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Subject: Re: [OMPI devel] [RFC] Move the datatype engine in the OPAL layer
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2009-07-15 07:27:11


On Jul 14, 2009, at 1:23 PM, Rainer Keller wrote:

> https://svn.open-mpi.org/trac/ompi/wiki/HowtoTesting
>

That is most helpful -- thanks!

What about the latency issue?

> > >> Performance tests on the ompi-ddt branch have proven that there
> is no
> > >> performance penalties associated with this change (tests done
> using
> > >> NetPipe-3.7.1 on smoky using BTL/sm, giving 1.6usecs on this
> > >> platform).
> > >
> > > 1.6us sounds like pretty high sm latency... Is this a slow
> platform?
>

-- 
Jeff Squyres
Cisco Systems