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  • SWIFT
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  • #274
Closed
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Issue created Mar 10, 2017 by Matthieu Schaller@matthieuOwner

Fix MPI with `-g` option

We need to figure out what is going on when using Intel-MPI, vectorization and SWIFT's '-g' option.

@jwillis I'll assign this one to you. Good for you to look at many parts of the code.

Some possible things to look at:

  • Run with -e as well.
  • Check that the Sodshock and sedov blasts give the right answer with both MPI libraries and with -g.
  • Check whether we have any race condition. Maybe by running with one single thread per rank.
  • Check whether affinity pinning helps (check how to do it with Intel-MPI).
  • ...

Also, it would be good to list the setups that don't work here. Compiler choice + flags + MPI library + SWIFT command line options.

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