On Fri, Apr 08, 2005 at 10:31:26AM -0700, Nishanth Aravamudan wrote: > On Fri, Apr 08, 2005 at 09:44:12AM -0700, Nishanth Aravamudan wrote: > > On Thu, Apr 07, 2005 at 04:43:08PM -0700, Dave Hansen wrote: > > > On Thu, 2005-04-07 at 15:47 -0700, Nishanth Aravamudan wrote: > > > > ppc64: 8-way pSeries (1.5 GHz Power4) with 64 GB RAM > > > > x86: 4-way NUMA-Q (360 MHz PII) with 3GB RAM > > > > > > > > Please ask questions/request more details, if you need them. > > > > > > It would be interesting to see these on slightly more modern hardware. > > > That ppc64 machine has *HUGE* L2/L3 caches, and the "NUMA-Q" really > > > behaves like a regular-old 4-way PIII Xeon. Plus, its 2MB L2 caches > > > will hide lots of cacheline bouncing problems, and some of that is > > > certainly going to be an issue when you bloat a data structure like > > > 'struct page'. > > > > > > I'd suggest trying these on a couple of different pieces of hardware. > > > First, a real NUMA NUMA-Q. A 16-processor 4-node system should do. > > > Secondly, a non-Xeon x86 system. These have smaller caches, and will > > > have the cache problems show more effectively. Finally, as large and > > > NUMA-ish of a ppc64 system as you can get. > > > > I will see what I can do as far as gaining access to benchmark systems. > > I can't make any promises, but I will try. > > I am re-running the x86 tests on a 16-way traditional NUMA-Q. The most
FWIW, this will only give results on stock 2.6.12-rc1 and w/ and w/o Gerrit's patches. As you yourself pointed out, the Memory RC will bomb on NUMA-Q. Thanks, Nish ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ ckrm-tech mailing list https://lists.sourceforge.net/lists/listinfo/ckrm-tech
