On Wed, Oct 07, 2009 at 02:20:29PM -0700, Hefty, Sean wrote: > >You are trying to make the smallest change possible to work around a > >performance problem caused by ineffecient abstractions by completely > >breaking the abstraction. > > The performance problem being addressed here is not caused by an > inefficient abstraction. It's caused by having a single, > centralized SM incapable of scaling to the cluster sizes that > customers want to use.
The SM scaling is a side effect of the IP RDMA CM design. Since the IP RDMA CM design and abstraction require the ARP and PR queries - it is the root inefficiency - the SM scaling is the consequence. IB GID CM does not have this mandatory behavior, you can get your PR data from wherever you want. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
