From: Raymond Hettinger <python@rcn.com>
Date: Sun, 4 Jan 2004 03:47:51 +0000 (+0000)
Subject: SF patch #868736:  Disable GC for timeit
X-Git-Tag: v2.4a1~975
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=816ed1b0bdd3f50375bef334a41e5f20d58910f9;p=thirdparty%2FPython%2Fcpython.git

SF patch #868736:  Disable GC for timeit

Make timings more consistent by temporarily disabling GC.
---

diff --git a/Lib/timeit.py b/Lib/timeit.py
index 782939526662..8c0f7a539928 100644
--- a/Lib/timeit.py
+++ b/Lib/timeit.py
@@ -51,6 +51,7 @@ use python -O for the older versions to avoid timing SET_LINENO
 instructions.
 """
 
+import gc
 import sys
 import time
 try:
@@ -155,7 +156,12 @@ class Timer:
             it = itertools.repeat(None, number)
         else:
             it = [None] * number
-        return self.inner(it, self.timer)
+        gcold = gc.isenabled()
+        gc.disable()
+        timing = self.inner(it, self.timer)
+        if gcold:
+            gc.enable()
+        return timing
 
     def repeat(self, repeat=default_repeat, number=default_number):
         """Call timeit() a few times.