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* GH-104584: Fix ENTER_EXECUTOR (GH-106141)Mark Shannon2023-07-03
| | | | | | * Check eval-breaker in ENTER_EXECUTOR. * Make sure that frame->prev_instr is set before entering executor.
* gh-106023: Update code using _PyObject_FastCall() (#106257)Victor Stinner2023-06-30
| | | Replace _PyObject_FastCall() calls with PyObject_Vectorcall().
* GH-106008: Make implicit boolean conversions explicit (GH-106003)Brandt Bucher2023-06-29
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* gh-105775: Convert LOAD_CLOSURE to a pseudo-op (#106059)hms2023-06-29
| | | | | | This enables super-instruction formation, removal of checks for uninitialized variables, and frees up an instruction.
* gh-104584: Baby steps towards generating and executing traces (#105924)Guido van Rossum2023-06-26
| | | | | Added a new, experimental, tracing optimizer and interpreter (a.k.a. "tier 2"). This currently pessimizes, so don't use yet -- this is infrastructure so we can experiment with optimizing passes. To enable it, pass ``-Xuops`` or set ``PYTHONUOPS=1``. To get debug output, set ``PYTHONUOPSDEBUG=N`` where ``N`` is a debug level (0-4, where 0 is no debug output and 4 is excessively verbose). All of this code is likely to change dramatically before the 3.13 feature freeze. But this is a first step.
* GH-91095: Specialize calls to normal Python classes. (GH-99331)Mark Shannon2023-06-22
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* GH-104584: Assorted fixes for the optimizer API. (GH-105683)Mark Shannon2023-06-19
| | | | | | * Add test for long loops * Clear ENTER_EXECUTOR when deopting code objects.
* gh-105481: add HAS_JUMP flag to opcode metadata (#105791)Irit Katriel2023-06-14
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* GH-77273: Better bytecodes for f-strings (GH-6132)Mark Shannon2023-06-14
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* GH-100987: Allow objects other than code objects as the "executable" of an ↵Mark Shannon2023-06-14
| | | | | | | | | | internal frame. (GH-105727) * Add table describing possible executable classes for out-of-process debuggers. * Remove shim code object creation code as it is no longer needed. * Make lltrace a bit more robust w.r.t. non-standard frames.
* gh-105481: add flags to each instr in the opcode metadata table, to replace ↵Irit Katriel2023-06-13
| | | | opcode.hasarg/hasname/hasconst (#105482)
* GH-105678: Split MAKE_FUNCTION into MAKE_FUNCTION and SET_FUNCTION_ATTRIBUTE ↵Mark Shannon2023-06-13
| | | | (GH-105680)
* gh-105481: add pseudo-instructions to the bytecodes DSL (#105506)Irit Katriel2023-06-11
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* GH-105229: Remove remaining two-codeunit superinstructions (GH-105326)Mark Shannon2023-06-08
| | | | * Remove LOAD_CONST__LOAD_FAST and LOAD_FAST__LOAD_CONST superinstructions.
* GH-104610: Remove the use of `PREDICT` macros. (GH-104651)Mark Shannon2023-06-07
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* GH-105229: Replace some superinstructions with single instruction ↵Mark Shannon2023-06-05
| | | | equivalent. (GH-105230)
* gh-105214: Use named constants for MAKE_FUNCTION oparg (#105215)Jelle Zijlstra2023-06-02
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* GH-104584: Plugin optimizer API (GH-105100)Mark Shannon2023-06-02
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* remove unused #includes of pycore_pymem.h (#105166)Irit Katriel2023-06-01
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* gh-104909: Split BINARY_OP into micro-ops (#104910)Guido van Rossum2023-05-31
| | | Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
* gh-105035: fix super() calls on unusual types (e.g. meta-types) (#105094)Carl Meyer2023-05-30
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* GH-104580: Don't cache eval breaker in interpreter (GH-104581)Mark Shannon2023-05-18
| | | Move eval-breaker to the front of the interpreter state.
* GH-103906: Remove immortal refcounting in the interpreter (GH-103909)Brandt Bucher2023-05-16
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* gh-103865: add monitoring support to LOAD_SUPER_ATTR (#103866)Carl Meyer2023-05-16
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* gh-103763: Implement PEP 695 (#103764)Jelle Zijlstra2023-05-15
| | | | | | | | | | | | | | This implements PEP 695, Type Parameter Syntax. It adds support for: - Generic functions (def func[T](): ...) - Generic classes (class X[T](): ...) - Type aliases (type X = ...) - New scoping when the new syntax is used within a class body - Compiler and interpreter changes to support the new syntax and scoping rules Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com> Co-authored-by: Eric Traut <eric@traut.com> Co-authored-by: Larry Hastings <larry@hastings.org> Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
* GH-104405: Add missing PEP 523 checks (GH-104406)Brandt Bucher2023-05-12
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* GH-103082: Filter LINE events in VM, to simplify tool implementation. ↵Mark Shannon2023-05-12
| | | | | | | | (GH-104387) When monitoring LINE events, instrument all instructions that can have a predecessor on a different line. Then check that the a new line has been hit in the instrumentation code. This brings the behavior closer to that of 3.11, simplifying implementation and porting of tools.
