diff options
| -rw-r--r-- | Doc/whatsnew/2.7.rst | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Doc/whatsnew/2.7.rst b/Doc/whatsnew/2.7.rst index e035eb0..9148743 100644 --- a/Doc/whatsnew/2.7.rst +++ b/Doc/whatsnew/2.7.rst @@ -132,9 +132,13 @@ A few performance enhancements have been added: * The garbage collector tries to avoid tracking simple containers which can't be part of a cycle. As of now, this is true for tuples and dicts containing atomic types (such as ints, strings, etc.). Transitively, a dict - containing tuples of atomic types won't be tracked either. This helps brings - down the cost of full garbage collections, since it decreases the number of - objects to be considered and traversed by the collector. + containing tuples of atomic types won't be tracked either. This helps bring + down the individual cost of each garbage collection, since it decreases the + number of objects to be considered and traversed by the collector. + + To help diagnosing this optimization, a new function in the :mod:`gc` + module, :func:`is_tracked`, returns True if a given instance is tracked + by the garbage collector, False otherwise. (Contributed by Antoine Pitrou; :issue:`4688`.) |