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Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552-60567 via svnmerge from

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svn+ssh://pythondev@svn.python.org/python/trunk

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  r60553 | neal.norwitz | 2008-02-03 17:53:09 +0100 (Sun, 03 Feb 2008) | 1 line

  Ignore leaky warnings from test_asynchat
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  r60555 | christian.heimes | 2008-02-03 20:51:13 +0100 (Sun, 03 Feb 2008) | 1 line

  Another int -> pid_t case
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  r60560 | amaury.forgeotdarc | 2008-02-03 23:51:43 +0100 (Sun, 03 Feb 2008) | 6 lines

  Ensure that PySet_Add() operates on a newly created frozenset, like PyTuple_SetItem does.

  Add PyFrozenSet_Check(), which was not needed before; The list of Py*Set_Check* macros seems to be complete now.

  Add missing NEWS entries about all this.
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  r60563 | amaury.forgeotdarc | 2008-02-04 00:14:32 +0100 (Mon, 04 Feb 2008) | 2 lines

  Nasty typo in setobject.h
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  r60564 | amaury.forgeotdarc | 2008-02-04 00:15:32 +0100 (Mon, 04 Feb 2008) | 3 lines

  Correct test_mailbox on win32: since the test sets a custom 'colon' attribute
  to the main mailbox, copy it to secondary mailbox instances.
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  r60565 | amaury.forgeotdarc | 2008-02-04 00:57:24 +0100 (Mon, 04 Feb 2008) | 2 lines

  Let test_socketserver pass on win32, which does not have AF_UNIX sockets.
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  r60566 | jeffrey.yasskin | 2008-02-04 02:04:35 +0100 (Mon, 04 Feb 2008) | 2 lines

  Make int() and long() fall back to __trunc__(). See issue 2002.
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  r60567 | christian.heimes | 2008-02-04 19:00:12 +0100 (Mon, 04 Feb 2008) | 3 lines

  Patch #1953
  I implemented the function sys._compact_freelists() and C API functions PyInt_/PyFloat_CompactFreeList() to compact the pre-allocated blocks of ints and floats. They allow the user to reduce the memory usage of a Python process that deals with lots of numbers.
  The patch also renames sys._cleartypecache to sys._clear_type_cache
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This commit is contained in:
Christian Heimes 2008-02-04 18:48:49 +00:00
parent fdb6bb56c1
commit 15ebc88d87
18 changed files with 256 additions and 36 deletions
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30
Objects/floatobject.c
View file

@ -1540,17 +1540,15 @@ _PyFloat_Init(void)
}
void
PyFloat_Fini(void)
PyFloat_CompactFreeList(size_t *pbc, size_t *pbf, size_t *bsum)
{
PyFloatObject *p;
PyFloatBlock *list, *next;
unsigned i;
int bc, bf; /* block count, number of freed blocks */
int frem, fsum; /* remaining unfreed floats per block, total */
size_t bc = 0, bf = 0; /* block count, number of freed blocks */
size_t fsum = 0; /* total unfreed ints */
int frem; /* remaining unfreed ints per block */
bc = 0;
bf = 0;
fsum = 0;
list = block_list;
block_list = NULL;
free_list = NULL;
@ -1585,6 +1583,22 @@ PyFloat_Fini(void)
fsum += frem;
list = next;
}
*pbc = bc;
*pbf = bf;
*bsum = fsum;
}
void
PyFloat_Fini(void)
{
PyFloatObject *p;
PyFloatBlock *list;
unsigned i;
size_t bc, bf; /* block count, number of freed blocks */
size_t fsum; /* total unfreed floats per block */
PyFloat_CompactFreeList(&bc, &bf, &fsum);
if (!Py_VerboseFlag)
return;
fprintf(stderr, "# cleanup floats");
@ -1593,7 +1607,9 @@ PyFloat_Fini(void)
}
else {
fprintf(stderr,
": %d unfreed float%s in %d out of %d block%s\n",
": %" PY_FORMAT_SIZE_T "d unfreed floats%s in %"
PY_FORMAT_SIZE_T "d out of %"
PY_FORMAT_SIZE_T "d block%s\n",
fsum, fsum == 1 ? "" : "s",
bc - bf, bc, bc == 1 ? "" : "s");
}