netdev - Re: [PATCH] xps-mq: Transmit Packet Steering for multiqueue

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Message-ID: <AANLkTi=8oDhAr9hui3-hoxYC9LG3Lzy5r6-2L_JLsvi3@mail.gmail.com>
Date:	Mon, 23 Aug 2010 21:37:25 -0700
From:	Tom Herbert <therbert@...gle.com>
To:	Bill Fink <billfink@...dspring.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH] xps-mq: Transmit Packet Steering for multiqueue

1 byte req. and resp.
> >
> > bnx2x on 16 core AMD
> >    XPS (16 queues, 1 TX queue per CPU)        1015K at 99% CPU
> >    No XPS (16 queues)                 1127K at 98% CPU
>
> I don't grok your performance numbers.  What do the 1015K and 1127K
> numbers represent?  I was originally guessing that they were basically
> transactions per second, but that would seem to imply that the No XPS
> case was better.  Please clarify.
>
Yes, TPS and the numbers were switched... XPS case was better!

Thanks for pointing that out.

Tom

>                                                -Thanks
>
>                                                -Bill
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