X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=0.8 required=5.0 tests=BAYES_40,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,SARE_MSGID_LONG45,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: sourceware.org MIME-Version: 1.0 In-Reply-To: <28354068.post@talk.nabble.com> References: <20100123171936 DOT GE23796 AT err> <1847a1f034b137ba0d95d8a866bfc070 AT mail DOT smartmobili DOT com> <28354068 DOT post AT talk DOT nabble DOT com> Date: Thu, 29 Apr 2010 16:13:01 -0700 Message-ID: Subject: Re: Cygwin slow on x64 systems From: greenup greenup To: cygwin AT cygwin DOT com Content-Type: text/plain; charset=ISO-8859-1 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 This is an old problem, the last I heard on it was something along the lines of: "Cygwin's functionality/compatibility/robustness improved in necessary ways, but performance was required to suffer" From a hearsay perspective, it appears to be related to fork/exec performance, and more specifically probably related to proper memory allocation/management. http://www.cygwin.com/ml/cygwin/2008-05/msg00387.html I'd say "Try using Colinux", but they haven't gotten their 64 bit act together yet. (barely decided they're going to try) One other time I was frustrated and got 50% improvement using a smaller shell, (sh) but really that's a drop in the bucket, performance-wise. -greenup On Sat, Apr 24, 2010 at 7:41 PM, StephenBartlett wrote: Same problem here. Has anyone figured out what it is yet ? Vincent Richomme-2 wrote: > On Sat, 23 Jan 2010 11:19:36 -0600, David Morgan >>... >> We use cygwin ... >> everything runs extremely slow ... > My QuadCore 3.GHz with 4GB feels like an old 386 when running cygwin on > Windows 7 64 bits! -- 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