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Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/whatsnew/3.8.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst index 05b7d23..758d32e 100644 --- a/Doc/whatsnew/3.8.rst +++ b/Doc/whatsnew/3.8.rst @@ -242,6 +242,11 @@ Optimizations Note that this means that instances can no longer be weak-referenced and that arbitrary attributes can no longer be added to them. +* The :class:`list` constructor does not overallocate the internal item buffer + if the input iterable has a known length (the input implements ``__len__``). + This makes the created list 12% smaller on average. (Contributed by Pablo + Galindo in :issue:`33234`.) + Build and C API Changes ======================= |