Command Parameters of Hyper MPI 25.2.1 and Later Versions

**Table 1** Command parameters of HyperMPI 25.2.1 and later versions
Parameter	Value	Description
--mca coll_libnbc_ineighbor_alltoall_correct_cyclic_cart --mca coll_libnbc_ineighbor_alltoallv_correct_cyclic_cart --mca coll_libnbc_ineighbor_alltoallw_correct_cyclic_cart	Type: bool Value: true or false Default value: false	Specifies whether to fix the value pass order of ineighbor_alltoall(v\|w) in Open MPI multi-dimensional Cartesian topologies when the size of a single dimension is 1 or 2. Set to true if fixed.

Parent topic: Command Parameters