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Optimize ripper translator token sorting#3870

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eregon merged 1 commit into
ruby:mainfrom
Earlopain:ripper-translator-optimize-sort
Jan 25, 2026
Merged

Optimize ripper translator token sorting#3870
eregon merged 1 commit into
ruby:mainfrom
Earlopain:ripper-translator-optimize-sort

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With the benchmark from 2ea8139 Prism is:

  • 1.33x slower before
  • 1.07x slower after

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Smart, sorting by byte offset is even faster and converting line to byte offset is just an Array#[] :)

Comment thread lib/prism/lex_compat.rb Outdated
With the benchmark from ruby@2ea8139
Prism is:
* 1.33x slower before
* 1.07x slower after
@Earlopain
Earlopain force-pushed the ripper-translator-optimize-sort branch from ddec3a7 to a18b0ac Compare January 25, 2026 20:33
@eregon
eregon merged commit 0e1c05c into ruby:main Jan 25, 2026
66 checks passed
@Earlopain
Earlopain deleted the ripper-translator-optimize-sort branch February 20, 2026 12:42
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2 participants