From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger-Tang Date: Tue, 01 Nov 2005 15:41:26 +0000 Subject: Re: [RFC] 4-level page table directories. Message-Id: List-Id: References: <20051027041709.GA13193@attica.americas.sgi.com> In-Reply-To: <20051027041709.GA13193@attica.americas.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On 11/1/05, Robin Holt wrote: > I am trying to get time on one of our larger machines today to run the > RandomAccess benchmark (as well as some help from somebody that has run > these before). Is there a certain number of cpus you would like this > run on or is a 64p box adequate? Oh, even a single CPU should be fine. Just use a large working set. IIRC, about 16GB should ensure that not even the page tables fit in the cache (depending on your cache-size, of course). Thanks, --david -- Mosberger Consulting LLC, voice/fax: 510-744-9372, http://www.mosberger-consulting.com/ 35706 Runckel Lane, Fremont, CA 94536