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March 22, 2012, 10:54 |
MPI issues with my own solver
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#1 |
New Member
Davide Cagnoni
Join Date: Jul 2011
Posts: 14
Rep Power: 15 |
Hi everybody!
I'm not sure if this can be just a running problem, a programming problem or a bug, so I will write here hoping it's ok. I programmed my own solver ( for joint fluid dynamics and electrical problems ) which is working really fine on serial runs (with around 10^5 mesh cells) but as i now want to use it for a non 2D case, my mesh comes up to 1.5kk cells and I switched to parallel. I tested before with the breakingDam classic example, which works fine, then i switched to my own stuff I decomposePar'd the domain - all fine - and then i ran the solver obtaining the following message: Code:
[moon01-01:19649] *** An error occurred in MPI_Recv [moon01-01:19649] *** on communicator MPI_COMM_WORLD [moon01-01:19649] *** MPI_ERR_TRUNCATE: message truncated [moon01-01:19649] *** MPI_ERRORS_ARE_FATAL (your MPI job will now abort) -------------------------------------------------------------------------- mpirun has exited due to process rank 0 with PID 19649 on node moon01-01 exiting without calling "finalize". This may have caused other processes in the application to be terminated by signals sent by mpirun (as reported here). -------------------------------------------------------------------------- does anyone have a hint about what's going on? |
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March 23, 2012, 09:57 |
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#2 |
New Member
Davide Cagnoni
Join Date: Jul 2011
Posts: 14
Rep Power: 15 |
after further tries, i came to the conclusion that this is 99% probably something programming-related so I posted another thread in the correct section... feel free to have a look there
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