Hi Kristina N. Next time avoid word "urgent" . Thanks.
2014-05-05 23:53 GMT+03:00 Jim Garlick <[email protected]>: > Hi Krishna, > > As far as I know ZeroMQ can only use IPoIB via normal IP sockets. > Looks like the idea of an RDMA zeromq transport came up in 2011, > but went nowhere? > > http://lists.zeromq.org/pipermail/zeromq-dev/2011-December/014784.html > > Another interesting example of adding RDMA support to a project with > pluggable transports is net/9p (transport for fs/v9fs) in the Linux kernel. > It might be useful to look at that code and follow its history to > understand > the problem better. > > http://lwn.net/Articles/301896/ > > As I recall the orig code in 2008, though functional, didn't deliver a big > performance win over TCP (for that stack) and introduced new failure modes, > making it unattractive and frustrating for casual users. It languished > for years in a semi-broken state until people at CEA/Bull began working > on it again in 2012-13. I'm guessing the second order issues CEA/Bull > dealt with would be instructive. Also their Mooshika RDMA abstraction, > which I think allows for a wireshark tap and testing w/o Infiniband card > could be interesting. > > https://github.com/martinetd/mooshika > > Jim > > On Mon, May 05, 2014 at 07:38:05PM +0200, Krishna Narasimhan wrote: > > Hello, > > I am a researcher at Frankfurt University and currently working > on > > contributing to folks who use ZeroMq at Gsi , Darmstadt. Can anyone guide > > me on which part of the code links ZeroMq to IPoIB. Because it doesnt > seem > > to be linked at code level. Does ZeroMq call some wrapper which directs > to > > IPoIb or normal IP? > > > > Any help here would be appreciated. this is rather urgent. > > > > On the other hand, I am also looking to contribute to including MPI > (direct > > RDMA) access for ZeroMq based applications, so anyone with this knowledge > > will also be helpful. But am not sure this belongs to this thread. > > > > Thanks a lot. > > > > Regards > > Krishna > > > _______________________________________________ > > zeromq-dev mailing list > > [email protected] > > http://lists.zeromq.org/mailman/listinfo/zeromq-dev > > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev >
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