This file was a performance test of sorts

--HG--
rename : lab/bug397.py => perf/bug397.py

1 files changed, 0 insertions, 56 deletions

diff --git a/lab/bug397.py b/lab/bug397.py
deleted file mode 100644
index 4d72e908..00000000
--- a/lab/bug397.py
+++ /dev/null
@@ -1,56 +0,0 @@
-#!/usr/bin/env python
-"""
-Run this file two ways under coverage and see that the times are the same:
-
-    $ coverage run lab/bug397.py slow
-    Runtime per example: 130.96 +/- 3.70 us
-    $ coverage run lab/bug397.py fast
-    Runtime per example: 131.34 +/- 4.48 us
-
-Written by David MacIver as part of
-https://bitbucket.org/ned/coveragepy/issues/397/stopping-and-resuming-coverage-with
-
-"""
-from __future__ import print_function
-
-import sys
-import random
-import time
-import math
-
-if sys.argv[1] == "slow":
-    sys.settrace(sys.gettrace())
-
-random.seed(1)
-
-
-def hash_str(s):
-    h = 0
-    for c in s:
-        h = (h * 31 + ord(c)) & (2 ** 64 - 1)
-    return h
-
-data = [
-    hex(random.getrandbits(1024)) for _ in range(500)
-]
-
-N_SAMPLES = 100
-
-
-def mean(xs):
-    xs = list(xs)
-    return sum(xs) / len(xs)
-
-
-def sd(xs):
-    return math.sqrt(mean(x ** 2 for x in xs) - mean(xs) ** 2)
-
-
-if __name__ == '__main__':
-    timing = []
-    for _ in range(N_SAMPLES):
-        start = time.time()
-        for d in data:
-            hash_str(d)
-        timing.append(1000000 * (time.time() - start) / len(data))
-    print("Runtime per example:", "%.2f +/- %.2f us" % (mean(timing), sd(timing)))