Re: [PATCH] x86: Run checksumming in parallel accross multiplealu's

[SÃbastien DuguÃ]

On Tue, 15 Oct 2013 15:33:36 +0200
Andi Kleen <andi@xxxxxxxxxxxxxx> 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.

  SÃbastien.

> 
> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/