MOFED does have openmpi that use UD QP by the default, or you can try HPC-X Toolkit from Mellanox site, that available for different OSes.
Check ulimits (Environment Problems | Intel® Developer Zone) and maybe limits.conf
MOFED does have openmpi that use UD QP by the default, or you can try HPC-X Toolkit from Mellanox site, that available for different OSes.
Check ulimits (Environment Problems | Intel® Developer Zone) and maybe limits.conf