From 816ed1b0bdd3f50375bef334a41e5f20d58910f9 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sun, 4 Jan 2004 03:47:51 +0000
Subject: SF patch #868736:  Disable GC for timeit

Make timings more consistent by temporarily disabling GC.
---
 Lib/timeit.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Lib/timeit.py b/Lib/timeit.py
index 7829395..8c0f7a5 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.
-- 
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