Re: cc-mode fontification feels random

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: João Távora <joaotavora@gmail.com>,  Eli
>  Zaretskii <eliz@gnu.org>,
>   emacs-devel@gnu.org
> Date: Fri, 04 Jun 2021 20:29:02 -0400
> 
> > Besides, memory copies are really, really, ridiculously fast. My system can
> >  cat from /dev/zero to /dev/null at ~18GB/sec. Copying a buffer's contents
> > so we can give it to tree-sitter should be no issue at all.
> 
> Yes, beside the potential difficulty of giving direct access to the
> buffer's content, there's the fact that the time needed to make a copy
> will be dwarfed by the time needed by tree-sitter to parse it, turn it
> into a tree, and for us to process the returned parse tree

Are you sure?  Tree-sitter advertises itself as being very fast in
that department.  Do we have any benchmark somewhere showing its
parsing speed?