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* GH-96237: Allow non-functions as reference-holder in frames. (GH-96238)Mark Shannon2022-08-251-5/+9
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* GH-93503: Add thread-specific APIs to set profiling and tracing functions in ↵Pablo Galindo Salgado2022-08-241-0/+45
| | | | | | | | | | | | | | | | | the C-API (#93504) * gh-93503: Add APIs to set profiling and tracing functions in all threads in the C-API * Use a separate API * Fix NEWS entry * Add locks around the loop * Document ignoring exceptions * Use the new APIs in the sys module * Update docs
* GH-96177: Move GIL and eval breaker code out of ceval.c into ceval_gil.c. ↵Mark Shannon2022-08-241-641/+1
| | | | (GH-96204)
* GH-90997: Wrap yield from/await in a virtual try/except StopIteration (GH-96010)Brandt Bucher2022-08-191-0/+23
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* GH-93911: Specialize `LOAD_ATTR` for custom `__getattribute__` (GH-93988)Ken Jin2022-08-171-2/+41
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* Update _PyEval_AddPendingCall comment (#95817)zhanpon2022-08-111-2/+2
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* GH-95245: Store object values and dict pointers in single tagged pointer. ↵Mark Shannon2022-08-011-9/+14
| | | | (GH-95278)
* GH-90081: Run python tracers at full speed (GH-95328)Mark Shannon2022-07-281-4/+7
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* GH-95113: Don't use EXTENDED_ARG_QUICK in unquickened code (GH-95121)Brandt Bucher2022-07-221-0/+8
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* GH-94739: Mark stacks of exception handling blocks for setting ↵Mark Shannon2022-07-181-14/+0
| | | | frame.f_lineno in the debugger. (GH-94958)
* GH-93252: Fix error handling for failed Python calls (GH-94693)Brandt Bucher2022-07-091-1/+5
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* gh-94215: Fix error handling for line-tracing events (GH-94681)Brandt Bucher2022-07-081-5/+14
| | | | | * Re-enable crasher * Fix error handling for line-tracing events * blurb add
* gh-94510: Raise on re-entrant calls to sys.setprofile and sys.settrace ↵Pablo Galindo Salgado2022-07-051-2/+24
| | | | | (GH-94511) Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* gh-91719: Reload opcode on unknown error so that C can optimize the ↵neonene2022-06-301-0/+3
| | | | dispatching in ceval.c (#94364)
* GH-94163: Add BINARY_SLICE and STORE_SLICE instructions. (GH-94168)Mark Shannon2022-06-271-0/+41
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* GH-93841: Allow stats to be turned on and off, cleared and dumped at ↵Mark Shannon2022-06-211-3/+3
| | | | runtime. (GH-93843)
* GH-91432: Specialize FOR_ITER (GH-91713)Dennis Sweeney2022-06-211-12/+62
| | | | | * Adds FOR_ITER_LIST and FOR_ITER_RANGE specializations. * Adds _PyLong_AssignValue() internal function to avoid temporary boxing of ints.
* GH-93516: Speedup line number checks when tracing. (GH-93763)Mark Shannon2022-06-201-7/+9
| | | | * Use a lookup table to reduce overhead of getting line numbers during tracing.
* GH-93897: Store frame size in code object and de-opt if insufficient space ↵Mark Shannon2022-06-201-24/+14
| | | | on thread frame stack. (GH-93908)
* gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938)Victor Stinner2022-06-191-1/+0
| | | | | | | | | | | | | | | | Move the follow functions and type from frameobject.h to pyframe.h, so the standard <Python.h> provide frame getter functions: * PyFrame_Check() * PyFrame_GetBack() * PyFrame_GetBuiltins() * PyFrame_GetGenerator() * PyFrame_GetGlobals() * PyFrame_GetLasti() * PyFrame_GetLocals() * PyFrame_Type Remove #include "frameobject.h" from many C files. It's no longer needed.
* gh-93911: Specialize `LOAD_ATTR_PROPERTY` (GH-93912)Ken Jin2022-06-171-4/+42
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* gh-77782: Py_FdIsInteractive() now uses PyConfig.interactive (#93916)Victor Stinner2022-06-171-3/+3
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* Fix BINARY_SUBSCR_GETITEM stats (GH-93903)Ken Jin2022-06-161-6/+5
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* GH-93429: Merge `LOAD_METHOD` back into `LOAD_ATTR` (GH-93430)Ken Jin2022-06-141-136/+104
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* GH-93516: Store offset of first traceable instruction in code object (GH-93769)Mark Shannon2022-06-141-52/+37
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* Fix MSVC compiler warnings in ceval.c (#93569)Ken Jin2022-06-071-2/+2
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* Shrink the LOAD_METHOD cache by one codeunit. (#93537)Mark Shannon2022-06-071-7/+4
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* gh-93143: Avoid NULL check in LOAD_FAST based on analysis in the compiler ↵Dennis Sweeney2022-05-311-16/+14
| | | | (GH-93144)
* GH-93354: Use exponential backoff to avoid excessive specialization ↵Mark Shannon2022-05-311-21/+25
| | | | attempts. (GH-93355)
* bpo-40514: Drop EXPERIMENTAL_ISOLATED_SUBINTERPRETERS (gh-93185)Eric Snow2022-05-271-55/+0
| | | | | | | This was added for bpo-40514 (gh-84694) to test out a per-interpreter GIL. However, it has since proven unnecessary to keep the experiment in the repo. (It can be done as a branch in a fork like normal.) So here we are removing: * the configure option * the macro * the code enabled by the macro
* GH-90230: Add stats to breakdown the origin of calls to `PyEval_EvalFrame` ↵Mark Shannon2022-05-271-1/+4
| | | | (GH-93284)
* gh-92777: Add LOAD_METHOD_LAZY_DICT (GH-92778)Ken Jin2022-05-251-0/+23
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* gh-91924: Fix __lltrace__ for non-UTF-8 stdout encoding (#93199)Victor Stinner2022-05-251-1/+3
| | | | | | | | Fix __lltrace__ debug feature if the stdout encoding is not UTF-8. If the stdout encoding is not UTF-8, the first call to lltrace_resume_frame() indirectly sets lltrace to 0 when calling unicode_check_encoding_errors() which calls encodings.search_function().
