Re: TSO / LSO
Re: TSO / LSO
- Subject: Re: TSO / LSO
- From: Ed Wynne <email@hidden>
- Date: Tue, 2 Jan 2007 13:55:09 -0500
On Jan 2, 2007, at 1:39 PM, Andrew Gallatin wrote:
The payoff is pretty large. For the 10GbE NIC I do drivers for, we
went from sending at ~2Gb/s to ~8Gb/s when using a 1500 byte MTU on a
fairly wimpy 1.8GHz single CPU AMD64 when I implemented TSO support
in our FreeBSD driver.
Do you have any numbers on the before / after CPU consumption? Doing
more while using less power appears to be all the rage these days.
Even better is doing the same thing while using a fraction of the
power. If through put isn't enough of a motivator, perhaps a little
extra battery life...
-Ed
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