ibv_query_qp () – RDMAmojo – RDMAmojo – RDMAmojo, rdma _ create _ qp (3): Allocate QP – Linux man page, 12/21/2012 · ibv_ create _qp() creates a Queue Pair (QP) associated with a Protection Domain. The user can define the minimum attributes to the QP: number of Work Requests and number of scatter/gather entries per Work Request to Send and Receive queues. The actual attributes can be equal or.
ibv_create_qp () will fail if a it is asked to create QP of a type other than IBV_QPT_RC or IBV_QPT_UD associated with an SRQ. The attributes max_recv_wr and max_recv_sge are ignored by ibv_create_qp () if the QP is to be associated with an SRQ. ibv_destroy_qp () fails if the QP is attached to a multicast group.
For the NCCL tests, to be able to run on multiple nodes, you need to compile with MPI support, e.g. : make -j NCCL_HOME=/path/to/nccl CUDA_HOME=/path/to/cuda MPI_HOME=/path/to/mpi MPI=1 mpirun -H node1:1,node2:1 ./build/all_reduce_perf -b 8 -e 128M -f 2. Copy link.
ta1-0:2668:2780 [0] misc/ibvwrap.cu:280 NCCL WARN Call to ibv_ create _qp failed ta1-0:2668:2780 [0] NCCL INFO transport/net_ib.cu:371 -> 2 ta1-0:2668:2780 [0] NCCL INFO transport/net_ib.cu:449 -> 2 ta1-0:2668:2780 [0] NCCL INFO include/net.h:25 -> 2 ta1-0:2668:2780 [0] NCCL INFO transport/net.cu:290 -> 2 ta1-0:2668:2780 [0] NCCL INFO init.cu:519 -> 2, 1/12/2013 · CHECK_PTR(conn.qp = ibv_ create _qp(conn.pd, &qp_init_attr), Failed to create QP for device << device << , port << port << , error= << strerror(errno) << ,.4/19/2018 · dgj101:14560:14560 [0] misc/ibvwrap.cu:269 WARN Call to ibv_ create _qp failed dgj101:14560:14560 [0] INFO transport/net_ib.cu:344 -> 2 dgj101:14560:14560 [0] INFO transport/net_ib.cu:421 -> 2 dgj101:14560:14560 [0] INFO include/net.h:28 -> 2 [Net] dgj101:14560:14560 [0] INFO bootstrap.cu:168 -> 2 dgj101:14560:14560 [0] INFO init.cu:422 -> 2 …
