Satish Balay <[email protected]> writes: > I had a chat with Derek today morning. The error case was with 512 > nodes [same as above] with --ranks-per-node 4 or 8. And this was on > ceatus.
It is spelled "cetus". > The hang was confirmed to be in PetscInitialze [via the debugger] and > -skip_petscrc went past the hang. That is where the particular sequence of collectives (MPI_Bcast) gets called. Getting past that part does not rule out the same problem occurring later, perhaps with lower probability.
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