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Subject: Re: [OMPI users] MPI_Waitall hangs and querying
From: Jeffrey Squyres (jsquyres_at_[hidden])
Date: 2012-03-21 11:37:32

On Mar 21, 2012, at 11:34 AM, Brock Palen wrote:

> tcp with this code?

Does it matter enough for debugging runs?

> Can we disable the psm mtl and use the verbs emulation on qlogic? While the qlogic verbs isn't that great it is still much faster in my tests than tcp.
> Is there a particular reason to pick tcp?

Not really. My only thought was that verbs over qlogic devices isn't the most stable stack around (they spend all their effort on PSM, not verbs).

Jeff Squyres
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