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/ Python/optimizer_analysis.c
main
May 11, 2026
A
gh-145235: Make dict watcher API thread-safe for free-threaded builds (gh-145233)
Alper committed
8a48959
May 3, 2026
W
gh-149217: Avoid adding dependencies on immutable, immortal classes in the JIT (GH149256)
Wulian233 committed
8a7edda
April 27, 2026
M
GH-146073: Add fitness to executor dumps. (GH-148959)
Mark Shannon committed
276f474
April 14, 2026
N
gh-148510: restore `func_version` check in `_LOAD_ATTR_PROPERTY_FRAME` (GH-148528)
Neko Asakura committed
52a7f1b
April 12, 2026
K
gh-146261: JIT: protect against function version changes (#146300)
Ken Jin committed
6f7bb29
S
gh-148393: Use atomic ops on _ma_watcher_tag in free threading build (gh-148397)
Sam Gross committed
3ab94d6
April 11, 2026
K
gh-131798: do not watch immutable types in JIT (#148383)
Kumar Aditya committed
ba1e1c1
N
gh-148211: decompose `_POP_TWO/_POP_CALL(_ONE/_TWO)` in JIT (GH-148377)
Neko Asakura committed
9831dea
N
gh-148211: decompose `[_POP_TWO/_INSERT_2]_LOAD_CONST_INLINE_BORROW` in JIT (GH-148357)
Neko Asakura committed
72006a7
April 10, 2026
K
gh-148171: Convert CALL_BUILTIN_FAST to leave inputs on the stack for refcount elimination in JIT (GH-148172)
Ken Jin committed
266247c
N
gh-148211: decompose `[_POP_CALL_X/_SHUFFLE_2]_LOAD_CONST_INLINE_BORROW` in JIT (GH-148313)
Neko Asakura committed
aea0b91
April 9, 2026
N
gh-148211: decompose `_INSERT_1_LOAD_CONST_INLINE(_BORROW)` in JIT (GH-148283)
Neko Asakura committed
0f49232
K
gh-131798: fold super method lookups in JIT (#148231)
Kumar Aditya committed
458aca9
N
gh-148211: refactor bool to explicit uops in JIT (GH-148258)
Neko Asakura committed
b5ccf00
April 8, 2026
N
gh-148211: decompose `_POP_TOP_LOAD_CONST_INLINE(_BORROW)` in JIT (GH-148230)
Neko Asakura committed
d2fa4b2
N
gh-148235: remove duplicate uops `_LOAD_CONST_UNDER_INLINE(_BORROW)` in JIT (GH-148236)
Neko Asakura committed
7563585
April 4, 2026
D
gh-148083: Prevent constant folding when lhs is container types (gh-148090)
Donghee Na committed
853dafe
D
gh-148083: Constant-fold _CONTAINS_OP_SET for frozenset (gh-148084)
Donghee Na committed
289f19a
March 30, 2026
K
gh-146558: JIT optimize dict access for objects with known hash (#146559)
Kumar Aditya committed
8e9d21c
March 26, 2026
K
gh-GH-131798: optimize jit attribute loads on immutable types (#146449)
Kumar Aditya committed
fc1f6b1
March 20, 2026
K
gh-146099: Optimize _GUARD_CODE_VERSION+IP via function version symbols (GH-146101)
Ken Jin committed
acfb452
March 3, 2026
D
gh-145214: Narrow _GUARD_TOS_ANY_{SET,DICT} by using probable type (gh-145215)
Donghee Na committed
6908372
February 19, 2026
M
GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
Mark Shannon committed
3f37b94
February 14, 2026
C
fix warnings in jit builds (GH-144817)
Chris Eibl committed
caac966
February 9, 2026
H
gh-144623: Fix missing output uops in optimizer debug output (GH-144617)
Hai Zhu committed
988286e
February 5, 2026
M
GH-144179: Use recorded values to make optimizer more robust (GH-144437)
Mark Shannon committed
b53fc7c
February 2, 2026
H
gh-144145: Revert PR#144122 for performance and potential bugs. (GH-144391)
Hai Zhu committed
ebbb2ca
January 30, 2026
H
gh-144145: Track nullness of properties in the Tier 2 JIT optimizer (GH-144122)
Hai Zhu committed
1dc12b2
January 29, 2026
H
gh-143946: Add more debug info in `optimize_uops` (GH-144262)
Hai Zhu committed
26996b5
January 25, 2026
A
gh-143995: Eliminate redundant refcounting in the JIT from LOAD_ATTR_MODULE (GH-143996)
AN Long committed
6e55337
January 24, 2026
R
gh-130415: Narrow types to constants in branches involving specialized comparisons with a constant (GH-144150)
reiden committed
6d972e0
K
gh-144016: Fix bad stack assert in the JIT optimizer (GH-144019)
Ken Jin committed
ca99bfd
January 22, 2026
M
GH-139109: Partial reworking of JIT data structures (GH-144105)
Mark Shannon committed
d77aaa7
R
gh-130415: Narrowing to constants in branches involving `is` comparisons with a constant (GH-143895)
reiden committed
0b08438
January 21, 2026
M
GH-138245: Perform boolean guards by testing a single bit, rather than a full pointer comparison. (GH-143810)
Mark Shannon committed
9eab67d
January 17, 2026
H
gh-143421: Use new buffer to save optimized uops (GH-143682)
Hai Zhu committed
b4b7324
H
gh-143946: Show `JitOptSymbol` on abstract stack when set PYTHON_OPT_DEBUG > 4 (GH-143957)
Hai Zhu committed
61ec66a
January 9, 2026
K
gh-143421: Allocate all JIT state in one go (GH-143626)
Ken Jin committed
e0fb278
K
gh-143421: Lazily allocate tracer code and opt buffers (GH-143597)
Ken Jin committed
b852236
January 8, 2026
H
gh-143421: Move `JitOptContext` from stack allocation to per-thread heap allocation (GH-143536)
Hai Zhu committed
aeb3403
January 6, 2026
N
gh-134584: Eliminate redundant refcounting from `TO_BOOL_STR` (GH-143417)
Nadeshiko Manju committed
0a5c04a
December 23, 2025
T
gh-134584: Eliminate redundant refcounting from `_CALL_TYPE_1` (GH-135818)
Tomas R. committed
25c294b
December 15, 2025
K
gh-134584: Remove custom float decref ops (GH-142576)
Ken Jin committed
0ac4e6c
December 8, 2025
K
gh-142276: Watch attribute loads when promoting JIT constants (GH-142303)
Ken Jin committed
97f0a1f
December 4, 2025
K
gh-141976: Check stack bounds in JIT optimizer (GH-142201)
Ken Jin committed
b3bf212
December 3, 2025
M
GH-141794: Limit size of generated machine code. (GH-142228)
Mark Shannon committed
62423c9
November 13, 2025
K
gh-139109: A new tracing JIT compiler frontend for CPython (GH-140310)
Ken Jin committed
4fa80ce
September 18, 2025
M
GH-138378: Move globals-to-consts pass into main optimizer pass (GH-138379)
Mark Shannon committed
3b83257
September 15, 2025
K
gh-132732: Clear errors in JIT optimizer on error (GH-136048)
Ken Jin committed
46f823b
September 3, 2025
A
gh-137136: Suppress build warnings when build on Windows with --experimental-jit-interpreter (GH-137137)
AN Long committed
1ff2cbb