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tmpi

Run multiple MPI processes as a grid in a new tmux window and multiplex keyboard input to all of them.

Dependencies

Installation

Just copy the tmpi script somewhere in your PATH. One-liner:

curl https://raw.githubusercontent.com/Azrael3000/tmpi/master/tmpi -o /somewhere/in/your/path/tmpi

Example usage

Parallel debugging with GDB:

tmpi 4 gdb executable

It is advisable to run gdb with a script (e.g. script.gdb) so you can use

tmpi 4 gdb -x script.gdb executable

If you have a lot of processors you want to have set pagination off and add the -q argument to gdb:

tmpi 4 gdb -q -x script.gdb executable

This avoids pagination and the output of the copyright of gdb, which can be a nuissance when you have very small tmux panes.

Full usage

See usage() in the script

Known issues

When running without reptyr tmpi might fail without any error message. Installing reptyr should solve the issue.

Contributors

  • Benedikt Morbach
  • Arno Mayrhofer (Azrael3000)
  • Fabio Luporini
  • Shumpei Shiina (s417-lama)

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Run a parallel command inside a split tmux window

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