On Tue, 15 Oct 2013 15:33:36 +0200 Andi Kleen <a...@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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/