Bishesh Khanal <[email protected]> writes: > Yes, I tried it just a while ago and this is happened I think. (Just to > confirm, I have put the error message for this case at the very end of this > reply.*)
Yes, that is the "friendly" way to run out of memory. > I'm sorry but I'm a complete beginner with MPI and clusters; so what does > one MPI rank per node means and what should I do to do that ? My guess is > that I set one core per node and use multiple nodes in my job script file ? > Or do I need to do something in the petsc code ? No, it is in the way you launch the job. It's usually called "processes per node", often with a key like "ppn", "nppn", or "mppnppn". See the documentation for the machine or ask your facility how to do it.
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