|To:||Anton Blanchard <anton@xxxxxxxxx>|
|Subject:||Re: bad TSO performance in 2.6.9-rc2-BK|
|From:||Nivedita Singhvi <niv@xxxxxxxxxx>|
|Date:||Mon, 20 Sep 2004 08:54:18 -0700|
|User-agent:||Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.1) Gecko/20031030|
Anton Blanchard wrote:
Hi, I just tried latest 2.6.9-rc2-BK on a machine with an e1000 on it. With TSO off it does about 100MB/sec. With TSO on it does between 1MB/sec and 10MB/sec.
Hey Anton, yep, I was just debugging this. TSO mainline reworked implementation is still not cooked. Don't worry, final state won't be this bad :). Could you echo 0 > /proc/sys/net/ipv4/tcp_bic and redo test, please?
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