* GH-89914: Make the oparg of the YIELD_VALUE instruction equal the stack ↵Mark Shannon2022-05-191-0/+1
| | | | depth. (GH-92960)
* GH-90690: Remove `PRECALL` instruction (GH-92925)Mark Shannon2022-05-191-170/+101
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* Split refcount stats into 'interpreter' and 'non-interpreter' (GH-92919)Mark Shannon2022-05-181-0/+2
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* Improve object stats (#92845)Mark Shannon2022-05-161-0/+2
| | | | | * Add incref/decref stats * Show ratios for allocation in summary
* GH-92236: Remove spurious "line" event when starting coroutine or generator. ↵Mark Shannon2022-05-131-0/+6
| | | | (GH-92722)
* Update outdated `LOAD_METHOD` comments in `Python/ceval.c` (GH-92641)Crowthebird2022-05-121-2/+2
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* GH-92239: Make sure that PEP 523 is supported, even when specializing first. ↵Mark Shannon2022-05-041-0/+2
| | | | (GH-92245)
* Use static inline function Py_EnterRecursiveCall() (#91988)Victor Stinner2022-05-041-15/+15
| | | | | | | | | | | | | | | | Currently, calling Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() may use a function call or a static inline function call, depending if the internal pycore_ceval.h header file is included or not. Use a different name for the static inline function to ensure that the static inline function is always used in Python internals for best performance. Similar approach than PyThreadState_GET() (function call) and _PyThreadState_GET() (static inline function). * Rename _Py_EnterRecursiveCall() to _Py_EnterRecursiveCallTstate() * Rename _Py_LeaveRecursiveCall() to _Py_LeaveRecursiveCallTstate() * pycore_ceval.h: Rename Py_EnterRecursiveCall() to _Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() and _Py_LeaveRecursiveCall()
* gh-92063: Enforce types in specialized PRECALL opcodes (GH-92068)Dennis Sweeney2022-04-301-16/+27
| | | | | | | | | * Check the types of PRECALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS * fix PRECALL_NO_KW_METHOD_DESCRIPTOR_NOARGS as well * fix PRECALL_NO_KW_METHOD_DESCRIPTOR_O * fix PRECALL_NO_KW_METHOD_DESCRIPTOR_FAST
* gh-91869: Fix tracing of specialized instructions with extended args (GH-91945)Dennis Sweeney2022-04-281-0/+9
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* gh-91719: Add pycore_opcode.h internal header file (#91906)Victor Stinner2022-04-251-0/+1
| | | | | | | | | | | Move the following API from Include/opcode.h (public C API) to a new Include/internal/pycore_opcode.h header file (internal C API): * EXTRA_CASES * _PyOpcode_Caches * _PyOpcode_Deopt * _PyOpcode_Jump * _PyOpcode_OpName * _PyOpcode_RelativeJump
* gh-89279: In ceval.c, redefine some macros for speed (#32387)Guido van Rossum2022-04-221-13/+60
| | | | | | | | | | | Macros Py_DECREF, Py_XDECREF, Py_IS_TYPE, _Py_atomic_load_32bit_impl and _Py_DECREF_SPECIALIZED are redefined as macros that completely replace the inline functions of the same name. These three came out in the top four of functions that (in MSVC) somehow weren't inlined. Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Dennis Sweeney <36520290+sweeneyde@users.noreply.github.com>
* GH-91719: Make MSVC generate somewhat faster switch code (#91718)Guido van Rossum2022-04-211-2/+4
| | | | | | | | | | | Apparently a switch on an 8-bit quantity where all cases are present generates a more efficient jump (doing only one indexed memory load instead of two). So we make opcode and use_tracing uint8_t, and generate a macro full of extra `case NNN:` lines for all unused opcodes. See https://github.com/faster-cpython/ideas/issues/321#issuecomment-1103263673
* Cast to (destructor) to fix compiler warnings (GH-91711)Dennis Sweeney2022-04-201-11/+11
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* gh-90667: Add specializations of Py_DECREF when types are known (GH-30872)Dennis Sweeney2022-04-191-40/+44
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* gh-91625: Don't ignore extended args of adaptive opcodes (GH-91626)Dennis Sweeney2022-04-171-16/+21
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* gh-78607: Replace __ltrace__ with __lltrace__ (GH-91619)Dennis Sweeney2022-04-161-1/+1
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