[Beowulf] An annoying MPI problem
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Chris Samuel csamuel at vpac.orgWed Jul 9 18:07:17 PDT 2008
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----- "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 ? cheers, Chris -- Christopher Samuel - (03) 9925 4751 - Systems Manager The Victorian Partnership for Advanced Computing P.O. Box 201, Carlton South, VIC 3053, Australia VPAC is a not-for-profit Registered Research Agency
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