diff --git a/gmsh/scale.py b/gmsh/scale.py
new file mode 100644
index 0000000..0f3dfd4
--- /dev/null
+++ b/gmsh/scale.py
@@ -0,0 +1,12 @@
+import sys
+import shelve
+
+s = shelve.open(sys.argv[1])
+print s
+
+# {'count': 10000, 'tasks': defaultdict(<type 'int'>, {'m5-2-1.local-31671': 10000}), 'extra': 256, 'receive': 1148.0290439128876, 'submit': 4.298105001449585, 'participants': 1, 'order': 5}
+
+for k in sorted(s):
+  run = s[k]['stats']
+  print run['tasks']
+  print run['participants'], run['receive'] / run['count']