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bpo-43452: Document the PyType_Lookup optimizations in the What's New for 3.10 (GH-24949)

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Pablo Galindo 2021-03-24 00:04:52 +00:00 • committed by GitHub
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@ -946,7 +946,6 @@ Optimizations
for more details. (Contributed by Victor Stinner and Pablo Galindo in for more details. (Contributed by Victor Stinner and Pablo Galindo in
:issue:`38980`.) :issue:`38980`.)
* Function parameters and their annotations are no longer computed at runtime, * Function parameters and their annotations are no longer computed at runtime,
but rather at compilation time. They are stored as a tuple of strings at the but rather at compilation time. They are stored as a tuple of strings at the
bytecode level. It is now around 2 times faster to create a function with bytecode level. It is now around 2 times faster to create a function with
@ -958,6 +957,10 @@ Optimizations
algorithm to avoid quadratic behavior on long strings. (Contributed algorithm to avoid quadratic behavior on long strings. (Contributed
by Dennis Sweeney in :issue:`41972`) by Dennis Sweeney in :issue:`41972`)
* Added micro-optimizations to ``_PyType_Lookup()`` to improve type attribute cache lookup
performance in the common case of cache hits. This makes the interpreter 1.04 times faster
in average (Contributed by Dino Viehland in :issue:`43452`)
Deprecated Deprecated
========== ==========