I am using MPI_FILE_WRITE_AT to print out the timings of subroutines in a big
Fortran code. I have noticed since upgrading to Open MPI 2.1.1 that sometimes
the file to be written is corrupted. Each MPI process is supposed to write out
a character string that is 159 characters in length, plus a
just ignore a dropped
packet now and again, or try to figure out what’s wrong with our IB.
Thanks
Kevin
From: George Bosilca [mailto:bosi...@icl.utk.edu]
Sent: Monday, April 03, 2017 5:59 PM
To: McGrattan, Kevin B. Dr. (Fed) <kevin.mcgrat...@nist.gov>
Cc: Open MPI Users <users@lists.ope
I am running a large computational fluid dynamics code on a linux cluster
(Centos 6.8, Open MPI 1.8.4). The code is written in Fortran and compiled with
Intel Fortran 16.0.3. The cluster has 36 nodes, each node has two sockets, each
socket has six cores. I have noticed that the code hangs when