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1. Commits on Jun 20, 2024

   • [3.13] gh-119258: Backport optimizer frame fixes in GH-119365 (GH-120699)

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     Fidget-Spinner

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2. Commits on Jun 19, 2024

   • [3.13] gh-120437: Fix `_CHECK_STACK_SPACE` optimization problems introduced in gh-118322 (GH-120712) (#120747)

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     Zheaoli

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3. Commits on Jun 1, 2024

   • [3.13] gh-119821: Support non-dict globals in LOAD_FROM_DICT_OR_GLOBALS (#119822) (#119889)

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     JelleZijlstra

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4. 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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   • GH-113464: Remove the extra jump via `_SIDE_EXIT` in `_EXIT_TRACE` (GH-118545)

     markshannon

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5. Commits on May 2, 2024

   • GH-117442: Check eval-breaker at start (rather than end) of tier 2 loops (GH-118482)

     markshannon

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6. Commits on Apr 30, 2024

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

     markshannon

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7. Commits on Apr 29, 2024

   • GH-118095: Allow a variant of RESUME_CHECK in tier 2 (GH-118286)

     markshannon

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8. Commits on Apr 26, 2024

   • GH-118095: Add dynamic exit support and FOR_ITER_GEN support to tier 2 (GH-118279)

     markshannon

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9. Commits on Apr 25, 2024

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

     markshannon

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10. Commits on Apr 22, 2024

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

      markshannon

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11. Commits on Apr 18, 2024

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

      markshannon

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12. Commits on Apr 3, 2024

    • gh-116168: Remove extra `_CHECK_STACK_SPACE` uops (#117242)

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      lazorchakp

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13. Commits on Apr 2, 2024

    • GH-115776: Embed the values array into the object, for "normal" Python objects. (GH-116115)

      markshannon

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14. Commits on Mar 26, 2024

    • GH-116422: Tier2 hot/cold splitting (GH-116813)

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      markshannon

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15. Commits on Mar 24, 2024

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

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16. Commits on Mar 21, 2024

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

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      gvanrossum

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17. 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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18. Commits on Mar 18, 2024

    • Cleanup tier2 debug output (#116920)

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      gvanrossum

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19. Commits on Mar 14, 2024

    • GH-116422: Factor out eval breaker checks at end of calls into its own micro-op. (GH-116817)

      markshannon

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20. Commits on Mar 13, 2024

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

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21. Commits on Mar 11, 2024

    • GH-116468: Use constants instead of `oparg` in stack effects when `oparg` is known to be a constant. (GH-116469)

      markshannon

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22. Commits on Mar 7, 2024

    • gh-116381: Remove bad specializations, add fail stats (GH-116464)

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      Fidget-Spinner

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

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      Fidget-Spinner

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23. Commits on Mar 6, 2024

    • gh-116381: Specialize CONTAINS_OP (GH-116385)

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      blurb-it[bot]

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    • GH-113710: Tier 2 optimizer: check the function instead of checking globals. (GH-116410)

      markshannon

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

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      markshannon

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24. Commits on Mar 5, 2024

    • GH-115685: Split `_TO_BOOL_ALWAYS_TRUE` into micro-ops (GH-116352)

      markshannon

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    • 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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25. Commits on Mar 1, 2024

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

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26. 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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    • gh-115816: Generate calls to sym_new_const() etc. without _Py_uop prefix (#116077)

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      gvanrossum

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27. Commits on Feb 28, 2024

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

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      gvanrossum

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