i+mpi+adjust+alltoallv

2024-11-09 10:02:35

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fortran - MPI_alltoallw working and MPI_Ialltoallw failing...

req, ierr) call MPI_Wait(req, MPI_STATUS_IGNORE, ierr) if (switch) then call MPI_Ialltoallw(sbuf, scounts, sdispls, types, & rbuf, rcounts, rdispls, types,
Try running with I_MPI_ADJUST - Intel Community

[0] MPI startup(): Alltoall: 3: 0-117964 & 0-2147483647 [0] MPI startup(): Alltoall: 4: 117965-3131275 & 0-2147483647 [0] MPI startup(): Alltoall: 3: 0-2147483647 & 0-2147483647 [0] MPI startup(): Alltoallv: 0: 0-2147483647 & 0-2147483647 [0] MPI startup(): Alltoall...
When I_MPI_FABRICS=shm, the size of MPI_Bcast can't larger...

I run MPI with a single workstation( 2 x E5 2690). When I export I_MPI_FABRICS=shm, the size of MPI_Bcast can't larger than 64kb. But when I export I_MPI_FABRICS={shm,tcp}, everything is ok. Are there some limit for shm? Can I adjust the limit? Tr...
i have the same problem - Intel Community

[0] MPI startup(): Alltoall: 3: 0-117964 & 0-2147483647 [0] MPI startup(): Alltoall: 4: 117965-3131275 & 0-2147483647 [0] MPI startup(): Alltoall: 3: 0-2147483647 & 0-2147483647 [0] MPI startup(): Alltoallv: 0: 0-2147483647 & 0-2147483647 [0] MPI startup(): Alltoallw...
I don't immediately see - Intel Community

[0] MPI startup(): Alltoall: 3: 0-2147483647 & 0-2147483647 [0] MPI startup(): Alltoallv: 0: 0-2147483647 & 0-2147483647 [0] MPI startup(): Alltoallw: 0: 0-2147483647 & 0-2147483647 [0] MPI startup(): Barrier: 2: 0-2147483647 & 0-2147483647 [0] MPI startup(): Bcast:...