Yes, it really should have been fixed by now. :-\ Thanks for the nudge in reminding us -- I've bumped George to review this again (he's the owner of this particular section of code).
On Jul 30, 2012, at 6:18 AM, Iliev, Hristo wrote: > Hello, > > 3 months ago I opened a ticket about an extra local data copy being made in > the pairwise alltoallv implementation in the “tuned” module that can hurt > performance in some cases: > > https://svn.open-mpi.org/trac/ompi/ticket/3079 > > As far as I can see the milestone was set to Open MPI 1.6.1 and although it > was quite trivial to fix (and I have submitted the appropriate patch with the > ticket), the defect is still present in the latest revision of the 1.6 branch > and also in trunk. Given that in most cluster cases OMPI ends up using > “tuned” and that 1.6.1rc1 makes the pairwise algorithm the default, shouldn’t > this defect have been fixed by now? > > Kind regards, > Hristo Iliev > -- > Hristo Iliev, Ph.D. -- High Performance Computing > RWTH Aachen University, Center for Computing and Communication > Rechen- und Kommunikationszentrum der RWTH Aachen > Seffenter Weg 23, D 52074 Aachen (Germany) > Tel: +49 241 80 24367 -- Fax/UMS: +49 241 80 624367 > > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
