[pull] main from python:main #566
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When a `str` is encoded in `bytearray.__init__` the encoder tends to
create a new unique bytes object. Rather than allocate new memory and
copy the bytes use the already created bytes object as bytearray
backing. The bigger the `str` the bigger the saving.
Mean +- std dev: [main_encoding] 497 us +- 9 us -> [encoding] 14.2 us +- 0.3 us: 34.97x faster
```python
import pyperf
runner = pyperf.Runner()
runner.timeit(
name="encode",
setup="a = 'a' * 1_000_000",
stmt="bytearray(a, encoding='utf8')")
```
…stent module name given to `create_builtin()` (#142054) Co-authored-by: Brett Cannon <brett@python.org> Co-authored-by: Victor Stinner <vstinner@python.org>
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
Co-Authored-By: Paul Ross <apaulross@gmail.com> Co-Authored-By: Carol Willing <carolcode@willingconsulting.com> Co-Authored-By: Hugo van Kemenade <hugovk@users.noreply.github.com> Co-Authored-By: Ezio Melotti <ezio.melotti@gmail.com> Co-Authored-By: Adam Turner <9087854+aa-turner@users.noreply.github.com>
* WIP: ENH: Pixi package definitions for downstream development [skip ci] * linux-64 support * tidy gitignore * respond to review - switch cases on `PYTHON_VARIANT` - remove `minor_version` by using `python3` - remove runtime-only asan options * README updates * use `.md` to preview rendering * Apply suggestions from code review Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com> * Apply suggestion from @FFY00 Co-authored-by: Filipe Laíns <filipe.lains@gmail.com> * Apply suggestion from @FFY00 Co-authored-by: Filipe Laíns <filipe.lains@gmail.com> * Apply suggestion from @FFY00 Co-authored-by: Filipe Laíns <filipe.lains@gmail.com> * Apply suggestion from @lucascolley --------- Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com> Co-authored-by: Filipe Laíns <filipe.lains@gmail.com>
…-142711) Signed-off-by: Manjusaka <me@manjusaka.me> Co-authored-by: Ken Jin <kenjin4096@gmail.com>
…H-142712) Co-authored-by: Ken Jin <kenjin4096@gmail.com>
This combines most _PyStackRef functions and macros between the free threaded and default builds. - Remove Py_TAG_DEFERRED (same as Py_TAG_REFCNT) - Remove PyStackRef_IsDeferred (same as !PyStackRef_RefcountOnObject)
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📚 Documentation preview 📚: https://cpython-previews--566.org.readthedocs.build/