On Mon, Oct 05, 2009 at 11:08:51AM -0700, Sean Hefty wrote: > >On Mon, Oct 05, 2009 at 10:43:44AM -0700, Sean Hefty wrote: > >> Export rdma_set_ib_paths to user space to allow applications to > >> manually set the IB path used for connections. This allows > >> alternative ways for a user space application or library to obtain > >> path record information, including retrieving path information > >> from cached data, avoiding direct interaction with the IB SA. > >> The IB SA is a single, centralized entity that can limit scaling > >> on large clusters running MPI applications. > > > >Um, isn't this kind of low level control exactly why we have the IB > >CM? > > There are very few apps that I'm aware of (one to be precise) that have coded > directly to the libibcm.
I've done several.. But that isn't really the point, IB CM already provides this API so, why corrupt the RDMA CM abstraction with this? 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
