8000 gh-119786: Add InternalDocs/qsbr.md. by nascheme · Pull Request #135411 · python/cpython · GitHub
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gh-119786: Add InternalDocs/qsbr.md. #135411

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Merged
merged 10 commits into from
Jun 23, 2025
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gh-119786: Add InternalDocs/qsbr.md. #135411

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ccea600
Add InternalDocs/qsbr.md.
nascheme Jun 11, 2025
def9494
Update InternalDocs/qsbr.md
nascheme Jun 13, 2025
b192609
Update InternalDocs/qsbr.md
nascheme Jun 13, 2025
19c0efa
Update InternalDocs/qsbr.md
nascheme Jun 20, 2025
c80ac37
Update InternalDocs/qsbr.md
nascheme Jun 20, 2025
25b7140
Fix goal compare condition, format tweaks.
nascheme Jun 20, 2025
b313c1e
Merge 'origin/main' into qsbr-internal-doc
nascheme Jun 20, 2025
f23c1e3
Formatting adjustment based on review.
nascheme Jun 23, 2025
7b08578
More format changes.
nascheme Jun 23, 2025
00439e9
Merge branch 'main' into qsbr-internal-doc
nascheme Jun 23, 2025
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Update InternalDocs/qsbr.md 
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
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@nascheme @kumaraditya303
nascheme and kumaraditya303 authored Jun 13, 2025
commit def94947a65f52e7d0ff448e524d69a0955840a9
2 changes: 1 addition & 1 deletion InternalDocs/qsbr.md
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Expand Up @@ -39,7 +39,7 @@ mechanism to determine when it is safe to free the list's old backing array.

Specific use cases for QSBR include:

* Dictionary keys (PyDictKeysObject) and list arrays (ob_item): When a
* Dictionary keys (PyDictKeysObject) and list arrays (_PyListArray): When a
dictionary or list that may be shared between threads is resized, we use QSBR
to delay freeing the old keys or array until it's safe. For dicts and lists
that are not shared, their storage can be freed immediately upon resize.
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