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* gh-117494: extract the Instruction Sequence data structure into a separate ↵Irit Katriel2024-04-041-3/+9
| | | | file (#117496)
* gh-116968: Reimplement Tier 2 counters (#117144)Guido van Rossum2024-04-041-0/+1
| | | | | | | | | | | | Introduce a unified 16-bit backoff counter type (``_Py_BackoffCounter``), shared between the Tier 1 adaptive specializer and the Tier 2 optimizer. The API used for adaptive specialization counters is changed but the behavior is (supposed to be) identical. The behavior of the Tier 2 counters is changed: - There are no longer dynamic thresholds (we never varied these). - All counters now use the same exponential backoff. - The counter for ``JUMP_BACKWARD`` starts counting down from 16. - The ``temperature`` in side exits starts counting down from 64.
* gh-76785: Add PyInterpreterConfig Helpers (gh-117170)Eric Snow2024-04-021-0/+5
| | | These helpers make it easier to customize and inspect the config used to initialize interpreters. This is especially valuable in our tests. I found inspiration from the PyConfig API for the PyInterpreterConfig dict conversion stuff. As part of this PR I've also added a bunch of tests.
* gh-117323: Make `cell` thread-safe in free-threaded builds (#117330)Sam Gross2024-03-291-0/+1
| | | Use critical sections to lock around accesses to cell contents. The critical sections are no-ops in the default (with GIL) build.
* gh-114099: Additions to standard library to support iOS (GH-117052)Russell Keith-Magee2024-03-281-6/+24
| | | | | Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com> Co-authored-by: Malcolm Smith <smith@chaquo.com> Co-authored-by: Ned Deily <nad@python.org>
* gh-76785: Drop PyInterpreterID_Type (gh-117101)Eric Snow2024-03-211-3/+0
| | | I added it quite a while ago as a strategy for managing interpreter lifetimes relative to the PEP 554 (now 734) implementation. Relatively recently I refactored that implementation to no longer rely on InterpreterID objects. Thus now I'm removing it.
* gh-117089: Apply changes from importlib_metadata 7.1.0 (#117094)Jason R. Coombs2024-03-211-0/+5
| | | | | * Apply changes from importlib_metadata 7.1.0 * Include the data sources in the makefile (even though they're not needed)
* gh-117089: Move importlib.metadata tests to their own package (#117092)Jason R. Coombs2024-03-201-1/+2
| | | | | | | | | * Ensure importlib.metadata tests do not leak references in sys.modules. * Move importlib.metadata tests to their own package for easier syncing with importlib_metadata. * Update owners and makefile for new directories. * Add blurb
* gh-116417: Move limited C API long.c tests to _testlimitedcapi (#117001)Victor Stinner2024-03-191-1/+2
| | | | | | | * Split long.c tests of _testcapi into two parts: limited C API tests in _testlimitedcapi and non-limited C API tests in _testcapi. * Move testcapi_long.h from Modules/_testcapi/ to Modules/_testlimitedcapi/. * Add MODULE__TESTLIMITEDCAPI_DEPS to Makefile.pre.in.
* gh-116869: Add test_cext test: build a C extension (#116954)Victor Stinner2024-03-181-0/+1
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* gh-108716: Cleanup remaining deepfreeze infrastructure (#116919)Guido van Rossum2024-03-181-40/+3
| | | | | Keep Tools/build/deepfreeze.py around (we may repurpose it for deepfreezing non-code objects), and keep basic "clean" targets that remove the output of former deep-freeze activities, to keep the build directories of current devs clean.
* gh-106259: Add minimal help target to Makefile (#106260)Skip Montanaro2024-03-071-0/+24
| | | | | Co-authored-by: Erlend E. Aasland <erlend@python.org> Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* Parallelize regen-cases (#116446)Guido van Rossum2024-03-071-11/+44
| | | This makes a huge difference when using `make -j regen-cases`.
