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1. Commits on Mar 21, 2025

   • GH-130415: Optimize constant comparison in JIT builds (GH-131489)

     savannahostrowski

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2. Commits on Mar 20, 2025

   • GH-131498: Remove conditional stack effects (GH-131499)

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     markshannon

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3. Commits on Mar 6, 2025

   • GH-130903: typo in optimizer DSL for _GUARD_BOTH_UNICODE (#130904)

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     ordinary-jamie

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4. Commits on Mar 4, 2025

   • GH-130415: Narrow str to "" based on boolean tests (GH-130476)

     fluhus

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     691354cView commit details

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   • GH-130415: Narrow int to 0 based on boolean tests (GH-130772)

     Klaus117

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     c989e74View commit details

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5. Commits on Mar 2, 2025

   • GH-130415: Use boolean guards to narrow types to values in the JIT (GH-130659)

     brandtbucher

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6. Commits on Feb 28, 2025

   • GH-130296: Avoid stack transients in four instructions. (GH-130310)

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     markshannon

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7. Commits on Feb 7, 2025

   • gh-100239: replace BINARY_SUBSCR & family by BINARY_OP with oparg NB_SUBSCR (#129700)

     iritkatriel

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     a1417b2View commit details

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   • GH-129709: Clean up tier two (GH-129710)

     brandtbucher

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     70e387cView commit details

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8. Commits on Feb 3, 2025

   • GH-128682: Make `PyStackRef_CLOSE` escaping. (GH-129404)

     markshannon

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     808071bView commit details

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9. Commits on Jan 27, 2025

   • GH-128914: Remove all but one conditional stack effects (GH-129226)

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     markshannon

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10. Commits on Jan 23, 2025

    • Revert "GH-128914: Remove conditional stack effects from `bytecodes.c` and the code generators (GH-128918)" (GH-129202)

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      colesbury

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11. Commits on Jan 20, 2025

    • GH-128914: Remove conditional stack effects from `bytecodes.c` and the code generators (GH-128918)

      markshannon

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      ab61d3fView commit details

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    • GH-128939: Refactor JIT optimize structs (GH-128940)

      markshannon

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12. Commits on Jan 14, 2025

    • gh-115999: Specialize `LOAD_ATTR` for instance and class receivers in free-threaded builds (#128164)

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      mpage

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13. Commits on Jan 13, 2025

    • GH-128685: Specialize (rather than quicken) LOAD_CONST into LOAD_CONST_[IM]MORTAL (GH-128708)

      markshannon

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      ddd9599View commit details

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14. Commits on Jan 8, 2025

    • GH-127809: Fix the JIT's understanding of ** (GH-127844)

      brandtbucher

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15. Commits on Dec 23, 2024

    • gh-128195: Add `_REPLACE_WITH_TRUE` to the tier2 optimizer (GH-128203)

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      WolframAlph

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16. Commits on Dec 19, 2024

    • gh-115999: Enable BINARY_SUBSCR_GETITEM for free-threaded build (gh-127737)

      corona10

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      48c70b8View commit details

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17. Commits on Dec 13, 2024

    • gh-115999: Specialize loading attributes from modules in free-threaded builds (#127711)

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      mpage

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      2de048cView commit details

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18. Commits on Nov 9, 2024

    • gh-120619: Strength reduce function guards, support 2-operand uop forms (GH-124846)

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      Fidget-Spinner

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      brandtbucher

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19. Commits on Oct 29, 2024

    • GH-125837: Split `LOAD_CONST` into three. (GH-125972)

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      markshannon

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20. Commits on Oct 28, 2024

    • GH-125912: Teach the JIT's optimizer about _BINARY_OP_INPLACE_ADD_UNICODE (GH-125935)

      brandtbucher

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      b5b0634View commit details

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21. Commits on Oct 9, 2024

    • gh-115999: Refactor `LOAD_GLOBAL` specializations to avoid reloading {globals, builtins} keys (gh-124953)

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      mpage

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22. Commits on Oct 7, 2024

    • GH-119866: Spill the stack around escaping calls. (GH-124392)

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      markshannon

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23. Commits on Oct 2, 2024

    • gh-120619: Optimize through `_Py_FRAME_GENERAL` (GH-124518)

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      Fidget-Spinner

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24. Commits on Aug 21, 2024

    • GH-115776: Allow any fixed sized object to have inline values (GH-123192)

      markshannon

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25. Commits on Aug 20, 2024

    • GH-118093: Make `CALL_ALLOC_AND_ENTER_INIT` suitable for tier 2. (GH-123140)

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      markshannon

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26. Commits on Aug 16, 2024

    • GH-118093: Specialize `CALL_KW` (GH-123006)

      markshannon

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27. Commits on Aug 12, 2024

    • GH-122869: Add missing tier two optimizer cases (GH-122936)

      markshannon

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28. Commits on Jul 26, 2024

    • Manually override bytecode definition in optimizer, to avoid build error (GH-122316)

      markshannon

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    • GH-122294: Burn in the addresses of side exits (GH-122295)

      brandtbucher

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      64857d8View commit details

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29. Commits on Jul 18, 2024

    • GH-118093: Add tier two support to several instructions (GH-121884)

      brandtbucher

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      7b36b67View commit details

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30. Commits on Jun 19, 2024

    • gh-120437: Fix `_CHECK_STACK_SPACE` optimization problems introduced in gh-118322 (GH-120712)

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      Zheaoli

      and

      Fidget-Spinner

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      f385d99View commit details

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31. Commits on Jun 18, 2024

    • GH-120507: Lower the `BEFORE_WITH` and `BEFORE_ASYNC_WITH` instructions. (#120640)

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      markshannon

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