Running in parallel gives error
I made code changes in the radiation library of OF2012, which give no error when running my case serially. However, when trying to run it in parallel, I get the following error when the simulation is supposed to start:
Code:
Rank 0 [Sun Apr 11 12:41:09 2021] [c2-0c2s15n3] Fatal error in MPI_Recv: Message truncated, error stack: This dissapears when I comment out a line in the code that calls the function distributedTriSurface.findline(start, end, hitInfo). Calling the function from an empty triSurface gives no error as well. My case has cyclic patches, for which I added preservePatches lines in the decomposeParDict file. Does anyone know what the error means? Does it have anything to do with preparePar? Thanks |
I solved it. Turned out I had to use the returnReduce function for a variable I was using in my while loops.
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