* gh-114099 - Add iOS testbed, plus Makefile target to invoke it. (gh-115930)Russell Keith-Magee2024-03-071-1/+43
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* gh-108562: Revert enabling -fstrict-overflow for libmpdec (GH-116302)Sergey B Kirpichev2024-03-041-1/+1
| | | | | gh-108562: partial reversion of pr114751 Reverts -fstrict-overflow for libmpdec
* gh-108562: Fix compiler warnings for libmpdec (#114751)Sergey B Kirpichev2024-03-031-1/+1
| | | | | | If awailable, enable -fstrict-overflow for libmpdec. Also shut off false positive warnings (-Warray-bounds). The later was backported from mpdecimal-4.0.0.
* gh-71052: Fix several Android build issues (#115955)Malcolm Smith2024-02-291-4/+2
| | | | | | | | | | | | | | | | | | | This change is part of the work on PEP-738: Adding Android as a supported platform. * Remove the "1.0" suffix from libpython's filename on Android, which would prevent Gradle from packaging it into an app. * Simplify the build command in the Makefile so that libpython always gets given an SONAME with the `-Wl-h` argument, even if the SONAME is identical to the actual filename. * Disable a number of functions on Android which can be compiled and linked against, but always fail at runtime. As a result, the native _multiprocessing module is no longer built for Android. * gh-115390 (bee7bb331) added some pre-determined results to the configure script for things that can't be autodetected when cross-compiling; this change adds Android to these where appropriate. * Add a couple more pre-determined results for Android, and making them cover iOS as well. This means the --enable-ipv6 configure option will no longer be required on either platform.
* GH-115816: Make tier2 optimizer symbols testable, and add a few tests. ↵Mark Shannon2024-02-271-0/+1
| | | | (GH-115953)
* Rename tier 2 redundancy eliminator to optimizer (#115888)Guido van Rossum2024-02-261-5/+5
| | | | The original name is just too much of a mouthful.
* gh-114099: Add configure and Makefile targets to support iOS compilation. ↵Russell Keith-Magee2024-02-261-3/+53
| | | | (GH-115390)
* gh-115663: Remove 'regen-sbom' from the 'regen-all' target (#115790)Seth Michael Larson2024-02-221-2/+2
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* gh-111225: Link extension modules against libpython on Android (#115780)Malcolm Smith2024-02-211-2/+2
| | | | | | | | | | | | | | Part of the work on PEP 738: Adding Android as a supported platform. * Rename the LIBPYTHON variable to MODULE_LDFLAGS, to more accurately reflect its purpose. * Edit makesetup to use MODULE_LDFLAGS when linking extension modules. * Edit the Makefile so that extension modules depend on libpython on Android and Cygwin. * Restore `-fPIC` on Android. It was removed several years ago with a note that the toolchain used it automatically, but this is no longer the case. Omitting it causes all linker commands to fail with an error like `relocation R_AARCH64_ADR_PREL_PG_HI21 cannot be used against symbol '_Py_FalseStruct'; recompile with -fPIC`.
* gh-115737: Correct libpython install name for macOS shared library builds. ↵Russell Keith-Magee2024-02-211-1/+1
| | | | (gh-115750)
* gh-115103: Implement delayed memory reclamation (QSBR) (#115180)Sam Gross2024-02-161-0/+2
| | | | | | This adds a safe memory reclamation scheme based on FreeBSD's "GUS" and quiescent state based reclamation (QSBR). The API provides a mechanism for callers to detect when it is safe to free memory that may be concurrently accessed by readers.
* gh-115041: Add wrappers that are atomic only in free-threaded builds (#115046)mpage2024-02-141-0/+1
| | | | | | These are intended to be used in places where atomics are required in free-threaded builds but not in the default build. We don't want to introduce the potential performance overhead of an atomic operation in the default build.
* gh-115421: Update the list of installed test subdirectories. (#115422)T. Wouters2024-02-131-3/+9
| | | | | Update the list of installed test subdirectories with all newly added subdirectories of Lib/test, so that the tests in those directories are properly installed.
