| To: | "David S. Miller" <davem@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: bad TSO performance in 2.6.9-rc2-BK |
| From: | Andi Kleen <ak@xxxxxxx> |
| Date: | Wed, 22 Sep 2004 23:56:57 +0200 |
| Cc: | Nivedita Singhvi <niv@xxxxxxxxxx>, ak@xxxxxxx, anton@xxxxxxxxx, netdev@xxxxxxxxxxx |
| In-reply-to: | <20040922133011.5885640b.davem@davemloft.net> |
| References: | <20040920063012.GL2825@krispykreme> <20040920203021.GD4242@wotan.suse.de> <20040921155835.18aee381.davem@davemloft.net> <20040922140000.GD27432@wotan.suse.de> <20040922111209.7887df53.davem@davemloft.net> <20040922195515.GA2619@wotan.suse.de> <4151DB6C.8050906@us.ibm.com> <20040922133011.5885640b.davem@davemloft.net> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
> I have no idea why people think TSO will make some single > stream TCP test go faster, it doesn't buy you more bytes > on the wire :-) It definitely helps on 10GB/s - without it the maximum for single stream is slower. I suspect with a slow bus you can also see advantages on 1Gb/s. -Andi |
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