Only create group if part of load communicator and thus the group is not empty
authorRoland Schulz <roland@utk.edu>
Tue, 4 Oct 2011 07:56:22 +0000 (03:56 -0400)
committerRoland Schulz <roland@utk.edu>
Wed, 5 Oct 2011 20:05:29 +0000 (16:05 -0400)
commit8cd25f0d45567b53027c7c4ab9bb2e8d5606932d
tree1344e0fd8d663bc21ab4a4b76f3a10524eb21e00
parentbded8a49fda547bf556c8e6f328b4fd18a9d2162
Only create group if part of load communicator and thus the group is not empty

Unnessary groups are a problem if maximum number of group is limited (e.g. scalasca)

Change-Id: I2daca6414e82cca8d64d3dd5c08c6ae0060d07dc
src/mdlib/domdec.c