From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <40487EC0.9070501@jonmasters.org> Date: Fri, 05 Mar 2004 13:21:04 +0000 From: Jon Masters MIME-Version: 1.0 To: Steven Scholz Cc: linuxppc-embedded@lists.linuxppc.org Subject: Re: uncached user space mapping with mmap() ??? References: <40473464.8010203@imc-berlin.de> <404837D3.3060609@imc-berlin.de> <40486600.9090304@jonmasters.org> <40486783.7010703@imc-berlin.de> In-Reply-To: <40486783.7010703@imc-berlin.de> Content-Type: text/plain; charset=us-ascii; format=flowed Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Steven Scholz wrote: | Yes. The thruput is calculated after repeating the loop 1000 times | (Retries = 1000). That is not an accurate measurement though because you really need to repeat this a few times on the host from a cold start under similar conditions for people to actually see much difference in these figures - within a single run you might well see a small delta between the two. |> You will need to answer the questions Russell King posted in order for |> us to work through this and figure out where the difference lies. | I am just about to do it. Ok. Jon. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/