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bug#69385: 30.0.50; Long lines with bidi text slow down Emacs
From: |
Stephen Berman |
Subject: |
bug#69385: 30.0.50; Long lines with bidi text slow down Emacs |
Date: |
Mon, 26 Feb 2024 16:17:53 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
On Mon, 26 Feb 2024 16:22:59 +0200 Eli Zaretskii <eliz@gnu.org> wrote:
>> Cc: 69385@debbugs.gnu.org
>> Date: Mon, 26 Feb 2024 16:19:15 +0200
>> From: Eli Zaretskii <eliz@gnu.org>
>>
>> > From: Stephen Berman <stephen.berman@gmx.net>
>> > Cc: 69385@debbugs.gnu.org
>> > Date: Mon, 26 Feb 2024 15:13:38 +0100
>> >
>> > On Mon, 26 Feb 2024 14:33:18 +0200 Eli Zaretskii <eliz@gnu.org> wrote:
>> >
>> > > The CPU is fast. My HarfBuzz version is much older, but I doubt that
>> > > HarfBuzz became so much slower for Arabic. So it's very strange. But
>> > > maybe it's worth to try downgrading to an earlier version, just to be
>> > > sure this is not the culprit?
>> >
>> > That's not so straightforward on this system, where I build system
>> > packages from source, so downgrading HarfBuzz may require also
>> > rebuilding packages that depend on it. I have a somewhat older system
>> > on this machine with HarfBuzz 7.1.0, so I can easily try that. What
>> > version of HarfBuzz are you using?
>>
>> I have 2.4.0 here.
>
> Btw, another possibility could be that this is specific to the Cairo
> build. So maybe try a build without Cairo.
I did, and the slowdown seems just as bad as in the build with Cairo.
Steve Berman
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Stephen Berman, 2024/02/25
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Eli Zaretskii, 2024/02/25
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Stephen Berman, 2024/02/25
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Eli Zaretskii, 2024/02/25
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Stephen Berman, 2024/02/25
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Eli Zaretskii, 2024/02/26
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Stephen Berman, 2024/02/26
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Eli Zaretskii, 2024/02/26
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Eli Zaretskii, 2024/02/26
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs,
Stephen Berman <=
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Eli Zaretskii, 2024/02/26
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Stephen Berman, 2024/02/26
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Eli Zaretskii, 2024/02/26
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Stephen Berman, 2024/02/26
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Eli Zaretskii, 2024/02/26
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Stephen Berman, 2024/02/26
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Eli Zaretskii, 2024/02/27
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Stephen Berman, 2024/02/27
- bug#69385: 30.0.50; Long lines with bidi text slow down Emacs, Stephen Berman, 2024/02/26