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GeezerVison is showing github.com — gh-100239: expose `sq_repeat` helpers for `BINARY_OP_EXTEND` by NekoAsakura · Pull Request #148791 · python/cpython

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@NekoAsakura

@NekoAsakura NekoAsakura commented Apr 20, 2026 •
edited by bedevere-app Bot
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main branch %
str * int 32.0 ns 26.4 ns -17.5%
int * str 32.7 ns 26.8 ns -18.0%
bytes * int 27.0 ns 23.1 ns -14.4%
int * bytes 27.2 ns 23.0 ns -15.4%
tuple * int 29.3 ns 24.9 ns -15.0%
int * tuple 29.7 ns 24.8 ns -16.5%
  • Issue: Specialize long tail of binary operations using a table. #100239

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@NekoAsakura
pythongh-100239: expose sq_repeat helpers for BINARY_OP_EXTEND
d8f65a1
@bedevere-app bedevere-app Bot added the awaiting review label Apr 20, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Apr 20, 2026
Specialize long tail of binary operations using a table. #100239
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@eendebakpt eendebakpt added the skip news label Apr 20, 2026
eendebakpt
eendebakpt approved these changes May 7, 2026
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Comment thread Python/specialize.c Outdated
int_str_multiply(PyObject *lhs, PyObject *rhs)
{
return seq_int_multiply(rhs, lhs, PyUnicode_Type.tp_as_sequence->sq_repeat);
Py_ssize_t count = PyLong_AsSsize_t(lhs);

@eendebakpt eendebakpt May 7, 2026

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This section is repeated a couple of times, we could use a macro to define the methods (similar to FLOAT_LONG_ACTION). But current form is also fine with me.

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@NekoAsakura NekoAsakura May 7, 2026

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Good point. 17 insertions(+), 59 deletions(-).

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@bedevere-app bedevere-app Bot added awaiting core review and removed awaiting review labels May 7, 2026
@NekoAsakura
address feedback
9cf450a
@read-the-docs-community

read-the-docs-community Bot commented May 7, 2026

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Documentation build overview

📚 cpython-previews | 🛠️ Build #32583781 | 📁 Comparing 9cf450a against main (13188db)

  🔍 Preview build  

109 files changed · ± 107 modified · - 2 deleted

± Modified

  • glossary.html
  • c-api/buffer.html
  • c-api/code.html
  • c-api/concrete.html
  • c-api/descriptor.html
  • c-api/exceptions.html
  • c-api/extension-modules.html
  • c-api/gen.html
  • c-api/index.html
  • c-api/interp-lifecycle.html
  • and 97 more...

- Deleted

  • c-api/sentinel.html
  • c-api/slots.html
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@NekoAsakura

NekoAsakura commented May 7, 2026

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@markshannon gentle ping :')
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@NekoAsakura
Merge branch 'main' into pythongh-100239/expose-sq-repeat-helpers
87fd3b4
kumaraditya303
kumaraditya303 approved these changes May 8, 2026
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@bedevere-app bedevere-app Bot added awaiting merge and removed awaiting core review labels May 8, 2026
@kumaraditya303
kumaraditya303 enabled auto-merge (squash) May 8, 2026 11:05
@kumaraditya303
kumaraditya303 merged commit d2d24e4 into python:main May 8, 2026
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@bedevere-app bedevere-app Bot removed the awaiting merge label May 8, 2026
@NekoAsakura
NekoAsakura deleted the gh-100239/expose-sq-repeat-helpers branch May 8, 2026 13:29
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@eendebakpt eendebakpt eendebakpt approved these changes
@kumaraditya303 kumaraditya303 kumaraditya303 approved these changes

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3 participants

@NekoAsakura @eendebakpt @kumaraditya303
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