10000 gh-120754: Reduce system calls in full-file readall case by cmaloney · Pull Request #120755 · python/cpython · GitHub
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gh-120754: Reduce system calls in full-file readall case #120755

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Merged
merged 15 commits into from
Jul 4, 2024
Merged

gh-120754: Reduce system calls in full-file readall case #120755

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78c4de0
Reduce system calls in full-file readall case
cmaloney Jun 18, 2024
30d335e
📜🤖 Added by blurb_it.
blurb-it[bot] Jun 19, 2024
9d7f925
Update news to pass lint
cmaloney Jun 19, 2024
dd0b294
Fix warning around type coercion on 64 bit windows; range is explicit…
cmaloney Jun 19, 2024
7ad6fa8
Change constant to named constant per review
cmaloney Jun 27, 2024
fa9ac6a
Move downcast to Py_SAFE_DOWNCAST
cmaloney Jun 27, 2024
93aee47
Update Misc/NEWS.d/next/Core and Builtins/2024-06-19-19-54-35.gh-issu…
hauntsaninja Jun 28, 2024
39e48ee
Update pyio to try and fstat and seek less
cmaloney Jun 29, 2024
b7d3880
Cap read size at _PY_READ_MAX to fix windows x86
cmaloney Jun 29, 2024
a4c2cb6
Cap initial bufsize on pyio
cmaloney Jun 29, 2024
84bd2d8
Pyio was relying on getting the size after truncate for test_largefil…
cmaloney Jun 29, 2024
b505334
Comment formatting
erlend-aasland Jul 2, 2024
7e276ec
size_estimated -> estimated_size
cmaloney Jul 3, 2024
9be6d1d
Py_SAFE_DOWNCAST -> C casts
cmaloney Jul 3, 2024
dc8e910
Apply suggestions from code review
cmaloney Jul 3, 2024
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Fix warning around type coercion on 64 bit windows; range is explicit… 
…ly checked
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@cmaloney
cmaloney committed Jun 19, 2024
commit dd0b2943db06d526977e2aa7b3d023cce550d6a4
2 changes: 1 addition & 1 deletion Modules/_io/fileio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -751,7 +751,7 @@ _io_FileIO_readall_impl(fileio *self)
Py_END_ALLOW_THREADS

if (end >= pos && pos >= 0 && end - pos < PY_SSIZE_T_MAX) {
bufsize = bufsize - pos;
bufsize = bufsize - (size_t)(pos);
}
}
}
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