[ewg] RE: SC'09 BOF - Meeting notes and Final Slides

Roland Dreier rdreier at cisco.com
Thu Nov 19 11:19:02 PST 2009


 > WinOF has asynchronous interfaces for modify QP, and limited testing has shown
 > that it can improve connection times.  QP transitions are probably the second
 > largest component of connection setup after the SA.  Since the RDMA CM already
 > provides an asynchronous interface, even existing apps may be able to be able to
 > gain some benefit from this.

can't anyone get async modify QP today on any platform by just doing the
operation in another thread (or thread pool)?  It seems that the
operations themselves are heavy enough that thread dispatch, locking etc
is going to be significant overhead.

 - R.



More information about the ewg mailing list