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Re: Cygwin: really slow screen update in color menu selection
- X-seq: zsh-workers 12519
- From: Sven Wischnowsky <wischnow@xxxxxxxxxxxxxxxxxxxxxxx>
- To: zsh-workers@xxxxxxxxxxxxxx
- Subject: Re: Cygwin: really slow screen update in color menu selection
- Date: Fri, 4 Aug 2000 09:09:24 +0200 (MET DST)
- In-reply-to: "Andrej Borsenkow"'s message of Thu, 3 Aug 2000 20:28:55 +0400
- Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm
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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