Hello,

We need more people reviewing this ticket to see if this is the right way to fix the scalability problem with graph topologies. Among the new features proposed in 2.2, it is a significant one and is not trivial to understand and vote on unless you have studied it beforehand.

Ticket URL: <https://svn.mpi-forum.org/trac/mpi-forum-web/ticket/33 thanks Rajeev!

We already had multiple reviews and constructive discussions about this ticket. The meeting is coming closer and we would like to receive more comments from a broader audience. As Rajeev already mentioned, this ticket is significant and a very important bugfix in scope of MPI-2.2. The ticket is also an important prepration for some efforts in the collective working group for MPI-3 (sparse collectives). Please read the ticket and participate in the discussions! A separate discussion is, that this ticket (optionally) proposed to deprecate the old non-scalable graph interface. Deprecating features in MPI-2.2 received little discussion so far. Due to the complexity and importance of this issue, I would like to ask for some time where the full forum collectively reviews and discusses this ticket in the style that we did nonblocking collective operations (I think we can "donate" time from the collective WG and/or the planned MPI-3 vote). Given the shortness of time and the procedural requirements of MPI-2.2, this should be done during the first day if the meeting. The ticket has been around for six months and was (briefly) discussed during each meeting, thus, I assume that most participants are familiar with the issue. Thanks & All the Best, Torsten -- bash$ :(){ :|:&};: --------------------- http://www.unixer.de/ ----- Torsten Hoefler | Postdoctoral Researcher Open Systems Lab | Indiana University 150 S. Woodlawn Ave. | Bloomington, IN, 474045, USA Lindley Hall Room 135 | +01 (812) 855-3608