| To: | Rick Jones <rick.jones2@xxxxxx> |
|---|---|
| Subject: | Re: [RFC] netif_rx: receive path optimization |
| From: | Stephen Hemminger <shemminger@xxxxxxxx> |
| Date: | Thu, 31 Mar 2005 16:10:16 -0800 |
| Cc: | netdev <netdev@xxxxxxxxxxx> |
| In-reply-to: | <424C8790.6060203@hp.com> |
| Organization: | Open Source Development Lab |
| References: | <20050330132815.605c17d0@dxpl.pdx.osdl.net> <20050331120410.7effa94d@dxpl.pdx.osdl.net> <1112303431.1073.67.camel@jzny.localdomain> <424C6A98.1070509@hp.com> <1112305084.1073.94.camel@jzny.localdomain> <424C7CDC.8050801@hp.com> <424C81B8.6090709@us.ibm.com> <424C8790.6060203@hp.com> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
On Thu, 31 Mar 2005 15:28:16 -0800 Rick Jones <rick.jones2@xxxxxx> wrote: > >> I "never" see that because I always bind a NIC to a specific CPU :) > >> Just about every networking-intensive benchmark report I've seen has > >> done the same. > > > > > > Just a reminder that the networking-benchmark world and > > the real networking deployment world have a less than desirable > > intersection (which I know you know only too well, Rick ;)). > > Touche :) > > > How often do people use affinity? How often do they really tune > > the system for their workloads? > > Not as often as they should. > > > How often do they turn off things like SACK etc? > > Well, I'm in an email discussion with someone who seems to bump their TCP > windows quite large, and disable timestamps... And do they like the resulting data corruption. |
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