From: Eli Zaretskii <eliz@gnu.org>
To: "Mattias Engdegård" <mattiase@acm.org>
Cc: 49127@debbugs.gnu.org, victor.nawothnig@icloud.com
Subject: bug#49127: Performance degradation in encode_coding_object
Date: Mon, 16 Aug 2021 21:50:03 +0300 [thread overview]
Message-ID: <83lf516x7o.fsf@gnu.org> (raw)
In-Reply-To: <4001E59F-63FF-4EF6-87B5-8A627871C4B8@acm.org> (message from Mattias Engdegård on Mon, 16 Aug 2021 20:06:32 +0200)
> From: Mattias Engdegård <mattiase@acm.org>
> Date: Mon, 16 Aug 2021 20:06:32 +0200
> Cc: victor.nawothnig@icloud.com, 49127@debbugs.gnu.org
>
> > Yes. Why do you think this loop is broken?
>
> Because unless I misunderstood the code entirely, the current buffer has nothing to do with the operation at hand.
It does, if both src_object and dst_object are the same (current)
buffer.
> It's easy to reproduce the original problem: run Emacs in a terminal and make a buffer with many markers. See how the text displays slower with more markers. I've attached a short example; try (make-test-buffer 1000).
How can we be sure this reproduces the original issue? The original
issue was reported from a real-life use case, not from a toy program.
> The attached patch fixes this problem.
Thanks, but this is not the whole story with that problem in
encode_coding_object.
next prev parent reply other threads:[~2021-08-16 18:50 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <EC5DED64-8465-45A3-B20C-8D21F70E0A34@acm.org>
2021-08-16 17:43 ` bug#49127: Performance degradation in encode_coding_object Eli Zaretskii
2021-08-16 18:06 ` Mattias Engdegård
2021-08-16 18:50 ` Eli Zaretskii [this message]
2021-08-16 20:04 ` Mattias Engdegård
2021-08-17 12:34 ` Eli Zaretskii
2021-08-17 13:06 ` Mattias Engdegård
2021-08-17 14:05 ` Eli Zaretskii
2021-08-17 16:07 ` Mattias Engdegård
2021-08-17 17:16 ` Eli Zaretskii
2021-08-18 11:04 ` Mattias Engdegård
2021-08-18 11:43 ` Eli Zaretskii
2021-08-18 12:21 ` Mattias Engdegård
2021-08-18 13:23 ` Eli Zaretskii
2021-08-18 13:32 ` Mattias Engdegård
2021-08-18 13:39 ` Eli Zaretskii
2021-08-18 13:54 ` Mattias Engdegård
2021-08-18 13:59 ` Eli Zaretskii
2021-08-18 15:24 ` Mattias Engdegård
2021-08-18 14:34 ` Lars Ingebrigtsen
2021-08-20 23:24 ` Michael Welsh Duggan
2021-08-21 6:34 ` Eli Zaretskii
2021-06-20 6:30 Victor Nawothnig via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-06-20 9:04 ` Eli Zaretskii
2021-06-24 16:49 ` Eli Zaretskii
2021-07-25 7:10 ` Eli Zaretskii
2021-08-15 15:07 ` Eli Zaretskii
2021-08-17 12:35 ` Eli Zaretskii
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