diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/whatsnew/3.4.rst | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst index 820d0cb..cac02f1 100644 --- a/Doc/whatsnew/3.4.rst +++ b/Doc/whatsnew/3.4.rst @@ -853,6 +853,11 @@ descriptors or a Windows handle: * :func:`os.get_inheritable`, :func:`os.set_inheritable` * :func:`os.get_handle_inheritable`, :func:`os.set_handle_inheritable` +The :mod:`os` module now provides a :func:`~os.cpu_count` function, analogous to +the :func:`multiprocessing.cpu_count` function (which is now implemented in +terms of the new :mod:`os` function). (Contributed by Trent Nelson, Yogesh +Chaudhari, Victor Stinner, and Charles-François Natali in :issue:`17914`.) + pdb --- @@ -985,6 +990,8 @@ The ``socket.AF_*`` and ``socket.SOCK_*`` constants are now enumeration values using the new :mod:`enum` module. This allows meaningful names to be printed during debugging, instead of integer "magic numbers". +The :data:`~socket.AF_LINK` constant is now available on BSD and OSX. + sqlite3 ------- @@ -1341,6 +1348,11 @@ Significant Optimizations strings is now significantly faster. (Contributed by Victor Stinner and Antoine Pitrou in :issue:`15596`.) +* A performance issue in :meth:`io.FileIO.readall` has been solved. This + particularly affects Windows, and significantly speeds up the case of piping + significant amounts of data through :mod:`subprocess`. (Contributed + by Richard Oudkerk in :issue:`15758`.) + Deprecated |