I tried to disable ucx (successfully, I think - I replaced the “—mca btl ucx —mca btl ^vader,tcp,openib” with “—mca btl_openib_allow_ib 1”, and attaching gdb to a running process shows no ucx-related routines active). It still has the same fast growing (1 GB/s) memory usage problem.
Noam _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users