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Diffstat (limited to 'Doc/whatsnew/3.7.rst')
| -rw-r--r-- | Doc/whatsnew/3.7.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.7.rst b/Doc/whatsnew/3.7.rst index 7c98c7c..c35f07c 100644 --- a/Doc/whatsnew/3.7.rst +++ b/Doc/whatsnew/3.7.rst @@ -853,6 +853,12 @@ Optimizations * Constant folding is moved from peephole optimizer to new AST optimizer. (Contributed by Eugene Toder and INADA Naoki in :issue:`29469`) +* Most functions and methods in :mod:`abc` have been rewrittent in C. + This makes creation of abstract base classes, and calling :func:`isinstance` + and :func:`issubclass` on them 1.5x faster. This also reduces Python + start-up time by up to 10%. (Contributed by Ivan Levkivskyi and INADA Naoki + in :issue:`31333`) + Build and C API Changes ======================= |