Re: Display slowness that is painful

[Chong Yidong]

Andreas Schwab <address@hidden> writes:

> Richard Stallman <address@hidden> writes:
>
>> I can make the test case available if necessary.
>> It is a 1.3 meg GIF file.
>
> When I visit a 13MB binary file (eg. the Emacs binary) I can hardly notice
> a slowdown here.  Only scrolling backwards when inside a very long line is
> rather slow, but that's probably due to requiring to rerender the whole
> line each time to be able to find the correct window start.  There is no
> such problem when scrolling forward.

I've put Richard's "gif" file (it's actually a bmp file) on

http://web.mit.edu/cyd/www/bug.bmp

There is indeed a slowdown when visiting this file.