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gh-140149: use PyBytesWriter in action_helpers.c's _build_concatenated_bytes; 3x faster bytes concat in the parser #140150

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Merged
vstinner merged 6 commits into from
Oct 16, 2025
Merged

gh-140149: use PyBytesWriter in action_helpers.c's _build_concatenated_bytes; 3x faster bytes concat in the parser #140150

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692a4f0
use PyBytesWriter in _build_concatenated_bytes
maurycy Oct 15, 2025
904fe91
no var read twice
maurycy Oct 15, 2025
bde6eaf
NEWS
maurycy Oct 15, 2025
e5b07d6
Update Parser/action_helpers.c
maurycy Oct 15, 2025
9955759
Update Parser/action_helpers.c
maurycy Oct 15, 2025
3d375ce
Update Misc/NEWS.d/next/Core_and_Builtins/2025-10-15-17-12-32.gh-issu…
vstinner Oct 15, 2025
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NEWS
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@maurycy
maurycy committed Oct 15, 2025
commit bde6eaf1b0fde144a02f7403ca7e5ba23771cabf
2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Core_and_Builtins/2025-10-15-17-12-32.gh-issue-140149.cy1m3d.rst
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Speed up parsing bytes literals concatenation by using PyBytesWriter API and
a single memory allocation (about 3x faster)
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