From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3FD89FC3.3020301@jonmasters.org> Date: Thu, 11 Dec 2003 16:48:03 +0000 From: Jon Masters MIME-Version: 1.0 To: Wolfgang Grandegger Cc: Dan Malek , linuxppc-embedded@lists.linuxppc.org Subject: Re: 405 TLB miss reduction References: <3FBD5348000912F8@mssbzhh-int.msg.bluewin.ch> <3FD75312.7070701@embeddededge.com> <3FD84905.5090802@bluewin.ch> In-Reply-To: <3FD84905.5090802@bluewin.ch> Content-Type: text/plain; charset=us-ascii; format=flowed Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Wolfgang Grandegger wrote: | We have been surprised, that CONFIG_PIN_TLB was able to reduce the page | miss rate already by approx. 40%. We are also working on the | optimization/tuning of our application and likely there we can gain more | than by further squeezing the TBL management of the Linux kernel, I agree. I noticed a possible improvement in performance however have not yet done a set of tests to back this up. I saw the huge TLB stuff in 2.6.0-test11 and nearly fell off my chair - can someone here provide some reference to read on this so I can be more useful talking about it? Jon. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/