Clamp LND decomposition on low-res grid

E3SM-Project · Sep 25, 2021 · 938844c · 938844c
1 parent da9ef47
commit 938844c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/components/eam/cime_config/testdefs/testmods_dirs/eam/bench/noio/shell_commands b/components/eam/cime_config/testdefs/testmods_dirs/eam/bench/noio/shell_commands
@@ -6,6 +6,9 @@ if [ `./xmlquery --value MACH` == theta ]||[ `./xmlquery --value MACH` == cori-k
   ./xmlchange MAX_MPITASKS_PER_NODE=64
   ./xmlchange MAX_TASKS_PER_NODE=128
   ./xmlchange NTHRDS=2
+  # avoid over-decomposing LND beyond 7688 clumps (grid cells)
+  if [ `./xmlquery --value NTASKS_LND` -gt 3844 ]; then ./xmlchange NTHRDS_LND=1; fi
 else
   ./xmlchange NTHRDS=1
 fi
+