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Re: Cygwin: really slow screen update in color menu selection



Andrej Borsenkow wrote:

> Just try it in /usr/bin or /bin: ls TAB. There are interesting things:
> 
> - first, the list is built in "steps"; it outputs part of the screen then
> delay then another part. Delays happen somewhere in the middle of a word (I
> suspected slow stat() at first, but it does not appear to be it).
> 
> - after list is shown, cursor movement is noticeably slow (I was about to say
> "painfully" ...).
> 
> May be, it is related to memory management; I have seen reports that bash also
> behaves slow under Cygwin as compared with Unix.

I would suspect slow terminal output handling (especially if it stops
in the middle of a word). Once the list is created and displayed no
(or almost no) memory allocation and freeing is done.

Bye
 Sven


--
Sven Wischnowsky                         wischnow@xxxxxxxxxxxxxxxxxxxxxxx



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