I'm guessing the comment was downvoted because the suggestions are mentioned in the first paragraph of the article...
> After trying a few stopgap solutions—like purchasing M1 Maxs for our team—build times gradually reverted to their original pace; Ccache and remote caching weren’t enough either.
> After trying a few stopgap solutions—like purchasing M1 Maxs for our team—build times gradually reverted to their original pace; Ccache and remote caching weren’t enough either.