From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Catalin(ux aka Dino) BOIE" Subject: Re: [PATCH] dummy: improve performance Date: Thu, 26 May 2005 09:03:29 +0300 (EEST) Message-ID: References: <20050525.151149.08323692.davem@davemloft.net> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: netdev@oss.sgi.com Return-path: To: "David S. Miller" In-Reply-To: <20050525.151149.08323692.davem@davemloft.net> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Wed, 25 May 2005, David S. Miller wrote: > From: "Catalin(ux aka Dino) BOIE" > Date: Fri, 20 May 2005 13:11:24 +0300 (EEST) > >> I tested the speed and seems very low (both old version and the new one). >> Something like 37Mbits/s. It is normal? >> I can easily get 80Mbit/s on the same machine on ethernet. > > How are you receiving packets on the dummy device for > performance testing? This device is a transmit blackhole > and receives no packets :-) I only test the output part. I measure how time it takes to send an amount of data (icmp or udp). > I really don't see a real need for your patch, dummy device > performance cannot be claimed to be important at all. Of course it's not very important. But if someone is using it, why not at full speed? Thanks. --- Catalin(ux aka Dino) BOIE catab at deuroconsult.ro http://kernel.umbrella.ro/