From: Raymond Hettinger <python@rcn.com>
Date: Sun, 8 Feb 2004 18:56:07 +0000 (+0000)
Subject: SF patch #875689: >100k alloc wasted on startup
X-Git-Tag: v2.3.4c1~139
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6ea07f9ac034305149da3d987fa0b6be9a7c6f3;p=thirdparty%2FPython%2Fcpython.git

SF patch #875689: >100k alloc wasted on startup
(Contributed by Mike Pall.)

Make sure fill_free_list() is called only once rather than 106 times
when pre-allocating small ints.
---

diff --git a/Objects/intobject.c b/Objects/intobject.c
index a3df3bab61f5..8a27bfe4d597 100644
--- a/Objects/intobject.c
+++ b/Objects/intobject.c
@@ -1080,7 +1080,7 @@ _PyInt_Init(void)
 	int ival;
 #if NSMALLNEGINTS + NSMALLPOSINTS > 0
 	for (ival = -NSMALLNEGINTS; ival < NSMALLPOSINTS; ival++) {
-		if ((free_list = fill_free_list()) == NULL)
+              if (!free_list && (free_list = fill_free_list()) == NULL)
 			return 0;
 		/* PyObject_New is inlined */
 		v = free_list;