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SubjectRe: [PATCH] x86: Run checksumming in parallel accross multiple alu's
On Tue, 15 Oct 2013 15:33:36 +0200
Andi Kleen <andi@firstfloor.org> wrote:

> > indeed, our typical workload is connected mode IPoIB on mlx4 QDR hardware
> > where one cannot benefit from hardware offloads.
>
> Is this with sendfile?

Tests were done with iperf at the time without any extra funky options, and
looking at the code it looks like it does plain write() / recv() on the socket.

Sébastien.

>
> For normal send() the checksum is done in the user copy and for receiving it
> can be also done during the copy in most cases
>
> -Andi
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