From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bob Picco Date: Thu, 09 Jun 2005 19:59:22 +0000 Subject: Re: [patch 0/4] V2 ia64 SPARSEMEM Message-Id: <20050609195922.GB3728@localhost.localdomain> List-Id: References: <20050525151347.GB23448@localhost.localdomain> In-Reply-To: <20050525151347.GB23448@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Jack Steiner wrote: [Thu Jun 09 2005, 03:47:13PM EDT] > On Wed, May 25, 2005 at 05:44:06PM -0500, Jack Steiner wrote: > > On Wed, May 25, 2005 at 11:13:47AM -0400, Bob Picco wrote: > > ... > > > and HPSIM. An early version of ia64 with SPARSEMEM was tested by Jesse. It > > > would be optimal to have another test pass on SGI NUMA hardware. > > > > > > I'm away from the office this week, but next week, I'll give the patch > > another spin on a big SGI system. > > > > Sorry to have taken so long but I had a number of problems getting the latest > mm kernel to run reliably on our large systems. > > All of the page fault intensive tests that I ran on a 64p showed essentially > the same performance with & w/o SPARSEMEM enabled. > > I also ran AIM7 but was unsucessful drawing any conclusions from the results. > Something in the latest tree is causing large run-to-run variations - almost 2:1 > at some load points. I'm trying to determine the cause of these variations. > > I have not had a chance to pull down the latest SPARSEMEM patches. I'll > do that once I understand the cause of the run-to-run variations. Jack, Great. thanks. Please hold off on fetching latest SPARSEMEM. I'm about to post V3 of ia64 SPARSEMEM. It depends on an Andy -mm patch acked by Andrew and two -mm patches by me not acked by Andrew. thanks, bob > > -- > Thanks > > Jack Steiner (steiner@sgi.com) 651-683-5302 > Principal Engineer SGI - Silicon Graphics, Inc. > >