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Date: Thu, 12 Aug 2010 11:55:23 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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Subject: Re: CygWin Security & Performance Issues
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On Aug 12 11:24, Csaba Raduly wrote:
> On Thu, Aug 12, 2010 at 1:36 AM, David Law wrote:
> (snip)
> >
> > Firstly, I was wondering if SUA maybe has a reputation for
> > bad performance, or could it maybe be the architecture of
> > desktop contra server pc's?
> > Would you expect better performance from cygwin?
> >
> 
> I was involved in porting a project with a Unix background (Solaris,
> then Cygwin and Linux, and even FreeBSD) to SUA. I was expecting SUA
> to be slightly faster than Cygwin since it has its own subsystem
> rather than being implemented on top of Win32. However compilation
> times (for a bit over 200k lines of C++) were almost identical.
> Unfortunately, our project uses poll(), which on SUA does not work
> (except for /proc).

Huh, I would never have expected that, especially given the fact
that Cygwin has to go to great lengths on fork(), while SUA has
a "native" fork implementation.

> Note that SUA has a rather BSD-ish flavor (for instance, bash is not
> even present in the default install); whereas Cygwin is very much like
> the GNU system.

Really?  As far as I understood from the docs, SUA is rather styled
after SVR4.


Corinna

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

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