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* GH-118095: Add tier 2 support for YIELD_VALUE (GH-118380)Mark Shannon2024-04-301-0/+41
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* GH-118095: Allow a variant of RESUME_CHECK in tier 2 (GH-118286)Mark Shannon2024-04-291-0/+27
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* GH-118095: Add dynamic exit support and FOR_ITER_GEN support to tier 2 ↵Mark Shannon2024-04-261-1/+60
| | | | (GH-118279)
* GH-118095: Handle `RETURN_GENERATOR` in tier 2 (GH-118180)Mark Shannon2024-04-251-12/+31
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* GH-115419: Move setting the instruction pointer to error exit stubs (GH-118088)Mark Shannon2024-04-241-0/+2
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* GH-115480: Reduce guard strength for binary ops when type of one operand is ↵Mark Shannon2024-04-221-0/+40
| | | | known already (GH-118050)
* gh-112075: Make instance attributes stored in inline "dict" thread safe ↵Dino Viehland2024-04-221-6/+4
| | | | | (#114742) Make instance attributes stored in inline "dict" thread safe on free-threaded builds
* gh-116818: Make `sys.settrace`, `sys.setprofile`, and monitoring thread-safe ↵Dino Viehland2024-04-191-1/+1
| | | | | | | (#116775) Makes sys.settrace, sys.setprofile, and monitoring generally thread-safe. Mostly uses a stop-the-world approach and synchronization around the code object's _co_instrumentation_version. There may be a little bit of extra synchronization around the monitoring data that's required to be TSAN clean.
* GH-116202: Incorporate invalidation check into _START_EXECUTOR. (GH-118044)Mark Shannon2024-04-191-0/+4
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* gh-117457: Regen executor cases post PR #117477 (#117559)Erlend E. Aasland2024-04-051-2/+8
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* GH-117457: Correct pystats uop "miss" counts (GH-117477)Michael Droettboom2024-04-041-134/+536
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* gh-112075: Make _PyDict_LoadGlobal thread safe (#117529)Dino Viehland2024-04-041-1/+0
| | | Make _PyDict_LoadGlobal threadsafe
* gh-116968: Reimplement Tier 2 counters (#117144)Guido van Rossum2024-04-041-5/+6
| | | | | | | | | | | | Introduce a unified 16-bit backoff counter type (``_Py_BackoffCounter``), shared between the Tier 1 adaptive specializer and the Tier 2 optimizer. The API used for adaptive specialization counters is changed but the behavior is (supposed to be) identical. The behavior of the Tier 2 counters is changed: - There are no longer dynamic thresholds (we never varied these). - All counters now use the same exponential backoff. - The counter for ``JUMP_BACKWARD`` starts counting down from 16. - The ``temperature`` in side exits starts counting down from 64.
* gh-116168: Remove extra `_CHECK_STACK_SPACE` uops (#117242)Peter Lazorchak2024-04-031-0/+8
| | | This merges all `_CHECK_STACK_SPACE` uops in a trace into a single `_CHECK_STACK_SPACE_OPERAND` uop that checks whether there is enough stack space for all calls included in the entire trace.
* GH-115776: Embed the values array into the object, for "normal" Python ↵Mark Shannon2024-04-021-24/+20
| | | | objects. (GH-116115)
* gh-117323: Make `cell` thread-safe in free-threaded builds (#117330)Sam Gross2024-03-291-12/+7
| | | Use critical sections to lock around accesses to cell contents. The critical sections are no-ops in the default (with GIL) build.
* GH-116422: Tier2 hot/cold splitting (GH-116813)Mark Shannon2024-03-261-423/+315
| | | | | Splits the "cold" path, deopts and exits, from the "hot" path, reducing the size of most jitted instructions, at the cost of slower exits.
* GH-115802: Reduce the size of _INIT_CALL_PY_EXACT_ARGS. (GH-116856)Mark Shannon2024-03-151-48/+36
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* GH-116422: Modify a few uops so that they can be supported by tier 2 with ↵Mark Shannon2024-03-151-17/+15
| | | | hot/cold splitting (GH-116832)
* GH-116422: Factor out eval breaker checks at end of calls into its own ↵Mark Shannon2024-03-141-15/+5
| | | | micro-op. (GH-116817)
* GH-116468: Use constants instead of `oparg` in stack effects when `oparg` is ↵Mark Shannon2024-03-111-34/+30
| | | | known to be a constant. (GH-116469)
* GH-113710: Fix optimization of globals using `_CHECK_FUNCTION` (GH-116460)Mark Shannon2024-03-081-2/+3
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* gh-116381: Remove bad specializations, add fail stats (GH-116464)Ken Jin2024-03-071-55/+4
| | | * Remove bad specializations, add fail stats
* gh-116437: Use new C API PyDict_Pop() to simplify the code (GH-116438)Serhiy Storchaka2024-03-071-7/+7
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* gh-116381: Specialize CONTAINS_OP (GH-116385)Ken Jin2024-03-061-0/+90
| | | | | | | | | | | * Specialize CONTAINS_OP * 📜🤖 Added by blurb_it. * Add PyAPI_FUNC for JIT --------- Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* GH-113710: Tier 2 optimizer: check the function instead of checking globals. ↵Mark Shannon2024-03-061-9/+3
| | | | (GH-116410)
* GH-115685: Split `_TO_BOOL_ALWAYS_TRUE` into micro-ops (GH-116352)Mark Shannon2024-03-051-6/+1
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* gh-116098: Revert "gh-107674: Improve performance of `sys.settrace` ↵Tian Gao2024-03-011-1/+1
| | | | | | | (GH-114986)" (GH-116178) Revert "gh-107674: Improve performance of `sys.settrace` (GH-114986)" This reverts commit 0a61e237009bf6b833e13ac635299ee063377699.
