| To: | "David S. Miller" <davem@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH] TSO Reloaded |
| From: | John Heffner <jheffner@xxxxxxx> |
| Date: | Tue, 17 May 2005 22:26:09 -0400 |
| Cc: | netdev@xxxxxxxxxxx |
| In-reply-to: | <20050504230731.12be1bc3.davem@davemloft.net> |
| References: | <20050504230731.12be1bc3.davem@davemloft.net> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
Though it may be moot by now, I just ran some tests of my own with this
patch. This was on a dual 2.4 GHz Xeon booted with a UP kernel,
running iperf over an e1000 at a 1500 byte MTU. I measured idle CPU by
running a process which sits in a gettimeofday() loop. Numbers are CPU
utilization, all turned out +/- 1%.No TSO: 86.6% Old TSO: 61.0% New TSO: 88.5% -John |
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