* gh-76785: Improved Subinterpreters Compatibility with 3.12 (gh-115424)Eric Snow2024-02-131-0/+8
| | | | | For the most part, these changes make is substantially easier to backport subinterpreter-related code to 3.12, especially the related modules (e.g. _xxsubinterpreters). The main motivation is to support releasing a PyPI package with the 3.13 capabilities compiled for 3.12. A lot of the changes here involve either hiding details behind macros/functions or splitting up some files.
* gh-114058: Foundations of the Tier2 redundancy eliminator (GH-115085)Ken Jin2024-02-131-1/+7
| | | | | | | --------- Co-authored-by: Mark Shannon <9448417+markshannon@users.noreply.github.com> Co-authored-by: Jules <57632293+JuliaPoo@users.noreply.github.com> Co-authored-by: Guido van Rossum <gvanrossum@users.noreply.github.com>
* gh-108303: Move all `pydoc` related test files to new `test.test_pydoc` ↵Nikita Sobolev2024-02-131-0/+1
| | | | package (#114506)
* gh-114099: Refactor configure and Makefile to accomodate non-macOS ↵Russell Keith-Magee2024-02-121-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | frameworks (#115120) Part of the PEP 730 work to add iOS support. This change lays the groundwork for introducing iOS/tvOS/watchOS frameworks; it includes the structural refactoring needed so that iOS branches can be added into in a subsequent PR. Summary of changes: * Updates config.sub to the 2024-01-01 release. This is the "as released" version of config.sub. * Adds a RESSRCDIR variable to allow sharing of macOS and iOS Makefile steps. * Adds an INSTALLTARGETS variable so platforms can customise which targets are actually installed. This will be used to exclude certain targets (e.g., binaries, manfiles) from iOS framework installs. * Adds a PYTHONFRAMEWORKINSTALLNAMEPREFIX variable; this is used as the install name for the library. This is needed to allow for iOS frameworks to specify an @rpath-based install name. * Evaluates MACHDEP earlier in the configure process so that ac_sys_system is available. * Modifies _PYTHON_HOST_PLATFORM evaluation for cross-platform builds so that the CPU architecture is differentiated from the host identifier. This will be used to generate a _PYTHON_HOST_PLATFORM definition that includes ABI information, not just CPU architecture. * Differentiates between SOABI_PLATFORM and PLATFORM_TRIPLET. SOABI_PLATFORM is used in binary module names, and includes the ABI, but not the OS or CPU architecture (e.g., math.cpython-313-iphonesimulator.dylib). PLATFORM_TRIPLET is used as the sys._multiarch value, and on iOS will contains the ABI and architecture (e.g., iphoneos-arm64). This differentiation hasn't historically been needed because while macOS is a multiarch platform, it uses a bare darwin as PLATFORM_TRIPLE. * Removes the use of the deprecated -Wl,-single_module flag when compiling macOS frameworks. * Some whitespace normalisation where there was a mix of spaces and tabs in a single block.
* gh-110481: Implement inter-thread queue for biased reference counting (#114824)Sam Gross2024-02-091-0/+2
| | | | | | | | | Biased reference counting maintains two refcount fields in each object: `ob_ref_local` and `ob_ref_shared`. The true refcount is the sum of these two fields. In some cases, when refcounting operations are split across threads, the ob_ref_shared field can be negative (although the total refcount must be at least zero). In this case, the thread that decremented the refcount requests that the owning thread give up ownership and merge the refcount fields.
* gh-114505: Add missing header file dependencies (#114513)Skip Montanaro2024-02-071-241/+259
| | | Also move PYTHON_HEADERS up and make _testembed.o depend on it.
* gh-114883: Fix Makefile dependency tree for non-jit builds (GH-114884)Zachary Ware2024-02-031-1/+12
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* GH-113464: Add a JIT backend for tier 2 (GH-113465)Brandt Bucher2024-01-291-1/+10
| | | | | | | Add an option (--enable-experimental-jit for configure-based builds or --experimental-jit for PCbuild-based ones) to build an *experimental* just-in-time compiler, based on copy-and-patch (https://fredrikbk.com/publications/copy-and-patch.pdf). See Tools/jit/README.md for more information on how to install the required build-time tooling.
