8000 gh-129149: Add fast path for medium-size integers in `PyLong_FromSsize_t()` by chris-eibl · Pull Request #129301 · python/cpython · GitHub
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gh-129149: Add fast path for medium-size integers in PyLong_FromSsize_t() #129301

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Merged
merged 13 commits into from
Mar 13, 2025
Merged

gh-129149: Add fast path for medium-size integers in PyLong_FromSsize_t() #129301

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37bddee
gh-129149: add macro PYLONG_FROM_INT
chris-eibl Jan 25, 2025
b4ee2af
Add UINT_TYPE to the macro PYLONG_FROM_INT.
chris-eibl Jan 25, 2025
cf9244c
blurb it
chris-eibl Jan 25, 2025
ed04f4a
Address Sergey's review
chris-eibl Jan 26, 2025
c59bef0
Address Sergey's review
chris-eibl Jan 26, 2025
98b3668
Address Sergey's review
chris-eibl Jan 26, 2025
ff57cf7
More stylistic syncs with PYLONG_FROM_UINT
chris-eibl Jan 26, 2025
3a5152f
Merge branch 'main' into gh-129149
skirpichev Jan 26, 2025
8331f8b
Merge branch 'main' into gh-129149
chris-eibl Jan 29, 2025
f0691c5
address PEP-7 by vertically aligning \
chris-eibl Mar 1, 2025
261dcc5
test more medium-size integers in all test_long_as*
chris-eibl Mar 1, 2025
fda2844
Merge branch 'main' into gh-129149
chris-eibl Mar 1, 2025
89ee42b
Merge branch 'main' into gh-129149
chris-eibl Mar 12, 2025
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Address Sergey's review 
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
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@chris-eibl @skirpichev
chris-eibl and skirpichev authored Jan 26, 2025
commit c59bef098566fcb9140746aebd9f572ea270a7f4
2 changes: 1 addition & 1 deletion Objects/longobject.c
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Expand Up @@ -351,7 +351,7 @@ _PyLong_Negate(PyLongObject **x_p)
t >>= PyLong_SHIFT; \
} \
/* Construct output value. */ \
v = long_alloc(ndigits); \
PyLongObject *v = long_alloc(ndigits); \
if (v != NULL) { \
digit *p = v->long_value.ob_digit; \
_PyLong_SetSignAndDigitCount(v, ival < 0 ? -1 : 1, ndigits); \
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