GNU bug report logs -
#77924
31.0.50; [Feature branch] Change marker implementation
Previous Next
Full log
Message #155 received at 77924 <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
Visuwesh <visuweshm <at> gmail.com> writes:
> [வியாழன் ஏப்ரல் 24, 2025] Gerd Möllmann wrote:
>
>>> Is there a standard benchmark code that I can try for this? I have such
>>> a large HTML file with Tamil text, and I can scroll through the buffer
>>> produced by shr-render-buffer.
>>
>> The elisp-benchmarks package has an elb-scroll.el, in its benchmarks
>> directory. AFAICT, that loads an xmenu.c from the resources
>> sub-directory of the benchmarks.
>>
>> You could copy that, or modify it.
>>
>> P.S.
>>
>> One can set the benchmarks directory to somewhere else, and run
>> benchmarks like this:
>>
>> (setq elb-bench-directory "~/emacs/notes/code/benchmarks")
>> (elisp-benchmarks-run ".*replace-region-contents.*" t 100)
>>
>> The 100 is the number of runs, which should be chosen high enough that
>> the "err" column in the result buffer is reasonably low. I'd start with
>> 1 to see how long that takes, and then increase it.
>
> I ran the benchmark with the text file tamil.txt in place of xmenu.c,
> but I didn't disable elb-smie-mode since I ran into weird issues. In
> both master and text-index cases, I ran the benchmark with
>
> % emacs -Q -l elisp-benchmarks-run --eval '(elisp-benchmarks-run "elb-scroll" t 10)'
>
> and here are the results for the master branch:
>
> * Results
>
> | test | non-gc (s) | gc (s) | gcs | total (s) | err |
> |--------+------------+--------+-----+-----------+-----|
> | scroll | 155.73 | 49.29 | 835 | 205.02 | 0% |
> |--------+------------+--------+-----+-----------+-----|
> | total | 155.73 | 49.29 | 835 | 205.02 | 0% |
>
> and for the scratch/text-index branch:
>
> * Results
>
> | test | non-gc (s) | gc (s) | gcs | total (s) | err |
> |--------+------------+--------+-----+-----------+-----|
> | scroll | 171.89 | 51.56 | 869 | 223.44 | 1% |
> |--------+------------+--------+-----+-----------+-----|
> | total | 171.89 | 51.56 | 869 | 223.44 | 1% |
>
> Unfortunately, my laptop went to power saving mode during the last two
> minutes or so for the scratch/text-index benchmark run so that might
> play into the numbers a tiny bit. I can try repeating the test later
> for the latter case if desired. Empirically speaking, both branches
> seemed to scroll at the same speed.
>
> This is how I configured both Emacses:
>
> % ./configure --with-sound=alsa --with-x-toolkit=motif \
> --without-xaw3d --without-gconf --without-libsystemd \
> --with-cairo CFLAGS=-g3 CC=$(which gcc-13)
>
> If anyone wants to repeat the test, I attach the text file (compressed)
> I use here.
Same on Mac mini M1, idle, tamil.txt but without the elb-smie-mode, 10
runs.
* master Results
| test | non-gc (s) | gc (s) | gcs | total (s) | err (s) |
|--------+------------+--------+------+-----------+---------|
| scroll | 23.48 | 12.00 | 1271 | 35.48 | 0.23 |
|--------+------------+--------+------+-----------+---------|
| total | 23.48 | 12.00 | 1271 | 35.48 | 0.23 |
* text-index Results
| test | non-gc (s) | gc (s) | gcs | total (s) | err (s) |
|--------+------------+--------+------+-----------+---------|
| scroll | 23.03 | 12.06 | 1271 | 35.09 | 0.15 |
|--------+------------+--------+------+-----------+---------|
| total | 23.03 | 12.06 | 1271 | 35.09 | 0.15 |
Config
[config.log (application/octet-stream, attachment)]
This bug report was last modified 104 days ago.
Previous Next
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.