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mpage 2e95c5ba3b
gh-115999: Implement thread-local bytecode and enable specialization for BINARY_OP (#123926) 
Each thread specializes a thread-local copy of the bytecode, created on the first RESUME, in free-threaded builds. All copies of the bytecode for a code object are stored in the co_tlbc array on the code object. Threads reserve a globally unique index identifying its copy of the bytecode in all co_tlbc arrays at thread creation and release the index at thread destruction. The first entry in every co_tlbc array always points to the "main" copy of the bytecode that is stored at the end of the code object. This ensures that no bytecode is copied for programs that do not use threads.

Thread-local bytecode can be disabled at runtime by providing either -X tlbc=0 or PYTHON_TLBC=0. Disabling thread-local bytecode also disables specialization.

Concurrent modifications to the bytecode made by the specializing interpreter and instrumentation use atomics, with specialization taking care not to overwrite an instruction that was instrumented concurrently.
2024-11-04 11:13:32 -08:00
..
_ctypes gh-126035: add missing whitespace to *Py_EnterRecursiveCall() messages (#126036) 2024-10-27 22:55:48 +01:00
_decimal gh-121798: Add class method Decimal.from_number() (GH-121801) 2024-10-14 08:24:01 +00:00
_hacl GH-99108: Make vectorized versions of Blake2 available on x86, too (#125244) 2024-10-17 15:08:43 +00:00
_io gh-120754: _io Ensure stat cache is cleared on fd change (#125166) 2024-11-01 22:50:49 +01:00
_multiprocessing gh-117873: Revert _posixshmem.shm_open() change (#118901) 2024-05-13 16:03:52 +02:00
_sqlite Fixes loop variables to be the same types as their limit (GH-120958) 2024-06-24 17:11:47 +01:00
_sre gh-122854: Add Py_HashBuffer() function (#122855) 2024-08-30 15:42:27 +00:00
_ssl gh-111926: Make weakrefs thread-safe in free-threaded builds (#117168) 2024-04-08 10:58:38 -04:00
_testcapi gh-124872: Replace enter/exit events with "switched" (#125532) 2024-10-16 13:53:21 +02:00
_testinternalcapi Fixes loop variables to be the same types as their limit (GH-120958) 2024-06-24 17:11:47 +01:00
_testlimitedcapi gh-124502: Add PyUnicode_Equal() function (#124504) 2024-10-07 21:24:53 +00:00
_xxtestfuzz gh-121023: Improve _xxtestfuzz/README.rst (#121024) 2024-09-16 23:28:09 +03:00
cjkcodecs gh-115754: Use Py_GetConstant(Py_CONSTANT_EMPTY_STR) (#125194) 2024-10-09 17:15:23 +02:00
clinic gh-126220: Adapt _lsprof to Argument Clinic (#126233) 2024-11-04 19:18:21 +03:00
expat gh-123678: Upgrade libexpat 2.6.3 (#123689) 2024-09-04 12:57:16 -07:00
_abc.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_asynciomodule.c gh-126138: Fix use-after-free in _asyncio.Task by evil __getattribute__ (#126305) 2024-11-02 13:16:00 +05:30
_bisectmodule.c gh-126035: add missing whitespace to *Py_EnterRecursiveCall() messages (#126036) 2024-10-27 22:55:48 +01:00
_bz2module.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_codecsmodule.c gh-124665: Add _PyCodec_UnregisterError and _codecs._unregister_error (#124677) 2024-09-29 02:25:23 +02:00
_collectionsmodule.c gh-124153: Remove _PyType_GetModuleByDef2 private function (GH-124261) 2024-09-26 18:21:11 +02:00
_complex.h gh-61103: Support float and long double complex types in ctypes module (#121248) 2024-07-03 11:08:11 +02:00
_contextvarsmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_csv.c gh-116738: Make _csv module thread-safe (#118344) 2024-10-11 23:25:36 +05:30
_curses_panel.c gh-113565: Improve and harden detection of curses dependencies (#119816) 2024-07-01 08:10:03 +00:00
_cursesmodule.c gh-126313: Fix a crash in curses.napms() due to incorrect error handling (GH-126351) 2024-11-03 15:08:34 +00:00
_datetimemodule.c gh-115754: Use Py_GetConstant(Py_CONSTANT_EMPTY_STR) (#125583) 2024-10-25 11:14:52 +02:00
_dbmmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_elementtree.c gh-115754: Use Py_GetConstant(Py_CONSTANT_EMPTY_STR) (#125194) 2024-10-09 17:15:23 +02:00
_functoolsmodule.c gh-125916: Adapt functools.reduce() to Argument Clinic (#125999) 2024-11-01 21:15:39 +01:00
_gdbmmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_hashopenssl.c gh-122854: Add Py_HashBuffer() function (#122855) 2024-08-30 15:42:27 +00:00
_heapqmodule.c Remove almost all unpaired backticks in docstrings (#119231) 2024-05-22 12:35:18 -04:00
_interpchannelsmodule.c gh-125716: Use A Global Mutex When Initializing Global State For The _interpqueues Module (gh-125803) 2024-10-21 15:49:58 -06:00
_interpqueuesmodule.c gh-125716: Use A Global Mutex When Initializing Global State For The _interpqueues Module (gh-125803) 2024-10-21 15:49:58 -06:00
_interpreters_common.h gh-76785: Expand How Interpreter Channels Handle Interpreter Finalization (gh-121805) 2024-07-15 19:43:59 +00:00
_interpretersmodule.c gh-126223: Propagate unicode errors in _interpreters.create() (#126224) 2024-10-31 17:14:37 +03:00
_json.c gh-125196: Use PyUnicodeWriter for JSON encoder (#125249) 2024-10-10 15:33:00 +02:00
_localemodule.c gh-124969: Make locale.nl_langinfo(locale.ALT_DIGITS) returning a string again (GH-125774) 2024-10-21 18:54:12 +00:00
_lsprof.c gh-126220: Adapt _lsprof to Argument Clinic (#126233) 2024-11-04 19:18:21 +03:00
_lzmamodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_math.h gh-122681: remove m_atan2()/c_atan2() helpers (#122715) 2024-08-17 13:48:16 +05:30
_opcode.c gh-115999: Implement thread-local bytecode and enable specialization for BINARY_OP (#123926) 2024-11-04 11:13:32 -08:00
_operator.c gh-115808: Add `is_none and is_not_none to operator` (#115814) 2024-08-10 20:16:34 +01:00
_pickle.c gh-123497: New limit for Python integers on 64-bit platforms (GH-123724) 2024-09-29 10:40:20 +03:00
_posixsubprocess.c gh-121381 Remove subprocess._USE_VFORK escape hatch (#121383) 2024-07-30 18:39:54 -07:00
_queuemodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_randommodule.c gh-123497: New limit for Python integers on 64-bit platforms (GH-123724) 2024-09-29 10:40:20 +03:00
_scproxy.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_ssl.c gh-126106: Fix NULL possible derefrence in Modules/_ssl.c (#126111) 2024-10-29 12:03:18 +03:00
_ssl.h GH-103092: isolate _ssl (#104725) 2023-05-22 06:14:48 +05:30
_ssl_data_31.h gh-103142: Upgrade binary builds and CI to OpenSSL 1.1.1u (#105174) 2023-06-01 09:42:18 -07:00
_ssl_data_111.h gh-103142: Upgrade binary builds and CI to OpenSSL 1.1.1u (#105174) 2023-06-01 09:42:18 -07:00
_ssl_data_300.h gh-103142: Upgrade binary builds and CI to OpenSSL 1.1.1u (#105174) 2023-06-01 09:42:18 -07:00
_stat.c Fix typos in docs, error messages and comments (#123336) 2024-08-28 14:41:04 +03:00
_statisticsmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_struct.c gh-125118: don't copy arbitrary values to _Bool in the struct module (GH-125169) 2024-10-10 14:42:03 +02:00
_suggestions.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_sysconfig.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_testbuffer.c gh-120674: Protect multi-line macros in _testbuffer.c and _testcapimodule.c (#120675) 2024-06-18 12:04:52 +00:00
_testcapi_feature_macros.inc gh-91325: Skip Stable ABI checks with Py_TRACE_REFS special build (GH-92046) 2024-01-29 16:45:31 +01:00
_testcapimodule.c gh-121654: Add PyType_Freeze() function (#122457) 2024-10-25 11:12:48 +02:00
_testclinic.c gh-90370: Argument Clinic: avoid temporary tuple creation for varargs (#126064) 2024-10-31 11:37:03 +01:00
_testclinic_limited.c gh-116322: Rename PyModule_ExperimentalSetGIL to PyUnstable_Module_SetGIL (GH-118645) 2024-05-06 18:59:36 +02:00
