From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Fri, 08 Mar 2002 08:12:31 +0000 Subject: Re: [Linux-ia64] VHPT performance Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Fri, 08 Mar 2002 08:50:15 +0100, Christian Hildner said: Christian> Could you please try with my test program to verify what Christian> I found (compile with -O). The pointer increment is half Christian> the page size, so TLB hit and TLB miss are changing. I think it's your program: I suspect you're measuring cache misses more than anything else. Try touching a set of pages repeatedly and try to touch different words, such that there are no cache misses. --david