Re: Cygwin build (was: Using GDB in NTEMACS)

["Ehud Karni" <ehud@unix.simonwiesel.co.il>]

On Sat, 23 Feb 2002 10:28:51 +0200, Eli Zaretskii <eliz@is.elta.co.il> wrote:
> 
>  * There's also this talk among users of the Cygwin port of XEmacs
>    about it being very slow, especially in Dired.  I don't understand
>    why would the Cygwin build be slow to the point that it annoys
>    users, but perhaps we should try to do something about it.  For
>    example, if the reason is that the pipe implementation is slow,
>    maybe we should use the ls-lisp.el package in the Cygwin port
>    instead of the external `ls' program.

I use the Cygwin `ls' with NTEmacs. It is SLOWER because beside looking
in the directory it also READS each file to check for its magic number,
to decide if the file is executable or symbolic link.

I don't think piping is the problem. The spawning is slow (I estimate
it to be 1/3 to 1/2 a second) but it is a constant overhead. The piping
itself is fast (I use it in Cygwin's Bash scripts all the time).

Ehud.


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