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bug#15555: Re: bug#15555: 24.3; Bidirectional display very slow with lon


From: Eli Zaretskii
Subject: bug#15555: Re: bug#15555: 24.3; Bidirectional display very slow with long lines
Date: Tue, 18 Feb 2014 19:58:17 +0200

> Date: Tue, 18 Feb 2014 18:31:22 +0400
> From: Dmitry Antipov <dmantipov@yandex.ru>
> Cc: 15555@debbugs.gnu.org
> 
> Now I'm seeing the use case where each trivial cursor movement causes
> ~100 calls to bidi_shelve_cache, and each call copies ~1.5M of data.

Is this still the same use case with your bug15555 function and the
4000.txt file?  If not, please describe this use case.

As for calls to bidi_shelve_cache, they are a side effect of saving
and restoring the iterator object, see the commentary before the
definition of the SAVE_IT macro.





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