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* gh-118414: Fix assertion in YIELD_VALUE when tracing lines or instrs (#118683)Tian Gao2024-05-071-1/+3
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* GH-115709: Invalidate executors when a local variable is changed via ↵Mark Shannon2024-05-061-0/+3
| | | | | frame.f_locals (#118639) Also fix unrelated assert in debug Tier2/JIT builds.
* GH-118095: Use broader specializations of CALL in tier 1, for better tier 2 ↵Mark Shannon2024-05-041-34/+201
| | | | | | | | | | support of calls. (GH-118322) * Add CALL_PY_GENERAL, CALL_BOUND_METHOD_GENERAL and call CALL_NON_PY_GENERAL specializations. * Remove CALL_PY_WITH_DEFAULTS specialization * Use CALL_NON_PY_GENERAL in more cases when otherwise failing to specialize
* gh-107674: Improve performance of `sys.settrace` (GH-117133)Tian Gao2024-05-031-15/+16
| | | | | | * Check tracing in RESUME_CHECK * Only change to RESUME_CHECK if not tracing
* GH-117442: Check eval-breaker at start (rather than end) of tier 2 loops ↵Mark Shannon2024-05-021-7/+9
| | | | (GH-118482)
* GH-118095: Make invalidating and clearing executors memory safe (GH-118459)Mark Shannon2024-05-011-3/+9
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* gh-118335: Configure Tier 2 interpreter at build time (#118339)Guido van Rossum2024-05-011-0/+6
| | | | | | | | | | | | | | | | | | | | | | The code for Tier 2 is now only compiled when configured with `--enable-experimental-jit[=yes|interpreter]`. We drop support for `PYTHON_UOPS` and -`Xuops`, but you can disable the interpreter or JIT at runtime by setting `PYTHON_JIT=0`. You can also build it without enabling it by default using `--enable-experimental-jit=yes-off`; enable with `PYTHON_JIT=1`. On Windows, the `build.bat` script supports `--experimental-jit`, `--experimental-jit-off`, `--experimental-interpreter`. In the C code, `_Py_JIT` is defined as before when the JIT is enabled; the new variable `_Py_TIER2` is defined when the JIT *or* the interpreter is enabled. It is actually a bitmask: 1: JIT; 2: default-off; 4: interpreter.
* gh-117657: Don't specialize RESUME_CHECK when specialization is disabled ↵Ken Jin2024-04-301-0/+2
| | | | (GH-118349)
* gh-117657: Fix small issues with instrumentation and TSAN (#118064)Dino Viehland2024-04-301-1/+1
| | | Small TSAN fixups for instrumentation
* GH-118095: Add tier 2 support for YIELD_VALUE (GH-118380)Mark Shannon2024-04-301-4/+14
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* GH-118095: Add dynamic exit support and FOR_ITER_GEN support to tier 2 ↵Mark Shannon2024-04-261-16/+41
| | | | (GH-118279)
* GH-118095: Handle `RETURN_GENERATOR` in tier 2 (GH-118180)Mark Shannon2024-04-251-28/+12
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* gh-112075: Make instance attributes stored in inline "dict" thread safe ↵Dino Viehland2024-04-221-8/+5
| | | | | (#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 Viehland2024-04-191-5/+13
| | | | | | | (#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-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 Rossum2024-04-041-50/+37
| | | | | | | | | | | | 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-115776: Embed the values array into the object, for "normal" Python ↵Mark Shannon2024-04-021-29/+25
| | | | 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 Shannon2024-03-261-57/+65
| | | | | 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 Shannon2024-03-151-16/+12
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* gh-116735: Use `MISSING` for `CALL` event if argument is absent (GH-116737)Tian Gao2024-03-151-1/+1
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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 Shannon2024-03-141-186/+244
| | | | micro-op. (GH-116817)
* gh-116760: Fix pystats for trace attempts (GH-116761)Michael Droettboom2024-03-131-1/+0
| | | | | | | | There are now at least two bytecodes that may attempt to optimize, JUMP_BACK, and more recently, COLD_EXIT. Only the JUMP_BACK was counting the attempt in the stats. This moves that counter to uop_optimize itself so it should always happen no matter where it is called from.
* gh-116626: Emit `CALL` events for all `INSTRUMENTED_CALL_FUNCTION_EX` ↵Tian Gao2024-03-131-14/+14
| | | | (GH-116627)
* GH-116468: Use constants instead of `oparg` in stack effects when `oparg` is ↵Mark Shannon2024-03-111-39/+35
| | | | known to be a constant. (GH-116469)
* gh-116381: Remove bad specializations, add fail stats (GH-116464)Ken Jin2024-03-071-67/+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 Jin2024-03-061-2/+132
| | | | | | | | | | | * 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-115685: Split `_TO_BOOL_ALWAYS_TRUE` into micro-ops (GH-116352)Mark Shannon2024-03-051-8/+15
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* gh-116098: Revert "gh-107674: Improve performance of `sys.settrace` ↵Tian Gao2024-03-011-17/+16
| | | | | | | (GH-114986)" (GH-116178) Revert "gh-107674: Improve performance of `sys.settrace` (GH-114986)" This reverts commit 0a61e237009bf6b833e13ac635299ee063377699.
* gh-115999: Disable the specializing adaptive interpreter in free-threaded ↵Brett Simmers2024-03-011-0/+55
| | | | | builds (#116013) For now, disable all specialization when the GIL might be disabled.
* 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 Gao2024-02-281-16/+17
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* gh-115778: Add `tierN` annotation for instruction definitions (#115815)Kirill Podoprigora2024-02-231-35/+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 Gross2024-02-201-1/+1
| | | | | * gh-115733: Fix crash involving exhausted iterator * Add blurb
* gh-112175: Add `eval_breaker` to `PyThreadState` (#115194)Brett Simmers2024-02-201-3/+3
| | | | | | | | | | | 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 Jin2024-02-201-40/+58
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* GH-115457: Support splitting and replication of micro ops. (GH-115558)Mark Shannon2024-02-201-11/+7
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* GH-112354: Initial implementation of warm up on exits and trace-stitching ↵Mark Shannon2024-02-201-13/+18
| | | | (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 Na2024-02-141-1/+4
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* GH-113710: Backedge counter improvements. (GH-115166)Mark Shannon2024-02-131-13/+16
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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-114695: Add `sys._clear_internal_caches` (GH-115152)Brandt Bucher2024-02-121-18/+7
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* GH-112354: `END_FOR` instruction to only pop one value. (GH-114247)Mark Shannon2024-01-241-22/+13
| | | | * Compiler emits END_FOR; POP_TOP instead of END_FOR. To support tier 2 side exits in loops.
* gh-113102: Fix typo in INSTRUMENTED_RESUME (GH-114349)Guido van Rossum2024-01-221-1/+1
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* GH-113860: Get rid of `_PyUOpExecutorObject` (GH-113954)Brandt Bucher2024-01-121-2/+2
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* GH-113853: Guarantee forward progress in executors (GH-113854)Mark Shannon2024-01-111-5/+13
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