Skip to content

BLD: Try using shared memory utilities in Cython to reduce wheel sizes #61384

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

Open
wants to merge 6 commits into
base: main
Choose a base branch
from
+33 −3
Open

BLD: Try using shared memory utilities in Cython to reduce wheel sizes #61384

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
600bf5a
BLD: Try using shared memory utilities in Cython to reduce wheel sizes
lithomas1 May 1, 2025
6368144
fix syntax
lithomas1 May 1, 2025
cf81ec7
maybe fix?
lithomas1 May 1, 2025
03b6321
switch keyword order?
lithomas1 May 1, 2025
684e8c5
try putting as list?
lithomas1 May 1, 2025
be7ad4e
try the cython rc
lithomas1 May 1, 2025
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
18 changes: 18 additions & 0 deletions meson.build
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,24 @@ endif
cy = meson.get_compiler('cython')
if cy.version().version_compare('>=3.1.0')
add_project_arguments('-Xfreethreading_compatible=true', language: 'cython')

# Use shared utility code to reduce wheel sizes
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Cool seems useful. Is there any discussion to add this natively to Meson instead of custom-coding this ourselves?

# copied from https://github.com/scikit-learn/scikit-learn/pull/31151/files
cy = find_program(cy.cmd_array()[0])
cython_shared_src = custom_target(
install: false,
output: '_cyutility.c',
command: [
cy, '-3', '--fast-fail',
'--generate-shared=' + meson.current_build_dir()/'_cyutility.c'
],
)

py.extension_module('_cyutility',
cython_shared_src,
subdir: 'pandas/_libs',
install: true,
)
endif

# Needed by pandas.test() when it looks for the pytest ini options
Expand Down
6 changes: 6 additions & 0 deletions pandas/_libs/meson.build
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -148,6 +148,12 @@ if get_option('buildtype') == 'debug'
cython_args += ['--gdb']
endif

# Use shared utility code to reduce wheel sizes
# copied from https://github.com/scikit-learn/scikit-learn/pull/31151/files
if cy.version().version_compare('>=3.1.0')
cython_args += ['--shared=pandas._libs._cyutility']
endif

foreach ext_name, ext_dict : libs_sources
py.extension_module(
ext_name,
Expand Down
6 changes: 6 additions & 0 deletions pandas/_libs/tslibs/meson.build
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,12 @@ if get_option('buildtype') == 'debug'
cython_args += ['--gdb']
endif

# Use shared utility code to reduce wheel sizes
# copied from https://github.com/scikit-learn/scikit-learn/pull/31151/files
if cy.version().version_compare('>=3.1.0')
cython_args += ['--shared=pandas._libs._cyutility']
endif

foreach ext_name, ext_dict : tslibs_sources
py.extension_module(
ext_name,
Expand Down
4 changes: 2 additions & 2 deletions pandas/_libs/window/meson.build
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
py.extension_module(
'aggregations',
['aggregations.pyx'],
cython_args: ['-X always_allow_keywords=true'],
cython_args: ['-X always_allow_keywords=true', '--shared=pandas._libs._cyutility'],
include_directories: [inc_np, inc_pd],
subdir: 'pandas/_libs/window',
override_options: ['cython_language=cpp'],
Expand All @@ -11,7 +11,7 @@ py.extension_module(
py.extension_module(
'indexers',
['indexers.pyx'],
cython_args: ['-X always_allow_keywords=true'],
cython_args: ['-X always_allow_keywords=true', '--shared=pandas._libs._cyutility'],
include_directories: [inc_np, inc_pd],
subdir: 'pandas/_libs/window',
install: true,
Expand Down
2 changes: 1 addition & 1 deletion pyproject.toml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ requires = [
"meson-python>=0.13.1",
"meson>=1.2.1,<2",
"wheel",
"Cython~=3.0.5", # Note: sync with setup.py, environment.yml and asv.conf.json
"Cython==3.1.0rc1", # Note: sync with setup.py, environment.yml and asv.conf.json
# Force numpy higher than 2.0rc1, so that built wheels are compatible
# with both numpy 1 and 2
"numpy>=2.0.0rc1",
Expand Down
Loading