diff options
| -rw-r--r-- | Doc/library/time.rst | 8 | ||||
| -rw-r--r-- | Doc/whatsnew/3.11.rst | 14 |
2 files changed, 11 insertions, 11 deletions
diff --git a/Doc/library/time.rst b/Doc/library/time.rst index 0f88091..622f667 100644 --- a/Doc/library/time.rst +++ b/Doc/library/time.rst @@ -362,7 +362,10 @@ Functions On Windows, if *secs* is zero, the thread relinquishes the remainder of its time slice to any other thread that is ready to run. If there are no other threads ready to run, the function returns immediately, and the thread - continues execution. + continues execution. On Windows 8.1 and newer the implementation uses + a `high-resolution timer + <https://docs.microsoft.com/en-us/windows-hardware/drivers/kernel/high-resolution-timers>`_ + which provides resolution of 100 nanoseconds. If *secs* is zero, ``Sleep(0)`` is used. Unix implementation: @@ -370,9 +373,6 @@ Functions * Or use ``nanosleep()`` if available (resolution: 1 nanosecond); * Or use ``select()`` (resolution: 1 microsecond). - On Windows, a waitable timer is used (resolution: 100 nanosecond). If *secs* is - zero, ``Sleep(0)`` is used. - .. versionchanged:: 3.11 On Unix, the ``clock_nanosleep()`` and ``nanosleep()`` functions are now used if available. On Windows, a waitable timer is now used. diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst index 0c7c74e..06a2415 100644 --- a/Doc/whatsnew/3.11.rst +++ b/Doc/whatsnew/3.11.rst @@ -269,6 +269,7 @@ threading by system clock changes. (Contributed by Victor Stinner in :issue:`41710`.) + time ---- @@ -278,14 +279,13 @@ time of 1 microsecond (10\ :sup:`-6` seconds). (Contributed by Benjamin Szőke and Victor Stinner in :issue:`21302`.) -* On Windows, :func:`time.sleep` now uses a waitable timer which has a - resolution of 100 nanoseconds (10\ :sup:`-7` seconds). Previously, it had - a resolution of 1 millisecond (10\ :sup:`-3` seconds). - (Contributed by Benjamin Szőke and Victor Stinner in :issue:`21302`.) +* On Windows 8.1 and newer, :func:`time.sleep` now uses a waitable timer based + on `high-resolution timers + <https://docs.microsoft.com/en-us/windows-hardware/drivers/kernel/high-resolution-timers>`_ + which has a resolution of 100 nanoseconds (10\ :sup:`-7` seconds). Previously, + it had a resolution of 1 millisecond (10\ :sup:`-3` seconds). + (Contributed by Benjamin Szőke, Dong-hee Na, Eryk Sun and Victor Stinner in :issue:`21302` and :issue:`45429`.) -* On Windows, :func:`time.sleep` now uses a waitable timer which supports high-resolution timers. - In Python 3.10, the best resolution was 1 ms, from Python 3.11 it's now smaller than 1 ms. - (Contributed by Dong-hee Na and Eryk Sun in :issue:`45429`.) unicodedata ----------- |