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Date: Mon, 19 May 2008 10:11:24 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: fork performance
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On May 19 06:47, Reinhard Nissl wrote:
> Hi,
>
> running the following command sequence in bash yields little numbers 
> compared to a real unix system:
>
> 	while true ; do date ; done | uniq -c
>
>       15 Thu May 15 10:40:22     2008
>       16 Thu May 15 10:40:23     2008
>       17 Thu May 15 10:40:24     2008
>       17 Thu May 15 10:40:25     2008
>       17 Thu May 15 10:40:26     2008
>       16 Thu May 15 10:40:27     2008
>       17 Thu May 15 10:40:28     2008
>       16 Thu May 15 10:40:29     2008
>
> Is there a chance to speedup performance?

Cygwin's fork() implementation is *not* deliberately slow.  Take a look
into the sources, file fork.cc, and see what it has to do.  Having said
that, of course http://cygwin.com/acronyms/#PTC


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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