From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robin Holt Date: Thu, 03 Feb 2005 17:31:55 +0000 Subject: Re: [rfc] generic allocator and mspec driver Message-Id: <20050203173155.GC26062@lnx-holt.americas.sgi.com> List-Id: References: <16897.9640.160896.31584@jaguar.mkp.net> In-Reply-To: <16897.9640.160896.31584@jaguar.mkp.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Thu, Feb 03, 2005 at 09:55:26AM -0500, Jes Sorensen wrote: > Is this because the applications will normally allocate their fetchops > in the main thread before spawning off the threads? If the mmap is > done by the thread that will 'own' the individual fetchop this > wouldn't be a problem? Sorry, just trying to understand the nature of > how these applications work, my knowledge of MPI etc. is ehm > ... limited ;) That is the normal way of doing things. Nearly all large applications have been operating under that assumption for a very long time and changing all those apps to do the mmap after spawning workers is unlikely. Robin