Commit Graph

193 Commits

Author SHA1 Message Date
Savannah Ostrowski 65f1237098
GH-123516: Improve JIT memory consumption by invalidating cold executors (GH-124443)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
2024-09-27 00:35:42 +00:00
Ken Jin 198756b0f6
gh-117376: Fix off-by-ones in conversion functions (GH-124301)
Fix off-by-ones in conversion function
2024-09-26 02:41:07 +08:00
Sam Gross f4997bb3ac
gh-123923: Defer refcounting for `f_funcobj` in `_PyInterpreterFrame` (#124026)
Use a `_PyStackRef` and defer the reference to `f_funcobj` when
possible. This avoids some reference count contention in the common case
of executing the same code object from multiple threads concurrently in
the free-threaded build.
2024-09-24 20:08:18 +00:00
Ken Jin 8810e286fa
gh-121459: Deferred LOAD_GLOBAL (GH-123128)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Sam Gross <655866+colesbury@users.noreply.github.com>
2024-09-14 00:23:51 +08:00
Sam Gross b2afe2aae4
gh-123923: Defer refcounting for `f_executable` in `_PyInterpreterFrame` (#123924)
Use a `_PyStackRef` and defer the reference to `f_executable` when
possible. This avoids some reference count contention in the common case
of executing the same code object from multiple threads concurrently in
the free-threaded build.
2024-09-12 12:37:06 -04:00
Mark Shannon 4ed7d1d6ac
GH-123996: Explicitly mark 'self_or_null' as an array of size 1 to ensure that it is kept in memory for calls (GH-124003) 2024-09-12 15:32:45 +01:00
Savannah Ostrowski 1fbc118c5d
GH-123545: Remove duplicate Py_DECREF when handling _PyOptimizer_Optimize errors (GH-123546) 2024-09-05 10:56:07 -07:00
Victor Stinner f1a0d96f41
gh-123091: Use _Py_IsImmortalLoose() (#123511)
Use _Py_IsImmortalLoose() in bytesobject.c, typeobject.c
and ceval.c.
2024-09-02 14:25:19 +02:00
Mark Shannon 54a05a4600
GH-123232: Factor BINARY_SLICE and STORE_SLICE to handle stats properly for tier 2. (GH-123381) 2024-08-27 10:49:39 +01:00
Kirill Podoprigora 67f2c84bff
gh-123205: `Python/bytecodes.c`: Fix compiler warning (#123206)
Fix MSVC warning "conversion from '__int64' to 'int'"
2024-08-23 15:35:25 -04:00
Mark Shannon 0b0f7befad
GH-123232: Fix "not specialized" stats (GH-123236) 2024-08-23 10:46:03 +01:00
Donghee Na 297f2e093e
gh-123083: Fix a potential use-after-free in ``STORE_ATTR_WITH_HINT`` (gh-123092) 2024-08-22 23:49:09 +09:00
Mark Shannon a4fd7aa4a6
GH-115776: Allow any fixed sized object to have inline values (GH-123192) 2024-08-21 15:52:04 +01:00
Mark Shannon 1eba8bae92
GH-123185: Check for `NULL` after calling `_PyEvalFramePushAndInit` (GH-123194) 2024-08-21 12:44:56 +01:00
Mark Shannon bb1d30336e
GH-118093: Make `CALL_ALLOC_AND_ENTER_INIT` suitable for tier 2. (GH-123140)
* Convert CALL_ALLOC_AND_ENTER_INIT to micro-ops such that tier 2 supports it

* Allow inexact arguments for CALL_ALLOC_AND_ENTER_INIT.
2024-08-20 16:52:58 +01:00
Mark Shannon c13e7d98fb
GH-118093: Specialize `CALL_KW` (GH-123006) 2024-08-16 17:11:24 +01:00
Brandt Bucher f84754b705
GH-118093: Turn some DEOPT_IFs into EXIT_IFs (GH-122998) 2024-08-14 07:54:42 -07:00
Mark Shannon eec7bdaf01
GH-120024: Remove `CHECK_EVAL_BREAKER` macro. (GH-122968)
* Factor some instructions into micro-ops to isolate CHECK_EVAL_BREAKER for escape analysis

