diff options
| -rw-r--r-- | Doc/whatsnew/3.2.rst | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/Doc/whatsnew/3.2.rst b/Doc/whatsnew/3.2.rst index e49db1e..53de2c9 100644 --- a/Doc/whatsnew/3.2.rst +++ b/Doc/whatsnew/3.2.rst @@ -846,7 +846,7 @@ Example of using barriers:: summarize(ballots) all_polls_closed = Barrier(len(sites)) - for site in sites(get_votes(site)): + for site in sites: Thread(target=get_votes, args=(site,)).start() In this example, the barrier enforces a rule that votes cannot be counted at any @@ -856,10 +856,13 @@ and continue to do work (summarizing ballots) after the barrier point is crossed. See `Barrier Synchronization Patterns -<http://parlab.eecs.berkeley.edu/wiki/_media/patterns/paraplop_g1_3.pdf>`_ -for more examples of how barriers can be used in parallel computing. +<http://parlab.eecs.berkeley.edu/wiki/_media/patterns/paraplop_g1_3.pdf>`_ for +more examples of how barriers can be used in parallel computing. Also, there is +a simple but thorough explanation of barriers in `The Little Book of Semaphores +<http://greenteapress.com/semaphores/downey08semaphores.pdf>`_, *section 3.6*. -(Contributed by Kristján Valur Jónsson in :issue:`8777`.) +(Contributed by Kristján Valur Jónsson with an API review by Jeffrey Yasskin in +:issue:`8777`.) datetime -------- |