_testexternalinspection.c gh-125604: Move _Py_AuditHookEntry, etc. Out of pycore_runtime.h (gh-125605) 2024-10-18 09:26:08 -06:00
_testimportmultiple.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_testinternalcapi.c gh-115999: Implement thread-local bytecode and enable specialization for BINARY_OP (#123926) 2024-11-04 11:13:32 -08:00
_testlimitedcapi.c gh-111495: Add tests for PyCodec_* C API (#123343) 2024-09-29 15:22:39 +00:00
_testmultiphase.c gh-116322: Rename PyModule_ExperimentalSetGIL to PyUnstable_Module_SetGIL (GH-118645) 2024-05-06 18:59:36 +02:00
_testsinglephase.c gh-123880: Allow recursive import of single-phase-init modules (GH-123950) 2024-09-20 10:27:34 +02:00
_threadmodule.c gh-125139: use _PyRecursiveMutex in _thread.RLock (#125144) 2024-10-14 14:06:31 +05:30
_tkinter.c gh-125235: Keep _tkinter TCL paths pointing to base installation on Windows (#125250) 2024-10-11 11:08:03 +02:00
_tracemalloc.c gh-116322: Rename PyModule_ExperimentalSetGIL to PyUnstable_Module_SetGIL (GH-118645) 2024-05-06 18:59:36 +02:00
_typingmodule.c gh-123448: Move _PyNoDefault_Type to the static types array (#123449) 2024-08-28 18:27:40 -07:00
_uuidmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_weakref.c gh-120974: Make _asyncio._leave_task atomic in the free-threaded build (#122139) 2024-07-23 17:06:03 +00:00
_winapi.c gh-100256: Skip inaccessible registry keys in the WinAPI mimetype implementation (GH-122047) 2024-08-07 16:07:26 +01:00
_zoneinfo.c gh-125243: Fix ZoneInfo data race in free threading build (#125281) 2024-10-13 16:17:51 -04:00
addrinfo.h gh-95174: WASI: skip missing sockets functions (GH-95179) 2022-07-27 08:19:23 +02:00
arraymodule.c gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907) 2024-07-19 08:06:02 +00:00
atexitmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
binascii.c gh-118314: Fix padding edge case in binascii.a2b_base64 strict mode (GH-118320) 2024-05-07 11:18:45 +02:00
blake2module.c gh-123748: Add conditional compilation rules for HACL SIMD256 and SIMD128 on macOS (#123989) 2024-09-16 12:23:05 +08:00
cmathmodule.c gh-120026: soft deprecate Py_HUGE_VAL macro (#120027) 2024-11-01 22:04:31 +00:00
config.c.in gh-104169: Fix test_peg_generator after tokenizer refactoring (#110727) 2023-10-12 09:34:35 +02:00
errnomodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
faulthandler.c gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907) 2024-07-19 08:06:02 +00:00
fcntlmodule.c gh-116622: Don't expose FICLONE ioctl on Android (#122522) 2024-08-01 00:23:10 +00:00
gc_weakref.txt Fix links to old SF bugs (#95648) 2022-08-04 18:12:35 +02:00
gcmodule.c gh-90370: Argument Clinic: avoid temporary tuple creation for varargs (#126064) 2024-10-31 11:37:03 +01:00
getaddrinfo.c gh-108767: Replace ctype.h functions with pyctype.h functions (#108772) 2023-09-01 18:36:53 +02:00
getbuildinfo.c gh-106320: Remove private pylifecycle.h functions (#106400) 2023-07-04 09:41:43 +00:00
getnameinfo.c gh-95174: WASI: skip missing sockets functions (GH-95179) 2022-07-27 08:19:23 +02:00
getpath.c gh-115754: Use Py_GetConstant(Py_CONSTANT_EMPTY_STR) (#125583) 2024-10-25 11:14:52 +02:00
getpath.py gh-121103: Put free-threaded libraries in lib/python3.14t (#121293) 2024-07-11 16:21:37 -04:00
getpath_noop.c bpo-45582: Port getpath[p].c to Python (GH-29041) 2021-12-03 00:08:42 +00:00
grpmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
hashlib.h gh-111863: Rename Py_NOGIL to Py_GIL_DISABLED (#111864) 2023-11-20 15:52:00 +02:00
itertoolsmodule.c gh-123884 Tee of tee was not producing n independent iterators (gh-124490) 2024-09-25 13:38:05 -07:00
ld_so_aix.in Issue #10656: Fix out-of-tree building on AIX 2016-11-20 07:56:37 +00:00
main.c gh-121957: Emit audit events for python -i and python -m asyncio (GH-121958) 2024-07-22 13:04:08 +02:00
