X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-0.4 required=5.0 tests=AWL,BAYES_50,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Date: Thu, 27 Jan 2011 12:53:17 -0600 From: Brian Ford Reply-To: cygwin@cygwin.com To: cygwin@cygwin.com Subject: Re: max memory In-Reply-To: <20110124151917.GB12471@ednor.casa.cgf.cx> Message-ID: References: <000a01cbb58a$2ce4fd70$86aef850$@leinonen@wipsl.com> <20110117061117.GA3699@ednor.casa.cgf.cx> <4D3CFC08.3010704@tlinx.org> <20110124151917.GB12471@ednor.casa.cgf.cx> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com On Mon, 24 Jan 2011, Christopher Faylor wrote: > On Sun, Jan 23, 2011 at 08:11:52PM -0800, Linda Walsh wrote: > >Christopher Faylor wrote: > >> Cygwin only uses as much memory as the OS gives it. It can't > >> use a full 2048MB for the heap. > >---- > > > >Using the /LARGEADDRESSAWARE flag would allow cygwin to access > >up to a full 4GB of memory under Win7-64. > > > >Wouldn't that give enough to Cygwin to allow it to give more to the > >heap? > > No. It does give Cygwin more to work with, and it is Cygwin compatible. But obviously the heap is still limited by many other address space mappings (especially DLLs), so getting a full 2 or 4 Gb is not usually possible. -- Brian Ford Staff Realtime Software Engineer VITAL - Visual Simulation Systems FlightSafety International the best safety device in any aircraft is a well-trained crew... -- 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