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Re: fork performance
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Mon, 19 May 2008 10:11:24 +0200
- Subject: Re: fork performance
- References: <48310648.90406@gmx.de>
- Reply-to: cygwin at cygwin dot com
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
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