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bpo-39829: Optimize __len__() being called twice in the list() constructor #31816
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I want to round size up to even for memory efficiency.
(obmalloc aligns the memory block by 16byte on 64bit platform)
But it can be implemented in the other pull request.
* main: (94 commits) Revert "bpo-46986: Upgrade bundled setuptools to 60.9.3 (pythonGH-31820)" (pythonGH-31879) bpo-30677: [doc] mention that os.mkdir() can raise FileNotFoundError (pythonGH-31548) git ignore Lib/site-packages (pythonGH-31862) bpo-31415: importtime was made by Inada Naoki (pythonGH-31875) bpo-46920: Remove code that has explainers why it was disabled (pythonGH-31813) bpo-46920: Remove disabled debug code added decades ago and likely unnecessary (pythonGH-31812) bpo-46920: Remove code that has no explainer why it was disabled (pythonGH-31814) bpo-46906: Mention native endian in PyFloat_Pack8() doc (pythonGH-31866) bpo-40280: select: Use NULL for empty fdset (pythonGH-31865) CI: Fix patchcheck (pythonGH-31708) bpo-46987: Remove _PySys_GetObjectId / _PySys_GetObjectId (pythonGH-31835) bpo-46994: Accept explicit contextvars.Context in asyncio create_task() API (pythonGH-31837) bpo-39829: Fix `__len__()` is called twice in list() constructor (pythonGH-31816) bpo-47003: Cleanup _overlapped module (pythonGH-31848) bpo-47004: Sync with importlib_metadata 4.11.3. (python#31854) bpo-46986: Upgrade bundled setuptools to 60.9.3 (pythonGH-31820) bpo-46985: Upgrade bundled pip to 22.0.4 (pythonGH-31819) bpo-46805: Add low level UDP socket functions to asyncio (pythonGH-31455) bpo-46995: Deprecate missing asyncio.Task.set_name() for third-party task implementations (pythonGH-31838) bpo-43215: Document Happy Eyeballs args of asyncio.open_connection (pythonGH-24525) ...
Since this PR fixed regression (#87740), should we backport this PR to 3.10? |
Thanks @thatbirdguythatuknownot for the PR, and @methane for merging it 🌮🎉.. I'm working now to backport this PR to: 3.10. |
GH-92912 is a backport of this pull request to the 3.10 branch. |
…honGH-31816) (cherry picked from commit 2153daf) Co-authored-by: Crowthebird <[email protected]>
…31816) (cherry picked from commit 2153daf) This patch fixes gh-87740 too. Co-authored-by: Crowthebird <[email protected]>
https://bugs.python.org/issue39829