2013, at 5:28 AM, "Blosch, Edwin L" <edwin.l.blosch_at_[hidden]> wrote:

> Regarding VTune, we have a code that doesn't scale well so that's a good tip. I have access to VTune, I've used it. But I only remember looking at OpenMP, I didn't know it could handle MPI runs. That would be great.

You might have to tweak it to do the Right things with MPI jobs. DDT and Totalview have access to performance counters too, IIRC.

> Is VampirTrace (?) is another option for identifying communication bottlenecks, serial content, etc.?

Yes.

-- 
Jeff Squyres
jsquyres_at_[hidden]
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