X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Thu, 12 Aug 2010 11:55:23 +0200 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: CygWin Security & Performance Issues Message-ID: <20100812095523.GW14202@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <4C63340D.1030306@apconsult.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com 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 -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple