Issue #21233: Add new C functions: PyMem_RawCalloc(), PyMem_Calloc(),

PyObject_Calloc(), _PyObject_GC_Calloc(). bytes(int) and bytearray(int) are now
using ``calloc()`` instead of ``malloc()`` for large objects which is faster
and use less memory (until the bytearray buffer is filled with data).
This commit is contained in:
Victor Stinner 2014-05-02 22:31:14 +02:00
parent d50c3f3f3a
commit db067af12a
11 changed files with 366 additions and 71 deletions

View file

@ -95,6 +95,7 @@ PyObject_{New, NewVar, Del}.
the raw memory.
*/
PyAPI_FUNC(void *) PyObject_Malloc(size_t size);
PyAPI_FUNC(void *) PyObject_Calloc(size_t nelem, size_t elsize);
PyAPI_FUNC(void *) PyObject_Realloc(void *ptr, size_t new_size);
PyAPI_FUNC(void) PyObject_Free(void *ptr);
@ -321,7 +322,8 @@ extern PyGC_Head *_PyGC_generation0;
(!PyTuple_CheckExact(obj) || _PyObject_GC_IS_TRACKED(obj)))
#endif /* Py_LIMITED_API */
PyAPI_FUNC(PyObject *) _PyObject_GC_Malloc(size_t);
PyAPI_FUNC(PyObject *) _PyObject_GC_Malloc(size_t size);
PyAPI_FUNC(PyObject *) _PyObject_GC_Calloc(size_t size);
PyAPI_FUNC(PyObject *) _PyObject_GC_New(PyTypeObject *);
PyAPI_FUNC(PyVarObject *) _PyObject_GC_NewVar(PyTypeObject *, Py_ssize_t);
PyAPI_FUNC(void) PyObject_GC_Track(void *);