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- Issue #2862: Make int and float freelist management consistent with other

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freelists.  Changes their CompactFreeList apis into ClearFreeList apis and
  calls them via gc.collect().
This commit is contained in:
Gregory P. Smith 2008-07-06 03:35:58 +00:00
parent 17f2e4acb9
commit 2fe77060eb
11 changed files with 62 additions and 107 deletions
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43
Objects/floatobject.c
View file

@ -1608,30 +1608,28 @@ _PyFloat_Init(void)
PyStructSequence_InitType(&FloatInfoType, &floatinfo_desc);
}
void
PyFloat_CompactFreeList(size_t *pbc, size_t *pbf, size_t *bsum)
int
PyFloat_ClearFreeList(void)
{
PyFloatObject *p;
PyFloatBlock *list, *next;
unsigned i;
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 */
int i;
int u; /* remaining unfreed ints per block */
int freelist_size = 0;
list = block_list;
block_list = NULL;
free_list = NULL;
while (list != NULL) {
bc++;
frem = 0;
u = 0;
for (i = 0, p = &list->objects[0];
i < N_FLOATOBJECTS;
i++, p++) {
if (PyFloat_CheckExact(p) && Py_REFCNT(p) != 0)
frem++;
u++;
}
next = list->next;
if (frem) {
if (u) {
list->next = block_list;
block_list = list;
for (i = 0, p = &list->objects[0];
@ -1646,15 +1644,12 @@ PyFloat_CompactFreeList(size_t *pbc, size_t *pbf, size_t *bsum)
}
}
else {
PyMem_FREE(list); /* XXX PyObject_FREE ??? */
bf++;
PyMem_FREE(list);
}
fsum += frem;
freelist_size += u;
list = next;
}
*pbc = bc;
*pbf = bf;
*bsum = fsum;
return freelist_size;
}
void
@ -1662,25 +1657,21 @@ 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 */
int i;
int u; /* total unfreed floats per block */
PyFloat_CompactFreeList(&bc, &bf, &fsum);
u = PyFloat_ClearFreeList();
if (!Py_VerboseFlag)
return;
fprintf(stderr, "# cleanup floats");
if (!fsum) {
if (!u) {
fprintf(stderr, "\n");
}
else {
fprintf(stderr,
": %" PY_FORMAT_SIZE_T "d unfreed float%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");
": %d unfreed float%s\n",
u, u == 1 ? "" : "s");
}
if (Py_VerboseFlag > 1) {
list = block_list;