[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Lexical binding doesn't seem to be faster?
From: |
Hi-Angel |
Subject: |
Re: Lexical binding doesn't seem to be faster? |
Date: |
Sun, 10 Mar 2019 22:53:15 +0300 |
On Sun, 10 Mar 2019 at 21:59, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
>
> > If you say "several seconds enough", then it's already there, the
> > benchmark with GC enabled takes 9 seconds.
>
> Hmm... then there's a problem with the sampling. Is this in a batch
> Emacs session? What OS? I think this might deserve its own bug report.
It's `emacs -Q` ran one time. Archlinux here, but Emacs is not from a
repository, but a ≈month old version from git.
Something similar can be reproduced in 2 steps:
1. wget
https://gitlab.freedesktop.org/libinput/libinput/raw/9a2d6f55b1276da11dd9b2c4c8e22a405576dfea/src/libinput.h
2. emacs -Q --eval "(progn (find-file \"./libinput.h\")
(profiler-start 'cpu) (benchmark-run-compiled 10
(c-font-lock-fontify-region 0 (point-max))) (profiler-report))"
Since by default cc-mode.el doesn't use lexical-binding, you should
get this result:
- ... 1 100%
Automatic GC 1 100%
Do you want me to open a report for above?
- Re: Lexical binding doesn't seem to be faster?, (continued)
- Re: Lexical binding doesn't seem to be faster?, Hi-Angel, 2019/03/08
- Re: Lexical binding doesn't seem to be faster?, Stefan Monnier, 2019/03/09
- Re: Lexical binding doesn't seem to be faster?, Hi-Angel, 2019/03/10
- Re: Lexical binding doesn't seem to be faster?, Hi-Angel, 2019/03/10
- Re: Lexical binding doesn't seem to be faster?, Stefan Monnier, 2019/03/10
- Re: Lexical binding doesn't seem to be faster?, Hi-Angel, 2019/03/10
- Re: Lexical binding doesn't seem to be faster?, Stefan Monnier, 2019/03/10
- Re: Lexical binding doesn't seem to be faster?,
Hi-Angel <=
- Re: Lexical binding doesn't seem to be faster?, Stefan Monnier, 2019/03/10
- Re: Lexical binding doesn't seem to be faster?, Hi-Angel, 2019/03/10
- Re: Lexical binding doesn't seem to be faster?, Hi-Angel, 2019/03/11
- Re: Lexical binding doesn't seem to be faster?, Stefan Monnier, 2019/03/11