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@nicoburns nicoburns commented Sep 18, 2025

An experiment in making Fontique compile fast. Brings clean build time down to around 4 seconds.

Depends on:

Futher possible improvements:

  • Remove icu_locale_core dep
  • Convince read-fonts to add an option to use unsafe bytemuck impls rather than bytemuck_derive
  • Potentially making the CharmapIndex optional

(failing CI because HarfRust version of read-fonts doesn't match version used by Parley/Fontique in this PR)

Full build timings

Screenshot 2025-09-19 at 00 16 57

Signed-off-by: Nico Burns <[email protected]>
@nicoburns nicoburns changed the title Fast compiling fontique Experiment: fast compiling fontique Sep 25, 2025
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