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bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode
From: |
Juri Linkov |
Subject: |
bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode |
Date: |
Tue, 10 Jan 2023 19:50:44 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/30.0.50 (x86_64-pc-linux-gnu) |
>>> Is it common to try to highlight 1000 or even 100 files in one diff?
>> 100 is rare, but tens is pretty common, so this problem affects
>> only this specific case.
>
> So it's a 0,8-3s delay in those cases? That's not ideal.
The delay is noticeable, alas.
>> I noticed that while most library files are small, e.g.
>> libtree-sitter-c.so is 401,528 bytes,
>> libtree-sitter-ruby.so is 2,130,616 bytes
>> that means that it has more complex logic
>> that might explain its performance.
>
> ruby is indeed one of the larger ones. Among the ones I have here compiled,
> it's exceeded only by cpp. 2.29 MB vs 2.12 MB.
The winner is libtree-sitter-julia.so with 7.25 MB.
But regarding libtree-sitter-cpp.so I confirm it's 2.3 MB.
And c++-ts-mode is even faster than c-ts-mode.
On the same admin/alloc-colors.c:
c-mode
(33.378821569 1500 17.632000617)
c-ts-mode
(2.1949608069999997 34 0.4119784769999981)
c++-ts-mode
(2.0979403910000003 34 0.39749122499999956)
So size doesn't matter.
bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode, Yuan Fu, 2023/01/12
- bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode, Dmitry Gutov, 2023/01/12
- bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode, Eli Zaretskii, 2023/01/13
- bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode, Yuan Fu, 2023/01/13
- bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode, Eli Zaretskii, 2023/01/13
- bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode, Yuan Fu, 2023/01/13
- bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode, Eli Zaretskii, 2023/01/14
- bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode, Yuan Fu, 2023/01/14