From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cpout1.tiscali.be (cpout1.tiscali.be [62.235.13.193]) by dsl2.external.hp.com (Postfix) with ESMTP id E74F54848 for ; Thu, 14 Aug 2003 00:04:05 -0600 (MDT) Date: Thu, 14 Aug 2003 08:02:04 +0200 Message-ID: <3F2A5B0400002E28@ocpmta1.freegates.net> In-Reply-To: <20030813160532.GG17512@systemhalted> From: "Joel Soete" Subject: Re: [parisc-linux] itlb miss handler optimizations! To: "Carlos O'Donell" , parisc-linux@lists.parisc-linux.org MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: > >I forgot that lamont noticed an interlocked zdep in the PA11 common case >and we reorderd the insn sequence. Perhaps this helped the numbers a >bit. I have to run the same lmbench tests on a 64-bit box first to >compare. btw is it for that reason (interlock) that in your patch we can read: [...] cmpb,= %r0,t0,itlb_miss_... nop [...] I am alway asking why the 'nop'. Thanks in advance, Joel ------------------------------------------------------------------------- Tiscali ADSL, seulement 35 eur/mois et le modem est inclus...abonnez-vous! http://reg.tiscali.be/default.asp?lg=fr