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From: Eli Zaretskii <eliz@gnu.org>
To: Sebastian Sturm <s.sturm@arkona-technologies.de>
Cc: emacs-devel@gnu.org
Subject: Re: State of the overlay tree branch?
Date: Mon, 19 Mar 2018 08:36:20 +0200	[thread overview]
Message-ID: <83woy8o9ln.fsf@gnu.org> (raw)
In-Reply-To: <9646341d-700b-4240-216b-8c0e753fa79f@arkona-technologies.de> (message from Sebastian Sturm on Mon, 19 Mar 2018 00:03:11 +0100)

> From: Sebastian Sturm <s.sturm@arkona-technologies.de>
> Date: Mon, 19 Mar 2018 00:03:11 +0100
> 
> Again, however, line-number-at-pos shows up as a large CPU time consumer 
> in the profiler report, and benchmark-run still reports several ms per 
> invocation (though this time it's usually around 2 to 4 ms instead of 
> the 20 to 25 I measured earlier), so I'd still be very much interested 
> in a faster line-number-at-pos implementation.

2 to 4 ms for 6 calls is as fast as you can get for a 70K file.  But
you should be able to issue just one call, and replace the other 5
with relative counting using count-lines or forward-line, which should
then count only a small number of lines from the original location.
Right?



  parent reply	other threads:[~2018-03-19  6:36 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
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 [this message]
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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