* Eliminate CHECK_EVAL_BREAKER macro
2024-08-14 12:04:05 +01:00
Brandt Bucher 9621a7d017
GH-118093: Handle some polymorphism before requiring progress in tier two (GH-122843) 2024-08-12 12:39:31 -07:00
Sam Gross ab094d1b2b
gh-117139: Replace _PyList_FromArraySteal with stack ref variant (#122830)
This replaces `_PyList_FromArraySteal` with `_PyList_FromStackRefSteal`.
It's functionally equivalent, but takes a `_PyStackRef` array instead of
an array of `PyObject` pointers.

Co-authored-by: Ken Jin <kenjin@python.org>
2024-08-12 14:49:49 -04:00
Sam Gross 736fe4d23e
gh-117139: Fix a few `_PyStackRef` related bugs (#122831)
`BUILD_SET` should use a borrow instead of a steal. The cleanup in `_DO_CALL`
`CONVERSION_FAILED` was incorrect.

Co-authored-by: Ken Jin <kenjin@python.org>
2024-08-12 14:49:33 -04:00
Sam Gross 3e753c689a
gh-118926: Spill deferred references to stack in cases generator (#122748)
This automatically spills the results from `_PyStackRef_FromPyObjectNew`
to the in-memory stack so that the deferred references are visible to
the GC before we make any possibly escaping call.

Co-authored-by: Ken Jin <kenjin@python.org>
2024-08-07 13:23:53 -04:00
Sam Gross 674a50ef2f
gh-117139: Fix an incorrect borrow in bytecodes.c (#122318)
`_PyDict_SetItem_Take2` steals both the key (i.e., `sub`) and the value.
2024-08-07 19:06:19 +05:30
Mark Shannon 4c31791848
GH-120024: Move three more escaping calls out of conditional statements (GH-122734) 2024-08-06 14:14:52 +01:00
Mark Shannon a8be8fc6c4
GH-120024: Refactor code a bit so that escaping calls can be wrapped in spill code in code generator (GH-122693) 2024-08-06 08:40:39 +01:00
Mark Shannon 5bd72912a1
GH-122616: Simplify LOAD_ATTR_WITH_HINT and STORE_ATTR_WITH_HINT (GH-122620) 2024-08-05 16:27:48 +01:00
Mark Shannon 7aca84e557
GH-117224: Move the body of a few large-ish micro-ops into helper functions (GH-122601) 2024-08-02 16:31:17 +01:00
Mark Shannon df13a1821a
GH-118095: Add tier two support for BINARY_SUBSCR_GETITEM (GH-120793) 2024-08-01 16:19:05 -07:00
Mark Shannon a9d56e38a0
GH-122155: Track local variables between pops and pushes in cases generator (GH-122286) 2024-08-01 09:27:26 +01:00
Brandt Bucher 15d4cd0967
GH-116090: Fire RAISE events from _FOR_ITER_TIER_TWO (GH-122413) 2024-07-29 12:17:47 -07:00
Brandt Bucher 64857d849f
GH-122294: Burn in the addresses of side exits (GH-122295) 2024-07-26 09:40:15 -07:00
Mark Shannon 95a73917cd
GH-122029: Break INSTRUMENTED_CALL into micro-ops, so that its behavior is consistent with CALL (GH-122177) 2024-07-26 14:35:57 +01:00
Mark Shannon afb0aa6ed2
GH-121131: Clean up and fix some instrumented instructions. (GH-121132)
* Add support for 'prev_instr' to code generator and refactor some INSTRUMENTED instructions
2024-07-26 12:24:12 +01:00
Brandt Bucher d9efa45d74
GH-118093: Add tier two support for BINARY_OP_INPLACE_ADD_UNICODE (GH-122253) 2024-07-25 14:45:07 -07:00
Brandt Bucher 5f6001130f
GH-118093: Add tier two support for LOAD_ATTR_PROPERTY (GH-122283) 2024-07-25 10:45:28 -07:00
Mark Shannon 5e686ff57d
GH-122034: Add StackRef variants of type checks to reduce the number of PyStackRef_AsPyObjectBorrow calls (GH-122037) 2024-07-25 18:32:43 +01:00
Mark Shannon 2e14a52cce
GH-122160: Remove BUILD_CONST_KEY_MAP opcode. (GH-122164) 2024-07-25 16:24:29 +01:00
Brandt Bucher 794546fd53
GH-118093: Remove invalidated executors from side exits (GH-121885) 2024-07-24 09:16:30 -07:00
Brandt Bucher 7b36b67b1e
GH-118093: Add tier two support to several instructions (GH-121884) 2024-07-18 14:24:58 -07:00
Mark Shannon 3eacfc1a4d
GH-121784: Generate an error during code gen if a variable is marked `unused`, but is used and thus cached in a prior uop. (#121788)
* Reject uop definitions that declare values as 'unused' that are already cached by prior uops

