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Task/Time-a-function/Python/time-a-function.py

@@ -0,0 +1,18 @@
+import sys, timeit
+def usec(function, arguments):
+    modname, funcname = __name__, function.__name__
+    timer = timeit.Timer(stmt='%(funcname)s(*args)' % vars(),
+                         setup='from %(modname)s import %(funcname)s; args=%(arguments)r' % vars())
+    try:
+        t, N = 0, 1
+        while t < 0.2:
+            t = min(timer.repeat(repeat=3, number=N))
+            N *= 10
+        microseconds = round(10000000 * t / N, 1) # per loop
+        return microseconds
+    except:
+        timer.print_exc(file=sys.stderr)
+        raise
+
+ def nothing(): pass
+ def identity(x): return x