Which version of iperf are you using? Do you have any measurements for
UDP using sendto() vs send() with bind() and connect()? I haven't seen any
performance difference on my systems but haven't really spent much time
profile it either.
http://man7.org/linux/man-pages/man7/udp.7.html
Bob
On Fri, Jan 13, 2017 at 5:52 AM, Hoshall, Paul <hos...@textronsystems.com>
wrote:
> Iperf does a connect with the UDP socket first….then sends() to a specific
> address
>
>
>
> Sendto ( broadcast ) is way slower than send()…..in Linux and Windows
>
>
>
> *From:* Bob McMahon [mailto:bob.mcma...@broadcom.com]
> *Sent:* Thursday, January 12, 2017 5:48 PM
> *To:* Hoshall, Paul
> *Cc:* iperf-users@lists.sourceforge.net; Gibbs, James
> *Subject:* Re: [Iperf-users] When will real UDP, connectionless
> (sendto(), recvfrom(), broadcast) be iperf'd?
>
>
>
> Not sure why this is needed. I think a UDP socket with bind() using
> send() is equivalent to sendto() with respect to both being connectionless
> at the network layer. Are you trying to test system or OS calls? If not,
> I think a bind for UDP should be fine.
>
>
>
> Bob
>
>
>
>
>
------------------------------------------------------------------------------
Developer Access Program for Intel Xeon Phi Processors
Access to Intel Xeon Phi processor-based developer platforms.
With one year of Intel Parallel Studio XE.
Training and support from Colfax.
Order your platform today. http://sdm.link/xeonphi
_______________________________________________
Iperf-users mailing list
Iperf-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/iperf-users
