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Hui_L_
Beginner
92 Views

IMB-MPI1 pingpong job hangs for minutes when using dapl

Hello,

I was running the IMB-MPI pingpong job by using following scripts:

mpirun -hosts node1,node2 -ppn 1 -n 2 -env I_MPI_FABRICS=dapl -env I_MPI_DAPL_PROVIDER=ofa-v2-mlx5_0-1s -env I_MPI_DEBUG=100 -env I_MPI_DYNAMIC_CONNECTION=0 IMB-MPI1 pingpong

the debug info is as follows:

could you please give some suggestions how to fix this problem. thanks in advance.

mpi.jpg

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1 Reply
Carlos_R_Intel
Employee
92 Views

Hi,

Can you share what version of Intel MPI and of the benchmarks you are using? It would also be useful to have the output of the command "ibv_devinfo" in verbose mode, and to know if you can ssh across those two nodes without issues outside of this tests.

 

Regards,

Carlos

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