X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-0.5 required=5.0 tests=AWL,BAYES_40,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Message-ID: <4C7BBC25.8000507@sidefx.com> Date: Mon, 30 Aug 2010 10:11:49 -0400 From: Edward Lam User-Agent: Mozilla/5.0 (Windows NT 5.2; WOW64; rv:2.0b5pre) Gecko/20100820 Shredder/3.2a1pre MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: Cygwin slow on x64 systems References: <4C7B9327 DOT 9030204 AT graphtech DOT co DOT il> In-Reply-To: <4C7B9327.9030204@graphtech.co.il> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On 8/30/2010 7:16 AM, Sagi Ben-Akiva wrote: > For the last couple of weeks I'm trying to identify the cause for > cygwin slowdown on x64 machines which was reported by David Morgan > about 6 months ago. You're my new hero. :) > I then applied the changes one by one and built cygwin1.dll for each > change, then I ran my test script again for each cygwin1.dll version > and I found that the change to winsup/cygwin/dcrt0.cc from > '2006/03/12 23:57:03' introduce this issue. For anyone interested in this, it's revision 1.288 of dcrt0.cc Web CVS link: http://cygwin.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/dcrt0.cc?cvsroot=src -Edward -- 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