From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: State of the overlay tree branch?
Date: Fri, 23 Mar 2018 10:39:04 -0400 [thread overview]
Message-ID: <jwvvadmrhve.fsf-monnier+gmane.emacs.devel@gnu.org> (raw)
In-Reply-To: 837eq2j2i5.fsf@gnu.org
>> > I'd be interested to see a comparison with a code that ignores the
>> > markers entirely, and uses just these 4:
>> > CONSIDER (BUF_PT (b), BUF_PT_BYTE (b));
>> > CONSIDER (BUF_GPT (b), BUF_GPT_BYTE (b));
>> > CONSIDER (BUF_BEGV (b), BUF_BEGV_BYTE (b));
>> > CONSIDER (BUF_ZV (b), BUF_ZV_BYTE (b));
>> I tried that, and in the synthetic benchmark which tries to reproduce
>> Sebastian's lsp-mode situation the result was indeed much better, but
>> then in other benchmarks it caused very significant slowdowns.
> In what benchmarks did it cause significant slowdowns?
Can't remember exactly, I think it was bad enough for a test case
which seemed pretty realistic so I discarded that option.
Basically what I remember is that I got the impression that it would
probably harm more users than the problem at hand.
Stefan
PS: BTW, the number of markers is not the only issue: the order in which
they are created also matters. Maybe we should try Sebastian's test
case but creating the markers/overlays in random order (and if that
helps, we could get a similar effect by making the GC randomly shuffle
the buffers's list of markers ;-).
next prev parent reply other threads:[~2018-03-23 14:39 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-18 20:14 State of the overlay tree branch? Sebastian Sturm
2018-03-18 20:39 ` Eli Zaretskii
2018-03-18 21:04 ` Sebastian Sturm
2018-03-18 23:03 ` Sebastian Sturm
2018-03-18 23:20 ` Sebastian Sturm
2018-03-19 6:43 ` Eli Zaretskii
2018-03-19 9:53 ` Sebastian Sturm
2018-03-19 12:57 ` Eli Zaretskii
2018-03-19 14:56 ` Stefan Monnier
2018-03-19 15:07 ` Sebastian Sturm
2018-03-19 15:13 ` Stefan Monnier
2018-03-20 1:23 ` Sebastian Sturm
2018-03-20 6:30 ` Eli Zaretskii
2018-03-21 0:36 ` Sebastian Sturm
2018-03-21 6:47 ` Eli Zaretskii
2018-03-22 13:16 ` Stefan Monnier
2018-03-22 19:54 ` Sebastian Sturm
2018-03-22 20:04 ` Sebastian Sturm
2018-03-22 20:52 ` Stefan Monnier
2018-03-22 23:11 ` Sebastian Sturm
2018-03-23 5:03 ` Stefan Monnier
2018-03-23 12:25 ` Sebastian Sturm
2018-03-23 12:47 ` Eli Zaretskii
2018-03-23 13:19 ` Stefan Monnier
2018-03-23 13:37 ` Noam Postavsky
2018-03-23 13:55 ` Stefan Monnier
2018-03-23 14:22 ` Eli Zaretskii
2018-03-23 14:39 ` Stefan Monnier [this message]
2018-03-23 19:39 ` Stefan Monnier
2018-03-25 15:11 ` Stefan Monnier
2018-03-25 16:39 ` Eli Zaretskii
2018-03-25 17:35 ` Stefan Monnier
2018-03-23 8:07 ` Eli Zaretskii
2018-03-23 9:08 ` Eli Zaretskii
2018-03-23 10:15 ` Sebastian Sturm
2018-03-23 12:39 ` Eli Zaretskii
2018-03-23 12:12 ` Stefan Monnier
2018-03-23 12:40 ` Eli Zaretskii
2018-03-23 12:55 ` Stefan Monnier
2018-03-19 6:36 ` Eli Zaretskii
2018-03-19 6:28 ` Eli Zaretskii
2018-03-21 14:14 ` Sebastien Chapuis
2018-03-21 15:35 ` Eli Zaretskii
2018-03-26 13:06 ` Stefan Monnier
2018-03-27 20:59 ` Sebastian Sturm
[not found] <<c24f8534-5245-026e-da18-f6be7b9702bf@arkona-technologies.de>
[not found] ` <<834lldp18f.fsf@gnu.org>
2018-03-18 21:37 ` Drew Adams
2018-03-19 1:33 ` Stefan Monnier
2018-03-19 6:50 ` Eli Zaretskii
2018-03-19 12:29 ` Stefan Monnier
2018-03-19 13:02 ` Eli Zaretskii
2018-03-19 13:43 ` Stefan Monnier
2018-03-19 14:28 ` Eli Zaretskii
2018-03-19 14:39 ` Stefan Monnier
2018-03-19 6:33 ` Eli Zaretskii
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