[all-commits] [llvm/llvm-project] 15edf8: [libc++] Optimize num_put integral functions (#120...

[Nikolas Klauser via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 15edf8725a8044e5cb681a5773e0ada1249690cb
      https://github.com/llvm/llvm-project/commit/15edf8725a8044e5cb681a5773e0ada1249690cb
  Author: Nikolas Klauser <nikolasklauser at berlin.de>
  Date:   2025-03-05 (Wed, 05 Mar 2025)

  Changed paths:
    M libcxx/docs/ReleaseNotes/20.rst
    M libcxx/include/__charconv/tables.h
    M libcxx/include/__charconv/to_chars_base_10.h
    M libcxx/include/__charconv/to_chars_integral.h
    M libcxx/include/__charconv/to_chars_result.h
    M libcxx/include/__charconv/traits.h
    M libcxx/include/__format/formatter_floating_point.h
    M libcxx/include/__format/formatter_integral.h
    M libcxx/include/__format/formatter_output.h
    M libcxx/include/locale
    M libcxx/include/module.modulemap
    A libcxx/test/benchmarks/locale/num_put.bench.cpp
    M libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_pointer.pass.cpp

  Log Message:
  -----------
  [libc++] Optimize num_put integral functions (#120859)

```
-------------------------------------------------------
Benchmark                              old          new
-------------------------------------------------------
BM_num_put<bool>                   76.2 ns      32.0 ns
BM_num_put<long>                   76.9 ns      33.1 ns
BM_num_put<long long>              77.9 ns      34.2 ns
BM_num_put<unsigned long>          78.4 ns      33.1 ns
BM_num_put<unsigned long long>     78.0 ns      34.4 ns
BM_num_put<double>                  224 ns       228 ns
BM_num_put<long double>             239 ns       230 ns
BM_num_put<const void*>            68.7 ns      35.1 ns
```

Fixes #40109.



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