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BUG: Disable parallel cythonize on Windows (GH 30214) #30585

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Merged
merged 5 commits into from
Jan 1, 2020
Merged

BUG: Disable parallel cythonize on Windows (GH 30214) #30585

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c64a548
BUG: Disable parallel cythonize on Windows (GH 30214)
Dr-Irv Dec 31, 2019
34a5808
add blank line to whatsnew
Dr-Irv Dec 31, 2019
428bf0e
fix formatting in whatsnew
Dr-Irv Dec 31, 2019
9f779f0
Add GH comment to code in setup.py
Dr-Irv Dec 31, 2019
aaeb597
put in -j 4 in Windows CI. Don't document change in whatsnew
Dr-Irv Dec 31, 2019
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4 changes: 3 additions & 1 deletion doc/source/whatsnew/v1.0.0.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -980,7 +980,9 @@ Other
- Fixed :class:`IntegerArray` returning ``inf`` rather than ``NaN`` for operations dividing by 0 (:issue:`27398`)
- Fixed ``pow`` operations for :class:`IntegerArray` when the other value is ``0`` or ``1`` (:issue:`29997`)
- Bug in :meth:`Series.count` raises if use_inf_as_na is enabled (:issue:`29478`)
- Bug in :class:`Index` where a non-hashable name could be set without raising ``TypeError`` (:issue:29069`)
- Bug in :class:`Index` where a non-hashable name could be set without raising ``TypeError`` (:issue:`29069`)
- Disabled parallel cython builds on Windows (:issue:`30214`)


.. _whatsnew_1000.contributors:

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4 changes: 4 additions & 0 deletions setup.py
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Expand Up @@ -526,6 +526,10 @@ def maybe_cythonize(extensions, *args, **kwargs):
elif parsed.j:
nthreads = parsed.j

if is_platform_windows() and nthreads > 0:
print("Parallel build for cythonize ignored on Windows")
nthreads = 0

kwargs["nthreads"] = nthreads
build_ext.render_templates(_pxifiles)
return cythonize(extensions, *args, **kwargs)
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