At least, be aware of silently disabling the usage of InfiniBand if 'multiple'
threading level is activated:
http://www.open-mpi.org/community/lists/devel/2012/10/11584.php
On 10/29/12 19:14, Daniel Mitchell wrote:
> Hi everyone,
>
> I've asked my linux distribution to repackage Open MPI with thread support (meaning configure with --enable-thread-multiple). They are willing to do this if it won't have any performance/stability hit for Open MPI users who don't need thread support (meaning everyone but me, apparently). Does enabling thread support impact performance/stability?
>
> Daniel
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>
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Dipl.-Inform. Paul Kapinos - High Performance Computing,
RWTH Aachen University, Center for Computing and Communication
Seffenter Weg 23, D 52074 Aachen (Germany)
Tel: +49 241/80-24915
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