New submission from sfmc <sergey_filimo...@mentor.com>:
In Windows shutil.copy() uses _copyfileobj_readinto which copies file in user mode. In Windows there is an fast API to copy file in kernel mode: CopyFile (see https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-copyfile). ---------- components: Library (Lib) messages: 397076 nosy: sfmc priority: normal severity: normal status: open title: shutil.copy() inefficient implementation in Windows type: performance versions: Python 3.8 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue44579> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com