X-Recipient: archive-cygwin AT delorie DOT com X-Spam-Check-By: sourceware.org To: cygwin AT cygwin DOT com From: Szymon Lapinski Subject: Re: cygwin-1.5.24-2 serious shell execution performance degradation on WinXP x64 SP2 Date: Thu, 06 Sep 2007 20:55:24 +0200 Lines: 18 Message-ID: References: <46DBE9ED DOT 2050803 AT syncad DOT com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit User-Agent: Mozilla-Thunderbird 2.0.0.4 (X11/20070828) In-Reply-To: <46DBE9ED.2050803@syncad.com> X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: 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 Szymon Lapinski wrote: > I'm not sure if this was caused by SP2 or by some of following Windows > updates but it used to work well before SP2, and still works well on > Windows 2000. (...) > time gawk 'BEGIN{for(i=1;i<1000;i++){system("true")}}' > time for i in `seq 1 1000`; do bash -c true; done I've decided to uninstall Service Pack 2 on one of my WinXP x64 machines Scripts runs approximately 3 times faster. It's still far from ideal (comparing to 32bit Windows 2000 performance) but it's a BIG difference. -- Regards, Szymon Lapinski -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/