[OMPI users] Problem related to openmpi cart create command

Hello, hope everyone is fine. I have been given a code of openmpi by a senior which includes mpi_cart_create. I have been trying to run the program. The program compiles corrrecty but on execution gives error on the builtin function mpi_cart_create. The operating system I am using is ubuntu 64

Re: [OMPI users] Received data is different than sent data after Allgatherv() call

Thank you Gilles, the *&data* was the problem. On Thu, Nov 30, 2017 at 2:25 AM, Gilles Gouaillardet wrote: > should the send buffer for MPI_Allgatherv() be data instead of &data ? > > BTW, is this issue specific to Open MPI ? > If this is a general MPI issue, forums such as https://stackoverf

Re: [OMPI users] Problem related to openmpi cart create command

Hi, There is not enough information to help. Can you build a minimal example that evidences the issue and states how many MPI tasks are needed to evidence this issue ? Cheers, Gilles On Sun, Dec 3, 2017 at 6:00 PM, Muhammad Umar wrote: > Hello, hope everyone is fine. > > > I have been given