Pieter Eendebak
951675c18a
gh-146306: JIT: Optimize float operations by mutating uniquely-referenced operands in place (GH-146307)
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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-24 21:16:02 +08:00
Neko Asakura
6d73bc2267
gh-145866: Convert DICT_MERGE to leave its inputs on the stack to be cleaned up by _POP_TOP (GH-146329)
2026-03-24 18:31:41 +08:00
reiden
e36f8db7e5
gh-143414: Implement unique reference tracking for JIT, optimize unpacking of such tuples (GH-144300)
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Co-authored-by: Ken Jin <kenjin4096@gmail.com>
2026-03-23 00:57:23 +08:00
Mark Shannon
879c85f6e4
GH-145667: Merge GET_ITER and GET_YIELD_FROM_ITER (GH-146120)
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* Merge GET_ITER and GET_YIELD_FROM_ITER. Modify SEND to make it a bit more like FOR_ITER
2026-03-21 10:48:13 +00:00
Ken Jin
acfb4528de
gh-146099: Optimize _GUARD_CODE_VERSION+IP via function version symbols (GH-146101)
2026-03-20 12:26:41 +00:00
Mingzhu Yan
98977ca433
gh-131798: JIT: optimize _LOAD_COMMON_CONSTANT (GH-146104)
2026-03-20 05:55:22 +08:00
Sacul
0d37e423d5
gh-145866: Convert SET_UPDATE to leave its inputs on the stack to be cleaned up by _POP_TOP (GH-145979)
2026-03-19 19:17:58 +08:00
Ken Jin
966fc81531
gh-146058: Fix _GUARD_CODE_VERSION_* (GH-146060)
2026-03-18 01:19:44 +08:00
Sacul
1efd9939c8
gh-131798: Optimize _ITER_CHECK_RANGE and _ITER_CHECK_LIST in the JIT (GH-144583)
2026-03-17 22:07:17 +08:00
Ken Jin
3d0824aef2
gh-127958: Trace from RESUME in the JIT (GH-145905)
2026-03-17 00:18:59 +08:00
Ken Jin
182aea2f57
gh-146018: Disable over-aggressive optimization for _GUARD_CODE_VERSION (GH-145923)
2026-03-16 13:52:56 +00:00
Sacul
37121ef77e
gh-145866: Convert CALL_INTRINSIC_1 to leave its inputs on the stack to be cleaned up by _POP_TOP. (GH-145964)
2026-03-16 11:58:12 +00:00
Sacul
798070d8ca
gh-134584: Eliminate redundant refcounting in JIT for MATCH_CLASS (GH-144821)
2026-03-14 12:00:18 +00:00
Mark Shannon
453562a467
GH-145692: Convert DEOPT_IFs to EXIT_IFs (GH-145751)
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* Convert DEOPT_IFs to EXIT_IFs for guards. Keep DEOPT_IF for intentional drops to the interpreter.
* Modify BINARY_OP_SUBSCR_LIST_INT and STORE_SUBSCR_LIST_INT to handle negative indices, to keep EXIT_IFs and DEOPT_IFs in different uops
2026-03-12 10:57:59 +00:00
Hai Zhu
f062014d38
gh-144540: Add _MAKE_HEAP_SAFE uop to eliminate unnecessary refcount operations in RETURN_VALUE and YIELD_VALUE (GH-144414)
2026-03-11 20:24:19 +00:00
Donghee Na
6908372fb8
gh-145214: Narrow _GUARD_TOS_ANY_{SET,DICT} by using probable type (gh-145215)
2026-03-03 09:58:38 +09:00
Donghee Na
0f759f1171
gh-145122: Add _GUARD_NOS_ANY_DICT to prevent STORE_SUBSCR_DICT on frozendict (gh-145039)
2026-02-25 00:48:45 +09:00
Chris Eibl
5944a539b9
Fix warnings on main (GH-145104)
2026-02-22 19:02:15 +08:00
Mark Shannon
3f37b94c73
GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
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* Handle dependencies in the optimizer, not the tracer
* Strengthen some checks to avoid relying on optimizer for correctness
2026-02-19 11:52:57 +00:00
Chris Eibl
caac966b00
fix warnings in jit builds (GH-144817)
2026-02-14 17:39:10 +00:00
Sacul
6c8ca1c378
gh-134584: Optimize _BINARY_OP_SUBSCR_LIST_SLICE (GH-144659)
2026-02-10 22:33:32 +08:00
Sacul
cfeede85a7
GH-131798: Optimize _GUARD_TOS_SLICE (GH-144470)
2026-02-08 18:08:26 +00:00
Mark Shannon
b53fc7caa6
GH-144179: Use recorded values to make optimizer more robust (GH-144437)
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* Add three new symbol kinds
* Do not smuggle code object in _PUSH_FRAME operand
* Fix small bug in predicate analysis
2026-02-05 08:58:41 +00:00
Hai Zhu
89e6607e05
gh-139109: Replace _CHECK_STACK_SPACE with _CHECK_STACK_SPACE_OPERAND in JIT optiimizer (GH-144394)
2026-02-02 17:12:01 +00:00
Mark Shannon
141fd8b894
GH-144179: Add value recording to JIT tracing front-end (GH-144303)
