modules: default: lmod: openmpi: environment: set: OMPI_MCA_pml: 'ucx' OMPI_MCA_osc: 'ucx' UCX_NET_DEVICES: 'mlx5_2:1,mlx5_3:1' nccl: environment: set: NCCL_IB_HCA: 'mlx5_2:1,mlx5_3:1' NCCL_SOCKET_IFNAME: 'bond0' nvshmem: environment: set: NVSHMEM_HCA_LIST: 'mlx5_2:1,mlx5_3:1' NVSHMEM_BOOTSTRAP: MPI