On Thu, 2007-29-11 at 12:08 -0800, Nelson, Shannon wrote: > [RFC] I/OAT: Handle incoming udp through ioatdma > > From: Shannon Nelson <[EMAIL PROTECTED]> > > If the incoming udp packet is larger than sysctl_udp_dma_copybreak, try > pushing it through the ioatdma asynchronous memcpy. This is very much > the > same as the tcp copy offload. This is an RFC because we know there are > stability problems under high traffic.
What stability problems? Is there some magic sysctl_udp_dma_copybreak threshold value where you start seeing the benefit of IOAT-ing? Since you mentioned "students"<evil grin here>, it would be interesting to see data where udp starts benefitting. cheers, jamal - 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
