Changeset 2072 for inundation/parallel

Timestamp:

Nov 25, 2005, 9:58:02 AM (19 years ago)

Author:

jack

Message:

Documentation update

Location:

inundation/parallel

Files:

• pmesh_divide.py (modified) (3 diffs)
• run_parallel_sw_merimbula_metis.py (modified) (2 diffs)

inundation/parallel/pmesh_divide.py

@@ -321 +321 @@
 
 
+###
+#
+# Divide the mesh using a call to metis, through pymetis.
+
 from os import sep
 from sys import path
@@ -330 +334 @@
 def pmesh_divide_metis(domain, n_procs):
     # initialise the lists
+    # List, indexed by processor of # triangles.
     triangles_per_proc = []
+    # List of lists, indexed by processor of vertex numbers
     tri_list = []
+    # List indexed by processor of cumulative total of triangles allocated.
     proc_sum = []
     for i in range(n_procs):
@@ -355 +362 @@
 
     # Assign triangles to processes, according to what metis told us.
-    
+
+    # tri_index maps triangle number -> processor, new triangle number
+    # (local to the processor)
     tri_index = {}
     triangles = []        

inundation/parallel/run_parallel_sw_merimbula_metis.py

@@ -1 +1 @@
 #!/usr/bin/env python
+###
+# Same as run_parallel_sw_merimbula.py, but uses pmesh_divide_metis
+# to partition the mesh.
 #########################################################
 #
@@ -100 +103 @@
     domain_full.set_quantity('stage', Set_Stage(756000.0,756500.0,2.0))
 
+    # Note the different arguments compared with pmesh_divide,
+    # pmesh_divide_steve etc.
     nodes, triangles, boundary, triangles_per_proc, quantities = \
          pmesh_divide_metis(domain_full, numprocs)