tag_u64            79 ompi/mca/mtl/psm/mtl_psm_types.h #define PSM_GET_MQRANK(tag_u64)	((int)(((tag_u64)>>32)&0xffff))
tag_u64            80 ompi/mca/mtl/psm/mtl_psm_types.h #define PSM_GET_MQUTAG(tag_u64)	((int)((tag_u64)&0xffffffffULL))