X-Recipient: archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status: No, hits=-0.3 required=5.0	tests=AWL,BAYES_50,KHOP_THREADED,RCVD_IN_DNSWL_NONE,RCVD_IN_HOSTKARMA_YE,RCVD_IN_SORBS_WEB,SPF_HELO_PASS
X-Spam-Check-By: sourceware.org
From: "James Johnston" <JamesJ AT motionview3d DOT com>
To: "'Gregory M. Turner'" <gmt AT malth DOT us>, <cygwin AT cygwin DOT com>
Cc: "'Aharon Robbins'" <arnold AT skeeve DOT com>
References: <201208260803 DOT q7Q83kme006060 AT freefriends DOT org> <503A8AA2 DOT 9090102 AT drmikehenry DOT com> <201208280628 DOT q7S6SThf013003 AT skeeve DOT com> <503C6E75 DOT 1020101 AT malth DOT us>
In-Reply-To: <503C6E75.1020101@malth.us>
Subject: RE: stuff running slowly
Date: Tue, 28 Aug 2012 13:36:49 -0000
Message-ID: <031001cd8522$3052fde0$90f8f9a0$@motionview3d.com>
MIME-Version: 1.0
Content-Type: text/plain;	charset="us-ascii"
Content-Transfer-Encoding: 7bit
X-IsSubscribed: yes
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

> -----Original Message-----
> Sent: Tuesday, August 28, 2012 07:09
> Cc: Aharon Robbins
> Subject: Re: stuff running slowly
> 
> On 8/27/2012 11:28 PM, Aharon Robbins wrote:
> > Michael,
> >
> > Thanks for your note. I understand that process creation on Windows is
> > slower than on Linux. But what I'm seeing is off by a few orders of
> > magnitude.  Cygwin on Windows 7 on a Sandy Bridge Core i5 with 4 Gig
> > of memory is PAINFULLY slower than even my 7 year old Power PC
> Macbook
> > G4 running Mac OS X 10.5 with only .75 G of RAM.  Something is
> > definitely wrong.
> >
> > The total
> >
> > 	./bootstrap.sh && configure && make && make check
> >
> > process takes close to 45 minutes!  On Linux, it takes under one minute.
> > On my Mac, under 5 minutes.
> >
> > Short of "remove and reinstall", is there anything I should look for?
> 
> That's only one order of magnitude :P  But I'm guessing that's small
> consolation.
> 
> There is one thing you can look for, and that's anything cluttering up
your
> process creation, uh, process, so to speak.
> 
> BLODA apps (see http://cygwin.com/faq/faq.using.html#faq.using.bloda)
> are the likeliest culprits and also they will give you more grief later.
> 

I'd also look into this.  I've personally seen a case where process creation
took about 0.5 seconds (!!); uninstalling the anti-virus fixed the problem.
Note that this slow process-creation was not Cygwin-specific; it was
actually affecting every process on the machine.


--
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