* gh-112529: Implement GC for free-threaded builds (#114262)Sam Gross2024-01-251-0/+3
| | | | | | | * gh-112529: Implement GC for free-threaded builds This implements a mark and sweep GC for the free-threaded builds of CPython. The implementation relies on mimalloc to find GC tracked objects (i.e., "containers").
* gh-108303: Move `.whl` test files to `Lib/test/wheeldata/` (#114343)Nikita Sobolev2024-01-231-0/+1
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* gh-112529: Use GC heaps for GC allocations in free-threaded builds (gh-114157)Sam Gross2024-01-201-0/+1
| | | | | | | | | | * gh-112529: Use GC heaps for GC allocations in free-threaded builds The free-threaded build's garbage collector implementation will need to find GC objects by traversing mimalloc heaps. This hooks up the allocation calls with the correct heaps by using a thread-local "current_obj_heap" variable. * Refactor out setting heap based on type
* gh-108303: Move all doctest related files and tests to ↵Nikita Sobolev2024-01-181-0/+1
| | | | | `Lib/test/test_doctest/` (#112109) Co-authored-by: Brett Cannon <brett@python.org>
* GH-113860: Get rid of `_PyUOpExecutorObject` (GH-113954)Brandt Bucher2024-01-121-1/+0
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* gh-111968: Introduce _PyFreeListState and _PyFreeListState_GET API (gh-113584)Donghee Na2024-01-091-0/+3
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* gh-113688: fix dtrace build on Solaris (#113814)Jakub Kulík2024-01-081-2/+2
| | | (the gcmodule -> gc refactoring broke it)
* gh-89532: Remove LibreSSL workarounds (#28728)Rami2024-01-061-1/+1
| | | | | | Remove LibreSSL specific workaround ifdefs from `_ssl.c` and delete the non-version-specific `_ssl_data.h` file (relevant for OpenSSL < 1.1.1, which we no longer support per PEP 644). Co-authored-by: Christian Heimes <christian@python.org> Co-authored-by: Gregory P. Smith <greg@krypto.org>
* gh-113688: Split up gcmodule.c (gh-113715)Sam Gross2024-01-051-0/+1
| | | | | This splits part of Modules/gcmodule.c of into Python/gc.c, which now contains the core garbage collection implementation. The Python module remain in the Modules/gcmodule.c file.
* gh-113370: Add missing obmalloc.o dependencies on mimalloc (#113371)Sam Gross2023-12-211-2/+5
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* GH-111485: Delete the old generator code. (GH-113321)Mark Shannon2023-12-211-7/+1
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* gh-112305: Fix check-clean-src to detect frozen_modules .h files. (#113344)Gregory P. Smith2023-12-211-2/+4
| | | | | | | | | | | A typo left this check broken so many of us who do out-of-tree builds were seeing strange failures due to bad `Python/frozen_modules/*.h` files being picked up from the source tree and used at build time from different Python versions leading to errors like: `Fatal Python error: _PyImport_InitCore: failed to initialize importlib` Or similar once our build got to an "invoke the interpreter" bootstrapping step due to incorrect bytecode being embedded.
* gh-113330: Fix mimalloc headers reference (#113331)Sam Gross2023-12-201-1/+1
| | | | | The `MIMALLOC_HEADERS` variable is defined in the Makefile.pre.in, not the configure script, so we should use the `$(MIMALLOC_HEADERS)` syntax instead of the `@MIMALLOC_HEADERS@` syntax.
* GH-111485: Generate `TARGET` table for computed goto dispatch. (GH-113319)Mark Shannon2023-12-201-1/+2
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* GH-111485: Generate instruction and uop metadata (GH-113287)Mark Shannon2023-12-201-10/+15
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* GH-110109: Move tests for pathlib ABCs to new module. (#112904)Barney Gale2023-12-161-0/+1
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