* Track which variables are defined and only load from memory when needed

* Support explicit `flush` in macro definitions. 

* Make sure stack is flushed in where needed.
2024-07-18 12:49:24 +01:00
Mark Shannon 8ad6067bd4
GH-121012: Set index to -1 when list iterators become exhausted in tier 2 (GH-121483) 2024-07-08 14:20:13 +01:00
Sam Gross 8e8d202f55
gh-117139: Add _PyTuple_FromStackRefSteal and use it (#121244)
Avoids the extra conversion from stack refs to PyObjects.
2024-07-02 12:30:14 -04:00
Brandt Bucher 33903c53db
GH-116017: Get rid of _COLD_EXITs (GH-120960) 2024-07-01 13:17:40 -07:00
Ken Jin e6543daf12
gh-117139: Fix a few wrong steals in bytecodes.c (GH-121127)
Fix a few wrong steals in bytecodes.c
2024-06-29 02:14:48 +08:00
Ken Jin 22b0de2755
gh-117139: Convert the evaluation stack to stack refs (#118450)
This PR sets up tagged pointers for CPython.

The general idea is to create a separate struct _PyStackRef for everything on the evaluation stack to store the bits. This forces the C compiler to warn us if we try to cast things or pull things out of the struct directly.

Only for free threading: We tag the low bit if something is deferred - that means we skip incref and decref operations on it. This behavior may change in the future if Mark's plans to defer all objects in the interpreter loop pans out.

This implies a strict stack reference discipline is required. ALL incref and decref operations on stackrefs must use the stackref variants. It is unsafe to untag something then do normal incref/decref ops on it.

The new incref and decref variants are called dup and close. They mimic a "handle" API operating on these stackrefs.

Please read Include/internal/pycore_stackref.h for more information!

---------

Co-authored-by: Mark Shannon <9448417+markshannon@users.noreply.github.com>
2024-06-27 03:10:43 +08:00
Mark Shannon 8f5a01707f
GH-120982: Add stack check assertions to generated interpreter code (GH-120992) 2024-06-25 16:42:29 +01:00
Brandt Bucher a47abdb45d
GH-117062: Make _JUMP_TO_TOP a general absolute jump (GH-120854) 2024-06-24 08:35:10 -07:00
Irit Katriel 65a12c559c
gh-120834: fix type of *_iframe field in _PyGenObject_HEAD declaration (#120835) 2024-06-24 10:23:38 +01:00
Mark Shannon 9cefcc0ee7
GH-120507: Lower the `BEFORE_WITH` and `BEFORE_ASYNC_WITH` instructions. (#120640)
* Remove BEFORE_WITH and BEFORE_ASYNC_WITH instructions.

* Add LOAD_SPECIAL instruction

* Reimplement `with` and `async with` statements using LOAD_SPECIAL
2024-06-18 12:17:46 +01:00
Mark Shannon 274f844830
GH-120619: Clean up `RETURN_VALUE` instruction (GH-120624)
* Rename _POP_FRAME to _RETURN_VALUE as it returns a value as well as popping a frame.

* Remove remaining _POP_FRAMEs
2024-06-17 14:40:11 +01:00