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bpo-42927: Update the What's new entry for LOAD_ATTR optimizations (GH-24383)

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Pablo Galindo 2021-01-31 22:55:48 +00:00 committed by GitHub
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Doc/whatsnew/3.10.rst
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@ -556,10 +556,10 @@ Optimizations
(Contributed by Victor Stinner in :issue:`41006`.) (Contributed by Victor Stinner in :issue:`41006`.)
* The ``LOAD_ATTR`` instruction now uses new "per opcode cache" mechanism. It * The ``LOAD_ATTR`` instruction now uses new "per opcode cache" mechanism. It
is about 36% faster now. This makes optimized ``LOAD_ATTR`` instructions the is about 36% faster now for regular attributes and 44% faster for slots.
current most performance attribute access method (faster than slots). (Contributed by Pablo Galindo and Yury Selivanov in :issue:`42093` and Guido
(Contributed by Pablo Galindo and Yury Selivanov in :issue:`42093`, based on van Rossum in :issue:`42927`, based on ideas implemented originally in PyPy
ideas implemented originally in PyPy and MicroPython.) and MicroPython.)
* When building Python with ``--enable-optimizations`` now * When building Python with ``--enable-optimizations`` now
``-fno-semantic-interposition`` is added to both the compile and link line. ``-fno-semantic-interposition`` is added to both the compile and link line.