Fix COM pulling with external potential with #ranks>32
commit97240d254619689932102b5a7b077ff3070188fe
authorBerk Hess <hess@kth.se>
Mon, 12 Mar 2018 15:54:04 +0000 (12 16:54 +0100)
committerBerk Hess <hess@kth.se>
Wed, 14 Mar 2018 10:54:54 +0000 (14 11:54 +0100)
treecab04a5638545183488df24141454d3e91e57dfe
parent80f8ca607200688ae37086ca8c71f5bea03f5e60
Fix COM pulling with external potential with #ranks>32

With more than 32 PP-ranks, the pull code could use only a subset
of the PP-ranks. This change forces all ranks to do pulling when
external potentials are present (currently only used by AWH).

Fixes #2441

Change-Id: I8501024b7961600ec79f3707e239ddf25525aa79
src/gromacs/pulling/pull.cpp