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From: | Dmitry Antipov |
Subject: | bug#16830: Re: bug#16830: [Bug] 24.3.50; massive slow down in forward-line |
Date: | Mon, 17 Mar 2014 19:05:27 +0400 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
On 03/10/2014 10:58 PM, Eli Zaretskii wrote:
It would be nice to be able to turn the cache on and off dynamically, depending on the actual line length of the buffer. I tried to implement this, but my naive implementation didn't work well, because sampling of the lines tends to be extremely un-representative. If someone can come up with a smarter implementation, please show it.
What if we just maintain the '\n' counter per each buffer text? With that, finding an average line length is straightforward, and the very basic implementation looks fairly simple; this should be helpful in maintaining newline_cache as well. Dmitry
nl.patch
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