X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-2.2 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org MIME-Version: 1.0 Date: Wed, 01 Jul 2009 20:23:53 +0200 From: "Vincent R." To: Subject: Re: fork and exec (was: Re: Proposed patch to system.XWinrc) In-Reply-To: <20090701173246.GA7966@ednor.casa.cgf.cx> References: <416096c60906302255t1b5bdb41u442ebca20679c8d9 AT mail DOT gmail DOT com> <20090701151156 DOT GB335 AT ednor DOT casa DOT cgf DOT cx> <20090701160622 DOT GB5802 AT ednor DOT casa DOT cgf DOT cx> <7c085b629a9348d262d5339aff93c6d4 AT mail DOT smartmobili DOT com> <20090701173246 DOT GA7966 AT ednor DOT casa DOT cgf DOT cx> Message-ID: X-Sender: forumer AT smartmobili DOT com User-Agent: RoundCube Webmail/0.2 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="UTF-8" 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 On Wed, 1 Jul 2009 13:32:46 -0400, Christopher Faylor wrote: > On Wed, Jul 01, 2009 at 06:52:38PM +0200, Vincent R. wrote: >>On Wed, 1 Jul 2009 12:06:22 -0400, Christopher Faylor >>> No one is asking for benchmarks! However, if we were, strace is >>> particularly unsuitable for that task. If you want to see improvements >>> happen then dive into the code and offer specific suggestions. >> >>I did but maybe it would be important to know for sure that the problem >>comes from fork and exec because I think you are sharing the same code >>with mingw and it runs a lot faster with it. So before I dive : >> >>1) I want to be sure that fork/exec are the reason >>2) See the differences with mingw. > > If you think we're sharing process creation code with MinGW then you > have a misunderstanding about the nature of the projects. One of the > main reasons for MinGW is that they want to do everything natively. > That is obviously not the case with Cygwin. > I know that. > If you are talking about MSYS then, the last time I checked, we were > actually slightly faster. I will check this affirmation. > I obviously can't tell you what to do but I > doubt that comparing the current version of Cygwin against an ancient > hacked version of Cygwin (i.e., MSYS) is going to be very useful. > Ok so no more proposal. But after all why am I so interested in reducing compilation time on cygwin because now I have time to take 10 coffees, read all my emails, ... -- 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