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GH-131798: Optimize cached class attributes and methods in the JIT #134403

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Merged
merged 10 commits into from
May 22, 2025
Merged

GH-131798: Optimize cached class attributes and methods in the JIT #134403

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54dedf6
Optimize (and peephole away) cached attributes
brandtbucher May 21, 2025
b7d8c03
blurb add
brandtbucher May 21, 2025
844299c
Add a test for _LOAD_ATTR_METHOD_LAZY_DICT
brandtbucher May 21, 2025
c83acf9
fixup
brandtbucher May 21, 2025
bb5e18e
Add link back
brandtbucher May 21, 2025
0e20c44
fixup
brandtbucher May 21, 2025
d490347
Revert the _LOAD_SMALL_INT stuff.
brandtbucher May 21, 2025
58017a8
Add tests
brandtbucher May 21, 2025
1d2f546
make regen-cases
brandtbucher May 21, 2025
0202451
Catch up with main
brandtbucher May 22, 2025
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@brandtbucher
brandtbucher committed May 21, 2025
commit bb5e18edf6ce879adec034c4915d26b397f4dfd2
10 changes: 7 additions & 3 deletions Python/optimizer_symbols.c
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Expand Up @@ -13,8 +13,12 @@
#include <stdint.h>
#include <stddef.h>

/* Symbols
=======
/*

Symbols
=======

https://github.com/faster-cpython/ideas/blob/main/3.13/redundancy_eliminator.md

Logically, all symbols begin as UNKNOWN, and can transition downwards along the
edges of the lattice, but *never* upwards (see the diagram below). The UNKNOWN
Expand Down Expand Up @@ -48,7 +52,7 @@ result of a truth test, which would allow us to narrow the symbol to KNOWN_VALUE
the same symbol, that would be a contradiction, and the symbol would be set to
BOTTOM (indicating that the code is unreachable).

*/
*/

#ifdef Py_DEBUG
static inline int get_lltrace(void) {
Expand Down