Re: [patch 0/4] V2 ia64 SPARSEMEM

[Bob Picco <bob.picco@hp.com>]

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.
> 
>