[issue41601] Performance issue using isspace() in extension module on Windows

Steve Dower added the comment: Distutils is now deprecated (see PEP 632) and all tagged issues are being closed. From now until removal, only release blocking issues will be considered for distutils. If this issue does not relate to distutils, please remove the component and reopen it. If y

[issue41601] Performance issue using isspace() in extension module on Windows

Change by Clemens : Added file: https://bugs.python.org/file49413/test.py ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscri

[issue41601] Performance issue using isspace() in extension module on Windows

Change by Clemens : Added file: https://bugs.python.org/file49412/setup.py ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscr

[issue41601] Performance issue using isspace() in extension module on Windows

Change by Clemens : Added file: https://bugs.python.org/file49411/isspace_ext.cpp ___ Python tracker ___ ___ Python-bugs-list mailing list U

[issue41601] Performance issue using isspace() in extension module on Windows

New submission from Clemens : Function isspace() is significantly slower in extension modules in Python 3.7 or later than in Python 3.6 on Windows 10. Python 3.6: >python test.py Locale: C Set locale: C Locale: C Duration: 0.19718074798583984 Python 3.7: >python test.py Locale: C Set locale: