On Fri, 16 Dec 2005 11:39:52 +0300 Evgeniy Polyakov <[EMAIL PROTECTED]> wrote:
> On Thu, Dec 15, 2005 at 12:55:48PM -0800, Stephen Hemminger ([EMAIL > PROTECTED]) wrote: > > Given the pretty extensive modifications necessary, do you have any > > useful benchmark data to show that this is a win. Previous zero > > copy (like page flipping) has not be merged because it did not > > prove to be a net gain. > > Yes, I have one. > I use high-performance memory mapped 8139 adapter (original idea > was to reduce CPU usage on my home gateway when downloading huge files > over ftp where I use such an Adapter) on 2.4 Ghz Xeon (1+HT): 8139 and high performance are an oxymoron. Any hardware that can't do real DMA is not really high performance. If you want to work on a way to do faster receives, buy a better NIC then if you really feel talented, make AIO work for network receives. -- Stephen Hemminger <[EMAIL PROTECTED]> OSDL http://developer.osdl.org/~shemminger - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html