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* bpo-47120: Replace the JUMP_ABSOLUTE opcode by the relative JUMP_BACKWARD ↵Irit Katriel2022-03-311-12/+11
| | | | (GH-32115)
* Merge deoptimization blocks in interpreter (GH-32155)Mark Shannon2022-03-301-33/+23
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* bpo-47053: Refactor BINARY_OP_INPLACE_ADD_UNICODE (GH-32122)Dennis Sweeney2022-03-291-14/+18
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* bpo-47127: Specialize calls for fastcall c methods with keywords (GH-32125)Kumar Aditya2022-03-271-0/+32
| | | | * add PRECALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS
* bpo-47053: Reduce deoptimization in BINARY_OP_INPLACE_ADD_UNICODE (GH-31318)Dennis Sweeney2022-03-251-4/+5
| | | | | * Don't deopt if refcounts are too big * Detect more at specialization time
* bpo-46841: remove no-longer-used macro UPDATE_PREV_INSTR_OPARG (GH-32100)Irit Katriel2022-03-241-2/+0
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* bpo-43166: Disable ceval.c optimizations for Windows debug builds (GH-32023)neonene2022-03-231-4/+0
| | | Also increases the stack allocation when run with `python_d.exe` to account for the extra stack checks that are added.
* bpo-47045: Remove `f_state` field (GH-31963)Mark Shannon2022-03-221-92/+97
| | | | | * Remove the f_state field from _PyInterpreterFrame * Make ownership of the frame explicit, replacing the is_generator field with an owner field.
* bpo-46841: Quicken code in-place (GH-31888)Brandt Bucher2022-03-211-27/+12
| | | | | | | | | | | | | | | | | | | * Moves the bytecode to the end of the corresponding PyCodeObject, and quickens it in-place. * Removes the almost-always-unused co_varnames, co_freevars, and co_cellvars member caches * _PyOpcode_Deopt is a new mapping from all opcodes to their un-quickened forms. * _PyOpcode_InlineCacheEntries is renamed to _PyOpcode_Caches * _Py_IncrementCountAndMaybeQuicken is renamed to _PyCode_Warmup * _Py_Quicken is renamed to _PyCode_Quicken * _co_quickened is renamed to _co_code_adaptive (and is now a read-only memoryview). * Do not emit unused nonzero opargs anymore in the compiler.
* bpo-46850: Remove _PyEval_CallTracing() function (GH-32019)Victor Stinner2022-03-211-4/+7
| | | | Remove the private undocumented function _PyEval_CallTracing() from the C API. Call the public sys.call_tracing() function instead.
* bpo-46850: Remove _PyEval_GetCoroutineOriginTrackingDepth() (GH-32018)Victor Stinner2022-03-211-4/+10
| | | | | | | | | | | | | | | Remove the private undocumented function _PyEval_GetCoroutineOriginTrackingDepth() from the C API. Call the public sys.get_coroutine_origin_tracking_depth() function instead. Change the internal function _PyEval_SetCoroutineOriginTrackingDepth(): * Remove the 'tstate' parameter; * Add return value and raises an exception if depth is negative; * No longer export the function: call the public sys.set_coroutine_origin_tracking_depth() function instead. Uniformize also function declarations in pycore_ceval.h.
* Use low bit of LOAD_GLOBAL's oparg to indicate whether it should push an ↵Mark Shannon2022-03-171-5/+13
| | | | additional NULL. (GH-31933)
* bpo-46841: Don't scan backwards in bytecode (GH-31901)Mark Shannon2022-03-161-13/+7
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* bpo-45923: Decouple suspension of tracing from tracing flag. (GH-31908)Mark Shannon2022-03-151-16/+28
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* bpo-46920: Remove code that has explainers why it was disabled (GH-31813)Oleg Iarygin2022-03-141-6/+0
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* bpo-46841: Add a _Py_SET_OPCODE macro (GH-31780)Brandt Bucher2022-03-121-1/+1
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* bpo-46841: Don't use an oparg counter for `STORE_SUBSCR` (GH-31742)Brandt Bucher2022-03-081-20/+9
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* bpo-46841: Use inline caching for calls (GH-31709)Brandt Bucher2022-03-071-142/+93
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* bpo-46940: Don't override existing AttributeError suggestion information ↵Pablo Galindo Salgado2022-03-071-3/+6
| | | | | | | | | | | | (GH-31710) When an exception is created in a nested call to PyObject_GetAttr, any external calls will override the context information of the AttributeError that we have already placed in the most internal call. This will cause the suggestions we create to nor work properly as the attribute name and object that we will be using are the incorrect ones. To avoid this, we need to check first if these attributes are already set and bail out if that's the case.
* bpo-46841: Fix BINARY_OP's handling of inline caches (GH-31671)Brandt Bucher2022-03-041-2/+3
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* bpo-46841: Fix error message hacks in `GET_AWAITABLE` (GH-31664)Brandt Bucher2022-03-041-11/+5
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* bpo-46841: Use inline caching for attribute accesses (GH-31640)Brandt Bucher2022-03-031-166/+102
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* Move check for str-only keys in LOAD_GLOBAL specializations to ↵Mark Shannon2022-03-031-15/+6
| | | | specialization time. (GH-31659)
* bpo-46845: Reduce dict size when all keys are Unicode (GH-31564)Inada Naoki2022-03-011-40/+53
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* bpo-46841: Use inline cache for `BINARY_SUBSCR`. (GH-31618)Mark Shannon2022-03-011-13/+19
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* bpo-46841: Use inline caching for `COMPARE_OP` (GH-31622)Brandt Bucher2022-03-011-15/+18
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* bpo-45431: Rename CFrame to _PyCFrame in the C API (GH-31584)Victor Stinner2022-02-281-3/+3
| | | | | | Rename also struct _cframe to struct _PyCFrame. Add a comment suggesting using public functions rather than using directly the private _PyCFrame structure.
