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From: David Engster <deng@randomsample.de>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org, Anand Tamariya <atamariya@gmail.com>
Subject: Re: Semantic font-lock for Java
Date: Fri, 24 Jan 2020 18:00:02 +0100	[thread overview]
Message-ID: <87tv4kyelp.fsf@randomsample> (raw)
In-Reply-To: <83k15grflg.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 24 Jan 2020 18:20:27 +0200")

>> From: Anand Tamariya <atamariya@gmail.com>
>> Date: Fri, 24 Jan 2020 21:45:55 +0530
>> Cc: emacs-devel@gnu.org
>
>> 
>>  > * Off GCs: 0 Elapsed time: 0.840946 seconds
>>  > * Custom GCs: 0 Elapsed time: 1.172106 seconds
>>  > * Builin GCs: 1 Elapsed time: 0.991606 seconds
>> 
>>  I'm not sure I understand these results.  What does each line
>>  represent?  Did you run the same benchmark with the default font-lock
>>  and with your modifications, and if so, which of these lines shows
>>  results for what variant of font-lock?
>> 
>> Off - Refers to when font-lock is disabled
>> Custom - Refers to when my "extract" function is doing the fontification
>> Builtin - Refers to jit-lock mode as that's the default for font-lock mode
>
> So we are talking about a 17% slow-down?  Not bad.

Yes, but to be fair, this does not include the initial parsing by
Semantic/Wisent/Bovine. This is usually done for the whole buffer when
Emacs is idle, and not during scrolling.

-David



  reply	other threads:[~2020-01-24 17:00 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-21 11:39 Semantic font-lock for Java Anand Tamariya
2020-01-21 15:41 ` Eli Zaretskii
2020-01-21 15:48   ` Eli Zaretskii
2020-01-22  5:13   ` Anand Tamariya
2020-01-22 17:25     ` Eli Zaretskii
2020-01-23  5:36       ` Anand Tamariya
2020-01-24  7:40         ` Eli Zaretskii
2020-01-24 16:15           ` Anand Tamariya
2020-01-24 16:20             ` Eli Zaretskii
2020-01-24 17:00               ` David Engster [this message]
2020-01-24 19:59                 ` Eli Zaretskii
2020-01-24 20:38                   ` David Engster
2020-01-28 15:50                     ` Anand Tamariya
2020-01-28 17:21                       ` David Engster
2020-01-28 17:50                         ` Eli Zaretskii
2020-01-29  5:14                         ` Anand Tamariya
2020-02-03  3:24                           ` Eric Ludlam
2020-01-28 19:43         ` Alan Mackenzie
2020-01-29  5:44           ` Anand Tamariya
2020-01-22  5:52 ` Anand Tamariya

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