Hello again, Thank you for the answers! >> The questions I have: >> 1. What could be the reason of MPI errors? > > I don't honestly know. We get them too and agree that they are annoying. Ok, it's good to know that they don't affect the results.
>> I had to disable some *warnings* in openmpi to make it work. As far as >> I understood they concerned smth like Infiniband network connection >> between the nodes, etc. This was done with: >> export OMPI_MCA_btl="^udapl,openib" > > Warnings prevented a build? That's odd. No, udapl prevented the run with mpirun - turned out to be a known bug under SL5.4 (fixed in SL5.5 beta according to our Administrator's info) and openib was just too verbose...