makesetup gh-116622: Rename build variable MODULE_LDFLAGS back to LIBPYTHON (#122764) 2024-08-09 00:00:55 +02:00
makexp_aix bpo-42087: Remove support for AIX 5.3 and below (GH-22830) 2020-11-16 16:16:10 +01:00
mathmodule.c gh-120026: soft deprecate Py_HUGE_VAL macro (#120027) 2024-11-01 22:04:31 +00:00
md5module.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
mmapmodule.c gh-115754: Use Py_GetConstant(Py_CONSTANT_EMPTY_BYTES) (#125195) 2024-10-09 17:12:11 +02:00
overlapped.c gh-121040: Use __attribute__((fallthrough)) (#121044) 2024-06-27 09:58:44 +00:00
posixmodule.c gh-94512: Fix forced arg format in posixmodule.c clinic code (#122516) 2024-10-26 23:40:31 +02:00
posixmodule.h gh-85283: Convert grp extension to the limited C API (#116611) 2024-03-12 00:46:53 +00:00
pwdmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
pyexpat.c GH-119462: Enforce invariants of type versioning (GH-120731) 2024-06-19 17:38:45 +01:00
readline.c gh-116322: Rename PyModule_ExperimentalSetGIL to PyUnstable_Module_SetGIL (GH-118645) 2024-05-06 18:59:36 +02:00
README Issue #18093: Factor out the programs that embed the runtime 2014-07-25 21:52:14 +10:00
resource.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
rotatingtree.c gh-116181: Remove Py_BUILD_CORE_BUILTIN and Py_BUILD_CORE_MODULE in rotatingtree.c (#121260) 2024-07-03 13:05:05 +05:30
rotatingtree.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
selectmodule.c Fix typos in docs, error messages and comments (#123336) 2024-08-28 14:41:04 +03:00
Setup GH-99108: Amend Modules/Setup (#123146) 2024-08-23 08:40:31 +02:00
Setup.bootstrap.in gh-121554: remove unnecessary internal functions in compile.c (#121555) 2024-07-10 23:48:37 +01:00
Setup.stdlib.in gh-111495: Add tests for PyCodec_* C API (#123343) 2024-09-29 15:22:39 +00:00
sha1module.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
sha2module.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
sha3module.c Fix typos in docs, error messages and comments (#123336) 2024-08-28 14:41:04 +03:00
signalmodule.c gh-123014: Disable pidfd API on older Android versions (#124458) 2024-09-25 16:23:30 +02:00
socketmodule.c gh-118986: expose socket.IPV6_RECVERR (#118987) 2024-10-17 20:49:12 +03:00
socketmodule.h gh-124944: Add socket.SO_ORIGINAL_DST (#124945) 2024-10-15 00:36:38 +02:00
symtablemodule.c gh-119933: Improve `SyntaxError` message for invalid type parameters expressions (#119976) 2024-06-17 06:51:03 -07:00
syslogmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
termios.c gh-119770: Make termios ioctl() constants positive (#119840) 2024-05-31 17:18:40 +02:00
timemodule.c gh-52551: Use wcsftime() to implement time.strftime() on Windows (GH-125658) 2024-10-19 11:29:51 +03:00
tkappinit.c gh-103538: Remove unused TK_AQUA code (GH-103539) 2023-05-10 18:53:13 +00:00
tkinter.h gh-103532: Remove TKINTER_PROTECT_LOADTK code (GH-103535) 2023-04-14 09:04:16 -05:00
unicodedata.c gh-115754: Use Py_GetConstant(Py_CONSTANT_EMPTY_STR) (#125194) 2024-10-09 17:15:23 +02:00
unicodedata_db.h closes gh-124016: update Unicode to 16.0.0 (#124017) 2024-09-13 07:47:04 -07:00
unicodename_db.h closes gh-124016: update Unicode to 16.0.0 (#124017) 2024-09-13 07:47:04 -07:00
winreparse.h bpo-31512: Add non-elevated symlink support for Windows (GH-3652) 2019-04-09 11:19:46 -07:00
xxlimited.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
xxlimited_35.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
xxmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
xxsubtype.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
zlibmodule.c gh-115754: Use Py_GetConstant(Py_CONSTANT_EMPTY_BYTES) (#125195) 2024-10-09 17:12:11 +02:00

README 

Source files for standard library extension modules,
and former extension modules that are now builtin modules.