* gh-115685: Type/values propagate for TO_BOOL in tier 2 (GH-115686)Ken Jin2024-02-291-0/+11
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* GH-115802: JIT "small" code for Windows (GH-115964)Brandt Bucher2024-02-291-4/+4
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* gh-107674: Improve performance of `sys.settrace` (GH-114986)Tian Gao2024-02-281-1/+1
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* gh-115778: Add `tierN` annotation for instruction definitions (#115815)Kirill Podoprigora2024-02-231-13/+0
| | | | | This replaces the old `TIER_{ONE,TWO}_ONLY` macros. Note that `specialized` implies `tier1`. Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
* GH-115651: Convert `LOAD_MODULE_ATTR` into `LOAD_INLINE_CONST` when the ↵Mark Shannon2024-02-221-2/+2
| | | | module is itself a constant. (GH-115711)
* gh-115733: Fix crash involving exhausted list iterator (#115740)Sam Gross2024-02-201-0/+1
| | | | | * gh-115733: Fix crash involving exhausted iterator * Add blurb
* gh-112175: Add `eval_breaker` to `PyThreadState` (#115194)Brett Simmers2024-02-201-1/+1
| | | | | | | | | | | This change adds an `eval_breaker` field to `PyThreadState`. The primary motivation is for performance in free-threaded builds: with thread-local eval breakers, we can stop a specific thread (e.g., for an async exception) without interrupting other threads. The source of truth for the global instrumentation version is stored in the `instrumentation_version` field in PyInterpreterState. Threads usually read the version from their local `eval_breaker`, where it continues to be colocated with the eval breaker bits.
* gh-115687: Split up guards from COMPARE_OP (GH-115688)Ken Jin2024-02-201-6/+0
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* GH-115457: Support splitting and replication of micro ops. (GH-115558)Mark Shannon2024-02-201-22/+383
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* GH-112354: Initial implementation of warm up on exits and trace-stitching ↵Mark Shannon2024-02-201-21/+75
| | | | (GH-114142)
* gh-114626: add PyCFunctionFast and PyCFunctionFastWithKeywords (GH-114627)David Hewitt2024-02-151-7/+7
| | | Co-authored-by: Petr Viktorin <encukou@gmail.com>
* gh-112087: Make __sizeof__ and listiter_{len, next} to be threadsafe (gh-114843)Donghee Na2024-02-141-2/+1
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* GH-113710: Improve `_SET_IP` and `_CHECK_VALIDITY` (GH-115248)Mark Shannon2024-02-131-3/+10
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* gh-114058: Foundations of the Tier2 redundancy eliminator (GH-115085)Ken Jin2024-02-131-1/+1
| | | | | | | --------- Co-authored-by: Mark Shannon <9448417+markshannon@users.noreply.github.com> Co-authored-by: Jules <57632293+JuliaPoo@users.noreply.github.com> Co-authored-by: Guido van Rossum <gvanrossum@users.noreply.github.com>
* GH-113710: Add a "globals to constants" pass (GH-114592)Mark Shannon2024-02-021-0/+42
| | | Converts specializations of `LOAD_GLOBAL` into constants during tier 2 optimization.
* GH-113710: Add a tier 2 peephole optimization pass. (GH-114487)Mark Shannon2024-01-241-0/+9
| | | | | * Convert _LOAD_CONST to inline versions * Remove PEP 523 checks
* GH-112354: `_GUARD_IS_TRUE_POP` side-exits to target the next instruction, ↵Mark Shannon2024-01-151-6/+9
| | | | not themselves. (GH-114078)
* gh-113710: Add types to the interpreter DSL (#113711)Ken Jin2024-01-121-10/+0
| | | | Co-authored-by: Jules <57632293+JuliaPoo@users.noreply.github.com> Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* GH-113860: Get rid of `_PyUOpExecutorObject` (GH-113954)Brandt Bucher2024-01-121-1/+1
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* GH-113860: All executors are now defined in terms of micro ops. Convert ↵Mark Shannon2024-01-101-0/+18
| | | | counter executor to use uops. (GH-113864)
* GH-111485: Delete the old generator code. (GH-113321)Mark Shannon2023-12-211-22/+22
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* gh-111375: Use `NULL` rather than `None` in the exception stack to indicate ↵Carey Metcalfe2023-12-211-1/+1
| | | | that an exception was handled (#113302)
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