Changeset 3519

Timestamp:

Aug 21, 2006, 5:50:47 PM (18 years ago)

Author:

ole

Message:

Parallel timings

Location:

production/wollongong_2006

Files:

• run_flagstaff.py (modified) (4 diffs)
• timings.txt (modified) (1 diff)

production/wollongong_2006/run_flagstaff.py

@@ -110 +110 @@
     print domain.statistics()
 
-    #domain.set_name(project.basename)
-    #domain.set_datadir(project.outputdir)
-    #domain.set_quantities_to_be_stored(['stage', 'xmomentum', 'ymomentum'])
-    #domain.set_quantities_to_be_stored(None)
-
     domain.set_quantity('elevation', 
                         filename=project.demname + '.pts',
@@ -164 +159 @@
                          ghost_recv_dict = ghost_recv_dict)
 
-# FIXME (Ole): Name currently has to be set here to get the processor number
-# right. It would be easy to build into Parallel_Domain
+# Name etc currently has to be set here as they are not transferred from the
+# original domain
 domain.set_name(project.basename)
 domain.set_datadir(project.outputdir)
 
+
 #------------------------------------------------------------------------------
 # Setup initial conditions
@@ -174 +170 @@
 
 
-domain.set_quantity('elevation', quantities['elevation']) # Get elevation 
+domain.set_quantity('elevation', quantities['elevation']) # Distribute elevation 
 domain.set_quantity('stage', project.initial_sealevel)
 domain.set_quantity('friction', 0.03)
@@ -181 +177 @@
 # FIXME (Ole): This one segfaults which is bad, because set_quantity is
 # time consuming and should be done here rather than on processor 0
+# It did not segfault today 2 Aug 2006 !!!
+# But values are zero ??....
 #
 #domain.set_quantity('elevation', 
 #                    filename=project.demname + '.pts',
-#                    use_cache=True,
+#                    use_cache=False,
 #                    verbose=True)
 

production/wollongong_2006/timings.txt

@@ -1 +1 @@
 
+mpirun -c 42 python run_flagstaff.py
+
+That took 2934.78 seconds
+Communication time 191.28 seconds
+Reduction Communication time 69.67 seconds
+Broadcast time 9.52 seconds
 
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