In the test suite, we have an ibm/dynamic/loop_spawn test that looks
like this:
for (...) {
loop_spawn spawns loop_child
parent and child execute MPI_Intercomm_merge
parent and child execute MPI_Comm_free
parent and child execute MPI_Comm_disconnect
}
If the openib BTL is involved and you run long enough, it appears that
you run out of locked memory. Does anyone have a sense for whether that
is expected or it shows a resource leak?
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