* bpo-46841: Move the cache for `LOAD_GLOBAL` inline. (GH-31575)Mark Shannon2022-02-281-18/+20
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* bpo-46841: Use inline caching for `UNPACK_SEQUENCE` (GH-31591)Brandt Bucher2022-02-281-14/+15
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* bpo-46836: Rename InterpreterFrame to _PyInterpreterFrame (GH-31583)Victor Stinner2022-02-251-41/+41
| | | | | Rename also struct _interpreter_frame to struct _PyInterpreterFrame. Reduce risk of name conflicts if a project includes pycore_frame.h.
* bpo-46841: Use *inline* caching for `BINARY_OP` (GH-31543)Brandt Bucher2022-02-251-6/+34
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* bpo-45107: Specialize `LOAD_METHOD` for instances with dict. (GH-31531)Mark Shannon2022-02-241-2/+34
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* bpo-46823: Implement LOAD_FAST__LOAD_ATTR_INSTANCE_VALUE superinstruction ↵Dennis Sweeney2022-02-241-3/+77
| | | | (GH-31484)
* bpo-44337: Shrink the LOAD_ATTR/STORE_ATTR caches (GH-31517)Brandt Bucher2022-02-231-23/+16
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* Fix reporting of specialization stats. (GH-31503)Mark Shannon2022-02-221-0/+2
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* Move call specializations from CALL to PRECALL. (GH-31496)Mark Shannon2022-02-221-75/+132
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* bpo-46329: Streamline calling sequence a bit. (GH-31465)Mark Shannon2022-02-211-118/+151
| | | | | | | | | | | | | | * Move handling of bound-methods to PRECALL. * Remove call_shape.postcall_shrink * Remove call_shape.callable * Remove call_shape.callable. Change CALL oparg to match PRECALL oparg. * Move KW_NAMES before PRECALL. * Update opcode docs in dis.rst
* bpo-46329: Change calling sequence (again) (GH-31373)Mark Shannon2022-02-181-21/+11
| | | | * Change calling sequence: Add PUSH_NULL. Merge PRECALL_FUNCTION and PRECALL_METHOD into PRECALL.
* bpo-46709: check eval breaker in specialized `CALL` opcodes (GH-31404)Nikita Sobolev2022-02-181-0/+9
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* bpo-46702: Specialize UNPACK_SEQUENCE (GH-31240)Brandt Bucher2022-02-161-33/+66
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* Include length in stats for UNPACK_SEQUENCE. (GH-31254)Mark Shannon2022-02-141-2/+2
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* bpo-45923: Add `RESUME_QUICK` (GH-31244)Brandt Bucher2022-02-101-7/+9
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* Gather stats for PRECALL_METHOD. (GH-31259)Mark Shannon2022-02-101-2/+13
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* bpo-46532: Reduce number of memory writes to update call_shape.kwnames. ↵Mark Shannon2022-02-101-7/+15
| | | | (GH-31231)
* Fix sys.getdxp() when configured with --enable-pystats. (GH-31251)Mark Shannon2022-02-101-1/+17
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* Add stats for PRECALL_FUNCTION. (GH-31250)Mark Shannon2022-02-101-0/+5
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* bpo-46541: Replace core use of _Py_IDENTIFIER() with statically initialized ↵Eric Snow2022-02-081-56/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | global objects. (gh-30928) We're no longer using _Py_IDENTIFIER() (or _Py_static_string()) in any core CPython code. It is still used in a number of non-builtin stdlib modules. The replacement is: PyUnicodeObject (not pointer) fields under _PyRuntimeState, statically initialized as part of _PyRuntime. A new _Py_GET_GLOBAL_IDENTIFIER() macro facilitates lookup of the fields (along with _Py_GET_GLOBAL_STRING() for non-identifier strings). https://bugs.python.org/issue46541#msg411799 explains the rationale for this change. The core of the change is in: * (new) Include/internal/pycore_global_strings.h - the declarations for the global strings, along with the macros * Include/internal/pycore_runtime_init.h - added the static initializers for the global strings * Include/internal/pycore_global_objects.h - where the struct in pycore_global_strings.h is hooked into _PyRuntimeState * Tools/scripts/generate_global_objects.py - added generation of the global string declarations and static initializers I've also added a --check flag to generate_global_objects.py (along with make check-global-objects) to check for unused global strings. That check is added to the PR CI config. The remainder of this change updates the core code to use _Py_GET_GLOBAL_IDENTIFIER() instead of _Py_IDENTIFIER() and the related _Py*Id functions (likewise for _Py_GET_GLOBAL_STRING() instead of _Py_static_string()). This includes adding a few functions where there wasn't already an alternative to _Py*Id(), replacing the _Py_Identifier * parameter with PyObject *. The following are not changed (yet): * stop using _Py_IDENTIFIER() in the stdlib modules * (maybe) get rid of _Py_IDENTIFIER(), etc. entirely -- this may not be doable as at least one package on PyPI using this (private) API * (maybe) intern the strings during runtime init https://bugs.python.org/issue46541
* bpo-46675: Allow object value arrays and split key dictionaries larger than ↵Mark Shannon2022-02-081-3/+2
| | | | 16 (GH-31191)
* bpo-46072: Merge dxpairs into py_stats. (GH-31197)Mark Shannon2022-02-071-60/+17
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* bpo-46670: Remove unused macros in ceval.c (GH-31196)Victor Stinner2022-02-071-7/+2
| | | Remove CHECKEXC() and EXT_POP() macros.