Changeset 4904 for anuga_core/source/anuga/pmesh/timing.py

Timestamp:

Jan 4, 2008, 11:50:41 AM (17 years ago)

Author:

duncan

Message:

added some timings

File:

• anuga_core/source/anuga/pmesh/timing.py (modified) (3 diffs)

anuga_core/source/anuga/pmesh/timing.py

@@ -5 +5 @@
 from anuga.pmesh import *
 import time
+ 
+def mem_usage():
+    '''
+    returns the rss.
+
+  RSS  The total amount of physical memory used by  the  task,  in  kilo-
+            bytes,  is  shown  here.  For ELF processes used library pages are
+            counted here, for a.out processes not.
+            
+    Only works on nix systems.
+    '''
+    import string
+    p=os.popen('ps uwp %s'%os.getpid()) 
+    lines=p.readlines()
+    #print "lines", lines
+    status=p.close() 
+    if status or len(lines)!=2 or sys.platform == 'win32': 
+        return None 
+    return int(string.split(lines[1])[4]) 
 
 
-draw = Draw()
+
+#draw = Draw()
 #draw.run()
-n = 400
+n = 2
+maxArea = 0.00005
+#maxArea = 0.1
 times = []
 tinitial = time.time()
-times.append(("initial",time.time()-tinitial))
+mem_initial = mem_usage()
+print "mem_initial", mem_initial
 #------------------------------------------
 mesh = Mesh()
@@ -37 +60 @@
 mesh.addUserSegment(v3,v4)
 mesh.addUserSegment(v4,v1)
-times.append(("user_outline_created",time.time() - tinitial ))
+mem_now =mem_usage()
+#print "mem_now", mem_now
+if mem_now is not None:
+    mem = mem_now - mem_initial
+else:
+    mem = 0.0
+times.append(("user_outline_created",time.time() - tinitial, mem ))
 #------------------------------------------
-#mesh.auto_segment()
-#times.append(("mesh_auto_segmented",time.time() - tinitial ))
+mesh.generateMesh(mode = "Q",maxArea = maxArea)
+mem_now =mem_usage()
+#print "mem_now", mem_now
+if mem_now is not None:
+    mem = mem_now - mem_initial
+else:
+    mem = 0.0
+times.append(("mesh_generated",time.time()- tinitial - times[0][1], mem))
 #------------------------------------------
-mesh.generateMesh(mode = "Q",maxArea = 1)
-times.append(("mesh_generated",time.time() - tinitial ))
-#------------------------------------------
-draw.mesh = mesh
-draw.selectZoom(1.0)
-times.append(("zoomed",time.time() - tinitial ))
-#------------------------------------------
-
+mesh.export_mesh_file("dump.msh")
+mem_now =mem_usage()
+#print "mem_now", mem_now
+if mem_now is not None:
+    mem = mem_now - mem_initial
+else:
+    mem = 0.0
+times.append(("export_mesh_file",time.time()- tinitial - times[1][1], mem))
 
 #---------------------
-print "N is ", n
+print "Number of user verts. ", n
+print "maxArea",maxArea
+print "funtion     time   memory usage, cumulative, for nix machines"
 for time in times:
-    print "%s  %0.12f" %(time[0],  time[1])
+    print "%s   %0.2f   %0.2f" %(time[0],  time[1], time[2])
 
-
+"""
 #Results - mesh.py ver   1.84           1.85    
 # N     400     
@@ -64 +101 @@
 #zoomed                 32.81299996     33.5940001
 
+# results on dsg's pc dell precision 390.
+# anuga version 1497
+Number of user verts.  2
+maxArea 0.0001
+user_outline_created   0.00
+mesh_generated   4.92
+export_mesh_file   16.30
+
+Number of user verts.  2
+maxArea 0.0001
+user_outline_created   0.00
+mesh_generated   4.92
+export_mesh_file   16.30
+
+Number of user verts.  2
+maxArea 5e-005
+user_outline_created   0.00
+mesh_generated   15.53
+export_mesh_file   41.39
+
+version 4903
+mem_initial None
+Number of user verts.  2
+maxArea 5e-005
+funtion     time   memory usage, cumulative, for nix machines
+user_outline_created   0.49   0.00
+mesh_generated   1.94   0.00
+export_mesh_file   2.75   0.00
 
 
+Results of tornado head node
+Number of user verts.  2
+maxArea 5e-05
+funtion     time   memory usage, cumulative, for nix machines
+user_outline_created   0.14   32.00
+mesh_generated   18.81   378304.00
+export_mesh_file   17.79   380620.00
+
+version 4903
+mem_initial 77816
+Number of user verts.  2
+maxArea 5e-05
+funtion     time   memory usage, cumulative, for nix machines
+user_outline_created   0.15   32.00
+mesh_generated   1.26   27224.00
+export_mesh_file   0.82   27224.00
+
+"""