allred2 allred3 allred4 allred5 allred6 allredmany alltoall1
alltoallv0 alltoallv alltoallw1 alltoallw2 alltoallw_zeros
bcasttest bcastzerotype coll2 coll3 coll4 coll5 coll6 coll7 coll8
allred2 allred3 allred4 allred5 allred6 allredmany alltoall1
alltoallv0 alltoallv alltoallw1 alltoallw2 alltoallw_zeros
bcasttest bcastzerotype coll2 coll3 coll4 coll5 coll6 coll7 coll8