Re: [Emacs-diffs] master 55ec674: * lisp/multifile.el: New file, extracted from etags.el

[Dmitry Gutov]

On 28.12.2018 6:45, Dmitry Gutov wrote:
> I gave it a try, to reimplement project-find-regexp based on 
> project-files is a straightforward way, pushed to branch 
> scratch/project-files-pipe-grep.
>
> Unfortunately, I couldn't exactly reach the performance of the find+grep 
> version. Try:
>
> (benchmark 10 '(project-find-regexp "xyz1"))
> => 5.60s
> (benchmark 10 '(project-files-pipe-grep "xyz1"))
> => 6.31s or 6.10s, depending on the version
>
> Any suggestions?

Anybody?

IMO, having this work without performance regression (or as little as 
possible) is a prerequisite to using 'git ls-files' in the vc project 
backend.