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The Python programming language

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/ Python/optimizer_analysis.c
9745976ac6b3e1633838fb6c192328b08ca3f8ce
July 26, 2025
S
GH-132732: Use pure op machinery to optimize `COMPARE_OP_INT/FLOAT/STR` (#137062)
Savannah Bailey committed
f7c380e
June 27, 2025
K
gh-132732: Automatically constant evaluate pure operations (GH-132733)
Ken Jin committed
695ab61
June 23, 2025
K
gh-134584: Specialize POP_TOP by reference and type in JIT (GH-135761)
Ken Jin committed
569fc68
June 20, 2025
K
gh-135608: Add a null check for attribute promotion to fix a JIT crash (GH-135613)
Ken Jin committed
b53b0c1
June 19, 2025
M
GH-135379: Specialize int operations for compact ints only (GH-135668)
Mark Shannon committed
9731dd2
June 17, 2025
K
gh-134584: Decref elimination for float ops in the JIT (GH-134588)
Ken Jin committed
fba5dde
May 23, 2025
T
gh-131798: Small improvements to `remove_unneeded_uops` (GH-134554)
Tomas R. committed
71dea74
May 22, 2025
T
GH-131798: Optimize away isinstance calls in the JIT (GH-134369)
Tomas R. committed
484e003
B
GH-131798: Optimize cached class attributes and methods in the JIT (GH-134403)
Brandt Bucher committed
ec736e7
May 20, 2025
B
GH-131798: Narrow types more aggressively in the JIT (GH-134373)
Brandt Bucher committed
2f0570c
May 1, 2025
A
Remove duplicate includes: Python/{bytecodes,ceval,optimizer_analysis}.c (#132622)
Adam Turner committed
f21e42d
April 21, 2025
B
GH-130415: Improve the JIT's unneeded uop removal pass (GH-132333)
Brandt Bucher committed
4f7f72c
April 1, 2025
B
GH-131726: Split up _CHECK_VALIDITY_AND_SET_IP (GH-131810)
Brandt Bucher committed
3a8cefb
M
gh-130704: Strength reduce `LOAD_FAST{_LOAD_FAST}` (#130708)
mpage committed
053c285
March 20, 2025
M
GH-131498: Remove conditional stack effects (GH-131499)
Mark Shannon committed
7ebd71e
March 2, 2025
B
GH-130415: Use boolean guards to narrow types to values in the JIT (GH-130659)
Brandt Bucher committed
7afa476
February 28, 2025
M
GH-130296: Avoid stack transients in four instructions. (GH-130310)
Mark Shannon committed
54965f3
February 7, 2025
B
GH-129715: Remove _DYNAMIC_EXIT (GH-129716)
Brandt Bucher committed
5fa7e1b
January 27, 2025
M
GH-128914: Remove all but one conditional stack effects (GH-129226)
Mark Shannon committed
75b4962
January 23, 2025
S
Revert "GH-128914: Remove conditional stack effects from `bytecodes.c` and the code generators (GH-128918)" (GH-129202)
Sam Gross committed
a10f993
January 20, 2025
M
GH-128914: Remove conditional stack effects from `bytecodes.c` and the code generators (GH-128918)
Mark Shannon committed
ab61d3f
M
GH-128939: Refactor JIT optimize structs (GH-128940)
Mark Shannon committed
f0f7b97
December 13, 2024
M
gh-115999: Specialize loading attributes from modules in free-threaded builds (#127711)
mpage committed
2de048c
November 9, 2024
K
gh-120619: Strength reduce function guards, support 2-operand uop forms (GH-124846)
Ken Jin committed
6293d00
October 9, 2024
M
gh-115999: Refactor `LOAD_GLOBAL` specializations to avoid reloading {globals, builtins} keys (gh-124953)
mpage committed
f978fb4
October 2, 2024
K
gh-120619: Optimize through `_Py_FRAME_GENERAL` (GH-124518)
Ken Jin committed
b84a763
October 1, 2024
S
gh-124296: Remove private dictionary version tag (PEP 699) (#124472)
Sam Gross committed
5aa91c5
September 24, 2024
S
gh-123923: Defer refcounting for `f_funcobj` in `_PyInterpreterFrame` (#124026)
Sam Gross committed
f4997bb
August 1, 2024
M
GH-118095: Add tier two support for BINARY_SUBSCR_GETITEM (GH-120793)
Mark Shannon committed
df13a18
June 26, 2024
V
gh-120642: Move private PyCode APIs to the internal C API (#120643)
Victor Stinner committed
9e4a81f
June 25, 2024
M
GH-120982: Add stack check assertions to generated interpreter code (GH-120992)
Mark Shannon committed
8f5a017
June 17, 2024
M
GH-120619: Clean up `RETURN_VALUE` instruction (GH-120624)
Mark Shannon committed
274f844
June 8, 2024
S
gh-119258: Eliminate Type Guards in Tier 2 Optimizer with Watcher (GH-119365)
Saul Shanabrook committed
55402d3
May 10, 2024
M
GH-118910: Less boilerplate in the tier 2 optimizer (#118913)
Mark Shannon committed
f5c6b99
May 1, 2024
G
gh-118335: Configure Tier 2 interpreter at build time (#118339)
Guido van Rossum committed
7d83f7b
April 25, 2024
M
GH-118095: Handle `RETURN_GENERATOR` in tier 2 (GH-118180)
Mark Shannon committed
f180b31
April 24, 2024
M
GH-115419: Move setting the instruction pointer to error exit stubs (GH-118088)
Mark Shannon committed
83235f7
April 22, 2024
M
GH-115480: Reduce guard strength for binary ops when type of one operand is known already (GH-118050)
Mark Shannon committed
a6647d1
April 19, 2024
M
GH-116202: Incorporate invalidation check into _START_EXECUTOR. (GH-118044)
Mark Shannon committed
7e6fa5f
M
GH-115419: Improve list of escaping functions (GH-118054)
Mark Shannon committed
d3bd6b5
April 18, 2024
M
GH-115419: Tidy up tier 2 optimizer. Merge peephole pass into main pass (GH-117997)
Mark Shannon committed
e32f6e9
April 3, 2024
P
gh-116168: Remove extra `_CHECK_STACK_SPACE` uops (#117242)
Peter Lazorchak committed
1c43468
March 26, 2024
M
GH-116422: Tier2 hot/cold splitting (GH-116813)
Mark Shannon committed
bf82f77
March 21, 2024
G
gh-117045: Add code object to function version cache (#117028)
Guido van Rossum committed
570a82d
M
gh-116996: Add pystats about _Py_uop_analyse_and_optimize (GH-116997)
Michael Droettboom committed
50369e6
March 20, 2024
M
GH-117066: Tier 2 optimizer: Don't throw away good traces if we can't optimize them perfectly. (GH-117067)
Mark Shannon committed
63289b9
March 18, 2024
G
Cleanup tier2 debug output (#116920)
Guido van Rossum committed
76d0868
March 11, 2024
M
GH-116596: Better determination of escaping uops. (GH-116597)
Mark Shannon committed
b6ae6da
March 8, 2024
M
GH-113710: Fix optimization of globals using `_CHECK_FUNCTION` (GH-116460)
Mark Shannon committed
0003285
March 6, 2024
M
GH-113710: Tier 2 optimizer: check the function instead of checking globals. (GH-116410)
Mark Shannon committed
27858e2