[cig-commits] r8581 - seismo/2D/SPECFEM2D/trunk/UTILS/sun_grid_engine_UPPA

[walter at geodynamics.org]

Author: walter
Date: 2007-12-07 15:58:16 -0800 (Fri, 07 Dec 2007)
New Revision: 8581

Modified:
   seismo/2D/SPECFEM2D/trunk/UTILS/sun_grid_engine_UPPA/submit_sun_grid_engine_UPPA_parallel.sh
Log:
added comments in submission script for UPPA cluster.

Modified: seismo/2D/SPECFEM2D/trunk/UTILS/sun_grid_engine_UPPA/submit_sun_grid_engine_UPPA_parallel.sh
===================================================================
--- seismo/2D/SPECFEM2D/trunk/UTILS/sun_grid_engine_UPPA/submit_sun_grid_engine_UPPA_parallel.sh	2007-09-12 14:36:10 UTC (rev 8580)
+++ seismo/2D/SPECFEM2D/trunk/UTILS/sun_grid_engine_UPPA/submit_sun_grid_engine_UPPA_parallel.sh	2007-12-07 23:58:16 UTC (rev 8581)
@@ -7,8 +7,11 @@
 # The path to OpenMPI libs should or should not be specified, depending 
 # on the user environement.
 
-# The allocation rule for parallel jobs is round robin when using "openmpi" PE : 
+# The allocation rule for parallel jobs is round robin when using "openmpi" PE; 
 # specify "openmpi_fillup" to have the fill up allocation rule.
+# "openmpi_fillup" should reduce the communication overhead (more intra-nodal communications) with most MPI libraries. 
+# "openmpi" should leave a few CPUs per node to manage the system without hampering the run. You should try both, and decide depending 
+# on your code and setup.
 
 # BEWARE : by default, old Databases along with new Databases in ./OUTPUT_FILES directory are removed;
 # comment "rm ./OUTPUT_FILES/Database*" in this file and in qsub_openmpi_UPPA.sh if you wish to change this behavior.