bug#60953: The :match predicate with large regexp in tree-sitter font-lock seems inefficient

[Dmitry Gutov]

On 01/02/2023 15:39, Eli Zaretskii wrote:
> > Please see the attachment.
> >
> > To note the numbers: the first patch does quite well to improve the
> > performance of modes which use :match in queries which match a lot of
> > nodes (e.g. rust-ts-mode or ruby-ts-mode). There boost in those was on
> > the order of 25%.
> >
> > The second one is longer, and the boost (on top of the first one) is
> > around 5-6%, stable. Not as impressive, but at least it brings :match's
> > performance a little above :pred's in my example.
> Fine by me, if Yuan also approves.

For emacs-29, right?

Waiting for Yuan's confirmation.