Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Use Cython's array to back Py_ssize_t[::1] #307

Merged
merged 1 commit into from
Oct 22, 2024
Merged

Use Cython's array to back Py_ssize_t[::1] #307

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 8 additions & 7 deletions python/ucxx/ucxx/_lib/arr.pyx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,12 @@
# cython: language_level=3


from cpython.array cimport array, newarrayobject
from cpython.buffer cimport PyBuffer_IsContiguous
from cpython.mem cimport PyMem_Free, PyMem_Malloc
from cpython.memoryview cimport (
PyMemoryView_FromObject,
PyMemoryView_GET_BUFFER,
)
from cpython.object cimport PyObject
from cpython.ref cimport Py_INCREF
from cpython.tuple cimport PyTuple_New, PyTuple_SET_ITEM
from cython cimport (
Expand All @@ -20,6 +19,7 @@ from cython cimport (
nonecheck,
wraparound,
)
from cython.view cimport array
from libc.stdint cimport uintptr_t
from libc.string cimport memcpy

Expand Down Expand Up @@ -62,13 +62,14 @@ cdef dict itemsize_mapping = {
}


cdef array array_Py_ssize_t = array("q")
cdef sizeof_Py_ssize_t = sizeof(Py_ssize_t)


cdef inline Py_ssize_t[::1] new_Py_ssize_t_array(Py_ssize_t n):
return newarrayobject(
(<PyObject*>array_Py_ssize_t).ob_type, n, array_Py_ssize_t.ob_descr
)
cdef Py_ssize_t[::1] new_Py_ssize_t_array(Py_ssize_t n):
cdef array a = array((n,), sizeof_Py_ssize_t, b"q", "c", False)
a.data = <char*>PyMem_Malloc(n * sizeof(Py_ssize_t))
a.callback_free_data = PyMem_Free
return a


@auto_pickle(False)
Expand Down