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bpo-40222: "Zero cost" exception handling (GH-25729)

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"Zero cost" exception handling.

* Uses a lookup table to determine how to handle exceptions.
* Removes SETUP_FINALLY and POP_TOP block instructions, eliminating (most of) the runtime overhead of try statements.
* Reduces the size of the frame object by about 60%.
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Mark Shannon 2021-05-07 15:19:19 +01:00 • committed by GitHub
parent b32c8e9795
commit adcd220556
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Doc/whatsnew/3.11.rst
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@ -91,10 +91,12 @@ Optimizations
=============
Build and C API Changes
=======================
* :c:func:`PyFrame_BlockSetup` and :c:func:`PyFrame_BlockPop` have been removed.
Deprecated
==========