From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <82b0add70608270705t7dc2bb67h108317b34cdc12f3@mail.gmail.com> Date: Sun, 27 Aug 2006 10:05:01 -0400 From: "Joubert Berger" Sender: joubert@berger-family.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Subject: [Bridge] SMP vs UNP performance List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: bridge@lists.osdl.org I was running a frame loss test the other day against an rhel4 smp kernel and a non-smp kernel. I noticed I was getting better numbers when I ran the non-smp kernel. I was surprised by that. Anyone have any insight into this? I am running this with e1000 dirvers. I also ran a test where I ran the smp kernel with hyper threading turned on and off. There, the frame loss numbers were worse when hyper threading was turned off. I would not have thought that having hyperthreading turned off would make such a big difference. Just trying to make sense of these numbers :-) --joubert