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Forum: Main CFD Forum

December 8, 2014, 12:01

Replies: 6

Point-to-point communication with MPI

Views: 1,310

Posted By valgrinda

Re: Mpi

Hi Joachim,

I would write the code like this:

! non-blocking send (integer i)
do n = 1, block%n_patches
call mpi_isend( i, 1, mpi_integer, patch(n)%block2, 11, mpi_comm_world, isend(n),...

Forum: Main CFD Forum

December 8, 2014, 09:12

Replies: 6

Point-to-point communication with MPI

Views: 1,310

Posted By valgrinda

Mpi

Hi Joachim,

your way sounds good and it shouldn't hang if properly implemented. If this is the only MPI call you have and performance is not the issue, you could also use MPI_Alltoall and discard...

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