COMMITS
/ Python/optimizer_symbols.c February 19, 2026
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GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
Mark Shannon committed
February 5, 2026
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GH-144179: Use recorded values to make optimizer more robust (GH-144437)
Mark Shannon committed
February 2, 2026
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January 30, 2026
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gh-144280: Add missing predicate symbol to case-switch (GH-144298)
reiden committed
January 24, 2026
January 22, 2026
January 17, 2026
January 2, 2026
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gh-134584: JIT: Remove redundant refcount from STORE_FAST (GH-143336)
Ken Jin committed
November 13, 2025
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gh-139109: A new tracing JIT compiler frontend for CPython (GH-140310)
Ken Jin committed
October 11, 2025
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gh-111489: Remove _PyTuple_FromArray() alias (#139973)
Victor Stinner committed
September 18, 2025
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GH-138378: Move globals-to-consts pass into main optimizer pass (GH-138379)
Mark Shannon committed
September 3, 2025
August 20, 2025
June 28, 2025
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gh-132732: Fix up pure types in JIT (GH-136050)
Ken Jin committed
June 27, 2025
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gh-132732: JIT: Only allow compact ints in pure evaluation (GH-136040)
Ken Jin committed
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gh-132732: Automatically constant evaluate pure operations (GH-132733)
Ken Jin committed
June 23, 2025
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gh-134584: Specialize POP_TOP by reference and type in JIT (GH-135761)
Ken Jin committed
June 19, 2025
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GH-135379: Specialize int operations for compact ints only (GH-135668)
Mark Shannon committed
June 17, 2025
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gh-134584: Decref elimination for float ops in the JIT (GH-134588)
Ken Jin committed
May 22, 2025
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GH-131798: Optimize cached class attributes and methods in the JIT (GH-134403)
Brandt Bucher committed
May 20, 2025
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GH-131798: Narrow types more aggressively in the JIT (GH-134373)
Brandt Bucher committed
March 20, 2025
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GH-131331: Rename "not" to "invert" (GH-131334)
Bénédikt Tran committed
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GH-131498: Remove conditional stack effects (GH-131499)
Mark Shannon committed
March 17, 2025
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GH-131238: More refactoring of core header files (GH-131351)
Mark Shannon committed
March 4, 2025
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GH-130415: Narrow str to "" based on boolean tests (GH-130476)
Amit Lavon committed
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GH-130415: Narrow int to 0 based on boolean tests (GH-130772)
Klaus117 committed
March 2, 2025
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GH-130415: Use boolean guards to narrow types to values in the JIT (GH-130659)
Brandt Bucher committed
January 20, 2025
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GH-128939: Refactor JIT optimize structs (GH-128940)
Mark Shannon committed
June 26, 2024
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gh-120642: Move private PyCode APIs to the internal C API (#120643)
Victor Stinner committed
June 8, 2024
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gh-119258: Eliminate Type Guards in Tier 2 Optimizer with Watcher (GH-119365)
Saul Shanabrook committed
May 10, 2024
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GH-118910: Less boilerplate in the tier 2 optimizer (#118913)
Mark Shannon committed
May 2, 2024
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GH-118095: Unify the behavior of tier 2 FOR_ITER branch micro-ops (GH-118420)
Mark Shannon committed
May 1, 2024
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gh-118335: Configure Tier 2 interpreter at build time (#118339)
Guido van Rossum committed
April 22, 2024
March 5, 2024
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GH-115819: Eliminate Boolean guards when value is known (GH-116355)
Mark Shannon committed
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GH-115685: Optimize `TO_BOOL` and variants based on truthiness of input. (GH-116311)
Mark Shannon committed
February 29, 2024
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gh-116088: Insert bottom checks after all sym_set_...() calls (#116089)
Guido van Rossum committed
February 28, 2024
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gh-115859: Re-enable T2 optimizer pass by default (#116062)
Guido van Rossum committed
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gh-115816: Improve internal symbols API in optimizer (#116028)
Guido van Rossum committed
February 27, 2024
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GH-115816: Assorted naming and formatting changes to improve maintainability. (GH-115987)
Mark Shannon committed
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GH-115816: Make tier2 optimizer symbols testable, and add a few tests. (GH-115953)
Mark Shannon committed