gh-119182: Use public PyUnicodeWriter API in union_repr() #120797
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The public PyUnicodeWriter API enables overallocation by default and
so is more efficient.
Benchmark:
python -m pyperf timeit \
-s 't = int | float | complex | str | bytes | bytearray' \
' | memoryview | list | dict' \
'str(t)'
Result:
1.29 us +- 0.02 us -> 1.00 us +- 0.02 us: 1.29x faster
mrahtz
pushed a commit
to mrahtz/cpython
that referenced
this pull request
Jun 30, 2024
…on#120797) The public PyUnicodeWriter API enables overallocation by default and so is more efficient. Benchmark: python -m pyperf timeit \ -s 't = int | float | complex | str | bytes | bytearray' \ ' | memoryview | list | dict' \ 'str(t)' Result: 1.29 us +- 0.02 us -> 1.00 us +- 0.02 us: 1.29x faster
noahbkim
pushed a commit
to hudson-trading/cpython
that referenced
this pull request
Jul 11, 2024
…on#120797) The public PyUnicodeWriter API enables overallocation by default and so is more efficient. Benchmark: python -m pyperf timeit \ -s 't = int | float | complex | str | bytes | bytearray' \ ' | memoryview | list | dict' \ 'str(t)' Result: 1.29 us +- 0.02 us -> 1.00 us +- 0.02 us: 1.29x faster
estyxx
pushed a commit
to estyxx/cpython
that referenced
this pull request
Jul 17, 2024
…on#120797) The public PyUnicodeWriter API enables overallocation by default and so is more efficient. Benchmark: python -m pyperf timeit \ -s 't = int | float | complex | str | bytes | bytearray' \ ' | memoryview | list | dict' \ 'str(t)' Result: 1.29 us +- 0.02 us -> 1.00 us +- 0.02 us: 1.29x faster
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The public PyUnicodeWriter API enables overallocation by default and so is more efficient.
Benchmark:
Result: