Re: [OMPI users] MPI-IO on Lustre - OMPIO or ROMIO?

2020-11-27 Thread Dave Love via users
Mark Dixon via users writes: > But remember that IMB-IO doesn't cover everything. I don't know what useful operations it omits, but it was the obvious thing to run, that should show up pathology, with simple things first. It does at least run, which was the first concern. > For example, hdf5's

[OMPI users] calling mpiexec with std::system in WSL2

2020-11-27 Thread schoon via users
Hi all, ​I cannot say I am a black belt MPI developer, and have sort of slammed into the following problem "from the left". A quick summary of the situation: * The code which causes the problem has been used on many different systems previously, but never on WSL2 before. * One component is la

[OMPI users] Unable to run complicated MPI Program

2020-11-27 Thread CHESTER, DEAN (PGR) via users
Hi, I am trying to set up some machines with OpenMPI connected with ethernet to expand some batch system we already have in use. This is controlled with Slurm already and we are able to get a basic MPI program running across 2 of the machines but when I compile and something that actually pe