use separate PME nodes with #nodes>18
authorBerk Hess <hess@kth.se>
Sun, 26 Feb 2012 13:11:33 +0000 (14:11 +0100)
committerBerk Hess <hess@kth.se>
Sun, 26 Feb 2012 13:11:33 +0000 (14:11 +0100)
commit5f150a7c6c1bf0ddaacb8e1df361b2142e41fa7d
treecefe42ed7c8835f8f4ca6fadde9539695bf81ca6
parent71177370e0abae095e4f535067e6baacff096dd7
use separate PME nodes with #nodes>18

PME nodes were used with #nodes>=10, but with 2D PME decomposition,
introduced already in 4.5, PME nodes are not faster with 12 or 16 nodes.

Change-Id: I9c5c8ac225df9d4b81f451074b74d35f002205ee
src/mdlib/domdec_setup.c