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1. Commits on Oct 7, 2024

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

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     markshannon

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2. Commits on Oct 2, 2024

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

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     Fidget-Spinner

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3. Commits on Aug 21, 2024

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

     markshannon

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4. 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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5. Commits on Aug 16, 2024

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

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6. Commits on Aug 12, 2024

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

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7. Commits on Jul 26, 2024

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

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

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8. Commits on Jul 18, 2024

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

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9. Commits on Jun 19, 2024

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

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     Fidget-Spinner

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10. 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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11. Commits on Jun 17, 2024

    • GH-120619: Clean up `RETURN_VALUE` instruction (GH-120624)

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      markshannon

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12. Commits on Jun 8, 2024

    • gh-119258: Eliminate Type Guards in Tier 2 Optimizer with Watcher (GH-119365)

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13. Commits on May 28, 2024

    • GH-119476: Split _CHECK_FUNCTION_VERSION out of _CHECK_FUNCTION_EXACT_ARGS (GH-119510)

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14. Commits on May 10, 2024

    • GH-118910: Less boilerplate in the tier 2 optimizer (#118913)

      markshannon

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15. Commits on May 4, 2024

    • GH-118095: Use broader specializations of CALL in tier 1, for better tier 2 support of calls. (GH-118322)

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      markshannon

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16. Commits on Apr 30, 2024

    • GH-118095: Add tier 2 support for YIELD_VALUE (GH-118380)

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17. Commits on Apr 25, 2024

    • GH-118095: Handle `RETURN_GENERATOR` in tier 2 (GH-118180)

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18. Commits on Apr 22, 2024

    • GH-115480: Reduce guard strength for binary ops when type of one operand is known already (GH-118050)

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19. Commits on Apr 18, 2024

    • GH-115419: Tidy up tier 2 optimizer. Merge peephole pass into main pass (GH-117997)

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20. Commits on Mar 24, 2024

    • gh-117176: Fix compiler warning in Python/optimizer_bytecodes.c (GH-117199)

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21. Commits on Mar 21, 2024

    • gh-117045: Add code object to function version cache (#117028)

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      gvanrossum

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22. Commits on Mar 20, 2024

    • GH-117066: Tier 2 optimizer: Don't throw away good traces if we can't optimize them perfectly. (GH-117067)

      markshannon

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23. Commits on Mar 18, 2024

    • Cleanup tier2 debug output (#116920)

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      gvanrossum

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24. Commits on Mar 13, 2024

    • gh-115419: Change default sym to not_null (GH-116562)

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25. Commits on Mar 7, 2024

    • gh-116420: Fix unused var compilation warnings (GH-116466)

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      Fidget-Spinner

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26. Commits on Mar 6, 2024

    • GH-115687: Most comparisons create Booleans, so propagate that information (GH-116360)

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      markshannon

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27. Commits on Mar 5, 2024

    • GH-115819: Eliminate Boolean guards when value is known (GH-116355)

      markshannon

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    • GH-115685: Optimize `TO_BOOL` and variants based on truthiness of input. (GH-116311)

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28. Commits on Mar 1, 2024

    • gh-115480: Type propagate _BINARY_OP_ADD_UNICODE (GH-115710)

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29. Commits on Feb 29, 2024

    • gh-115685: Type/values propagate for TO_BOOL in tier 2 (GH-115686)

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    • gh-116088: Insert bottom checks after all sym_set_...() calls (#116089)

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      gvanrossum

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30. Commits on Feb 28, 2024

    • gh-115859: Re-enable T2 optimizer pass by default (#116062)

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      gvanrossum

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    • gh-115816: Improve internal symbols API in optimizer (#116028)

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      gvanrossum

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31. Commits on Feb 27, 2024

    • GH-115816: Assorted naming and formatting changes to improve maintainability. (GH-115987)

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      markshannon

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