* gh-104413: Fix refleak when super attribute throws AttributeError (#104414)Jelle Zijlstra2023-05-12
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* gh-87729: improve hit rate of LOAD_SUPER_ATTR specialization (#104270)Carl Meyer2023-05-11
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* gh-87849: fix SEND specialization family definition (GH-104268)Carl Meyer2023-05-11
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* gh-97933: (PEP 709) inline list/dict/set comprehensions (#101441)Carl Meyer2023-05-09
| | | | Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com> Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* gh-98003: Inline call frames for CALL_FUNCTION_EX (GH-98004)Ken Jin2023-04-30
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* gh-87729: specialize LOAD_SUPER_ATTR_METHOD (#103809)Carl Meyer2023-04-25
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* gh-87729: add LOAD_SUPER_ATTR instruction for faster super() (#103497)Carl Meyer2023-04-24
| | | | | This speeds up `super()` (by around 85%, for a simple one-level `super().meth()` microbenchmark) by avoiding allocation of a new single-use `super()` object on each use.
* GH-103488: Use return-offset, not yield-offset. (GH-103502)Mark Shannon2023-04-13
| | | | * Use return-offset, not yield-offset, so that instruction pointer is correct when sending to a generator or coroutine.
* GH-103082: Implementation of PEP 669: Low Impact Monitoring for CPython ↵Mark Shannon2023-04-12
| | | | | | | | | | (GH-103083) * The majority of the monitoring code is in instrumentation.c * The new instrumentation bytecodes are in bytecodes.c * legacy_tracing.c adapts the new API to the old sys.setrace and sys.setprofile APIs
* GH-88691: Shrink the CALL caches (GH-103230)Brandt Bucher2023-04-05
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* gh-102192: use PyErr_SetHandledException instead of the legacy ↵Irit Katriel2023-04-01
| | | | PyErr_SetExcInfo (#103157)
* Add missing variables to `bytecodes.c` (GH-103153)Brett Cannon2023-03-31
| | | The code works without this change, but it does cause C tooling to complain less about undeclared variables.
* GH-89987: Shrink the BINARY_SUBSCR caches (GH-103022)Brandt Bucher2023-03-29
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* GH-100982: Break up COMPARE_AND_BRANCH (GH-102801)Brandt Bucher2023-03-23
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* gh-102859: Remove JUMP_IF_FALSE_OR_POP and JUMP_IF_TRUE_OR_POP (#102870)Irit Katriel2023-03-22
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* GH-101291: Rearrange the size bits in PyLongObject (GH-102464)Mark Shannon2023-03-22
| | | | | | | | | | * Eliminate all remaining uses of Py_SIZE and Py_SET_SIZE on PyLongObject, adding asserts. * Change layout of size/sign bits in longobject to support future addition of immortal ints and tagged medium ints. * Add functions to hide some internals of long object, and for setting sign and digit count. * Replace uses of IS_MEDIUM_VALUE macro with _PyLong_IsCompact().
* gh-102598: Remove obsolete optimization from `FORMAT_VALUE` opcode (#102599)Nikita Sobolev2023-03-21
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* gh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives ↵Irit Katriel2023-03-19
| | | | (#102816)
* gh-98831: Use DECREF_INPUTS() more (#102409)Guido van Rossum2023-03-13
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* GH-100987: Don't cache references to the names and consts array in ↵Mark Shannon2023-03-13
| | | | | | | `_PyEval_EvalFrameDefault`. (#102640) * Rename local variables, names and consts, from the interpeter loop. Will allow non-code objects in frames for better introspection of C builtins and extensions. * Remove unused dummy variables.
* GH-102300: Reuse objects with refcount == 1 in float specialized binary ops. ↵Mark Shannon2023-03-13
| | | | (GH-102301)
* GH-90997: Shrink the LOAD_GLOBAL caches (#102569)Brandt Bucher2023-03-10
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* gh-100227: Move dict_state.global_version to PyInterpreterState (gh-102338)Eric Snow2023-03-09
| | | https://github.com/python/cpython/issues/100227
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