Merge release-4-5-patches into release-4-6

[alexxy/gromacs.git] / src / mdlib / domdec_setup.c

diff --git a/src/mdlib/domdec_setup.c b/src/mdlib/domdec_setup.c
index b6d001cde82992ad17d57c547483fc5e37ade8be..04c2aafc6269cdb09e7b556e376307eef32a5549 100644 (file)
--- a/src/mdlib/domdec_setup.c
+++ b/src/mdlib/domdec_setup.c
@@ -709,7 +709,8 @@ real dd_choose_grid(FILE *fplog,
         {
             if (cr->npmenodes < 0)
             {
-                if (cr->nnodes <= 10)
+                /* Use PME nodes when the number of nodes is more than 16 */
+                if (cr->nnodes <= 18)
                 {
                     cr->npmenodes = 0;
                 }