2026-02-02 16:57:04 +00:00
Hai Zhu
ebbb2ca81f
gh-144145: Revert PR#144122 for performance and potential bugs. (GH-144391)
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Revert "gh-144145: Track nullness of properties in the Tier 2 JIT optimizer (GH-144122)"
This reverts commit 1dc12b2883
2026-02-02 14:09:54 +00:00
Hai Zhu
1dc12b2883
gh-144145: Track nullness of properties in the Tier 2 JIT optimizer (GH-144122)
2026-01-30 15:25:19 +00:00
AN Long
6e55337f8a
gh-143995: Eliminate redundant refcounting in the JIT from LOAD_ATTR_MODULE (GH-143996)
2026-01-25 18:24:44 +00:00
Yi Yang
979d92fefc
gh-144140: Optimize len for string constants in optimizer (GH-144142)
2026-01-24 16:09:29 +00:00
reiden
6d972e0104
gh-130415: Narrow types to constants in branches involving specialized comparisons with a constant (GH-144150)
2026-01-24 10:02:08 +00:00
AN Long
4e10fa993a
gh-144007: Eliminate redundant refcounting in the JIT for BINARY_OP (GH-144011)
2026-01-24 09:35:32 +00:00
AN Long
2f42f83344
gh-144005: Eliminate redundant refcounting in the JIT for BINARY_OP_EXTEND ( #144006 )
2026-01-23 17:19:01 +00:00
Mark Shannon
d77aaa7311
GH-139109: Partial reworking of JIT data structures (GH-144105)
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* Halve size of buffers by reusing combined trace + optimizer buffers for TOS caching
* Add simple buffer struct for more maintainable handling of buffers
* Decouple JIT structs from thread state struct
* Ensure terminator is added to trace, when optimizer gives up
2026-01-22 10:55:49 +00:00
reiden
0b08438ea6
gh-130415: Narrowing to constants in branches involving is comparisons with a constant (GH-143895)
2026-01-22 09:37:45 +00:00
Mark Shannon
9eab67d507
GH-138245: Perform boolean guards by testing a single bit, rather than a full pointer comparison. (GH-143810)
2026-01-21 15:58:27 +00:00
Hai Zhu
b4b73245d8
gh-143421: Use new buffer to save optimized uops (GH-143682)
2026-01-17 15:52:16 +00:00
Hai Zhu
61ec66acd5
gh-143946: Show JitOptSymbol on abstract stack when set PYTHON_OPT_DEBUG > 4 (GH-143957)
2026-01-17 15:20:35 +00:00
Ken Jin
2873c31edf
gh-131798: JIT optimizer: Support custom binary op and property frames (GH-143735)
2026-01-13 19:11:53 +00:00
reiden
c556786b8b
gh-134584: Eliminate redundant refcounting in TO_BOOL_INT, TO_BOOL_LIST (GH-143759)
2026-01-12 21:56:26 +00:00
Nadeshiko Manju
e535bdb0a2
gh-134584: Eliminate redundant refcounting from _CONTAINS_{OP|OP_SET|OP_DICT} (GH-143731)
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Signed-off-by: Manjusaka <me@manjusaka.me>
2026-01-12 15:47:31 +00:00
Cajetan Rodrigues
054a565c64
gh-134584: JIT: Remove redundant refcount for _BINARY_OP_SUBSCR_DICT (GH-143724)
2026-01-12 14:13:55 +00:00
Ken Jin
548526bbbe
gh-134584: JIT: Remove redundant refcounting for UNARY_{INVERT|NEGATIVE} (GH-143704)
2026-01-11 20:42:55 +00:00
Ken Jin
95259116ec
gh-142764: Restore REPLACE_OPCODE_IF_EVALUATES_PURE optimization for some ops (GH-143335)
2026-01-09 23:18:22 +00:00
Nadeshiko Manju
0a5c04a5ce
gh-134584: Eliminate redundant refcounting from TO_BOOL_STR (GH-143417)
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Signed-off-by: Manjusaka <me@manjusaka.me>
2026-01-06 21:11:53 +00:00
Ken Jin
df355348f0
gh-142982: Specialize CALL_FUNCTION_EX (GH-143391)
2026-01-06 20:34:08 +00:00
Ken Jin
90c44bc803
gh-131798: Support generator frames in the JIT optimizer (GH-143340)
2026-01-06 16:39:57 +00:00
reiden
54f1ed0299
gh-134584: Eliminate redundant refcounting in TO_BOOL_ALWAYS_TRUE (GH-143427)
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Co-authored-by: Ken Jin <kenjin@python.org>
2026-01-06 16:11:56 +00:00
Chris Eibl
e6bfe4d886
gh-139757: Add BINARY_OP_SUBSCR_USTR_INT (GH-143389)
2026-01-04 14:14:27 +00:00
Ken Jin
f7a03bb944
gh-134584: JIT: Remove redundant refcount from STORE_FAST (GH-143336)
2026-01-02 18:22:21 +00:00
Donghee Na
315f474d11
gh-139757: Add _GUARD_NOS_COMPACT_ASCII for compact ascii optimization (gh-143332)
2026-01-02 20:58:14 +09:00
