tests/bench: import "slightly more reliable time" script

tests/bench/megatime.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+import sys
+import os
+import time
+
+
+times = []
+for x in xrange(5):
+    t0 = time.time()
+    os.spawnvp(os.P_WAIT, sys.argv[1], sys.argv[1:])
+    t = time.time() - t0
+    times.append(t)
+    print '+++', t
+
+print 'all:', times
+print 'min %s max %s diff %s' % (min(times), max(times), (max(times) - min(times)))