From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12854 invoked by alias); 10 Aug 2012 04:04:45 -0000 Received: (qmail 12846 invoked by uid 22791); 10 Aug 2012 04:04:44 -0000 X-SWARE-Spam-Status: No, hits=0.2 required=5.0 tests=AWL,BAYES_00,DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,KAM_TIME,KHOP_THREADED,NML_ADSP_CUSTOM_MED,RCVD_NUMERIC_HELO,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from plane.gmane.org (HELO plane.gmane.org) (80.91.229.3) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 10 Aug 2012 04:04:24 +0000 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1SzgST-0001VM-RQ for cygwin@cygwin.com; Fri, 10 Aug 2012 06:04:21 +0200 Received: from 203.17.204.243 ([203.17.204.243]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 10 Aug 2012 06:04:21 +0200 Received: from zach.saw by 203.17.204.243 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 10 Aug 2012 06:04:21 +0200 To: cygwin@cygwin.com From: Zach Saw Subject: Re: App runs 8x slower on dual core machine (with test case to replicate issue) Date: Fri, 10 Aug 2012 04:10:00 -0000 Message-ID: References: <20120809081720.GQ31757@calimero.vinschen.de> <502483DE.3010101@cygwin.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit User-Agent: Loom/3.14 (http://gmane.org/) X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com X-SW-Source: 2012-08/txt/msg00222.txt.bz2 Larry Hall (Cygwin cygwin.com> writes: > The easier it is to demonstrate the problem with a minimum of > overhead/code, the quicker the fix. And now that it's reported to the > Cygwin list, the problem is at least on the right radar. > Ah thanks Larry. This makes sense but I simply do not have the time to create such a minimum test case. I do not need a quick fix though as the workaround is simply to set CPU affinity on native 32-bit Windows. Haven't found a way to workaround this problem under WOW64 though but that's an entirely different kettle of fish to begin with. -- 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