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

[Yuan Fu]

> On Feb 1, 2023, at 1:20 PM, Dmitry Gutov <dgutov@yandex.ru> wrote:
> 
> 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.

Yeah please go ahead :-)

Yuan