You might argue that the attached tests are naive, but still... (Open
MPI v1.10.2)
$ mpicc win_post_wait.c
$ mpiexec -n 1 ./a.out
malloc debug: Request for 0 bytes (osc_pt2pt_active_target.c, 76)
malloc debug: Request for 0 bytes (osc_pt2pt_active_target.c, 78)
$ mpiexec -n 2 ./a.out
malloc debug:
Folks,
this is a question (and my reply) initially posted on the users ML
in v1.10 libmpi.so depends on libibverbs.so.1 because of
ompi/mca/common/verbs_usnic
i can understand this is not desired if OpenMPI install tree is shared
with nodes without infiniband libraries.
so far, the non-user