[Beowulf] An annoying MPI problem
csamuel at vpac.org
Wed Jul 9 18:07:17 PDT 2008
----- "Bruno Coutinho" <coutinho at dcc.ufmg.br> wrote:
> Try disabling shared memory only.
> Open MPI shared memory buffer is limited and it enters deadlock if
> you overflow it.
> As Open MPI uses busy wait, it appears as a livelock.
Interesting - is it possible to disable that at runtime
with one of its billions of configuration options ?
Christopher Samuel - (03) 9925 4751 - Systems Manager
The Victorian Partnership for Advanced Computing
P.O. Box 201, Carlton South, VIC 3053, Australia
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