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SF patch #875689: >100k alloc wasted on startup

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(Contributed by Mike Pall.)

Make sure fill_free_list() is called only once rather than 106 times
when pre-allocating small ints.
This commit is contained in:
Raymond Hettinger 2004-02-08 18:54:37 +00:00
parent 4c9800d663
commit b32e640489
2 changed files with 2 additions and 1 deletions
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1
Misc/ACKS
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@ -411,6 +411,7 @@ Jason Orendorff
Douglas Orr
Denis S. Otkidach
Russel Owen
Mike Pall
Todd R. Palmer
Alexandre Parenteau
Dan Parisien

2
Objects/intobject.c
View File

@ -1064,7 +1064,7 @@ _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;