> From: Jason Gunthorpe <jgg@xxxxxxxxxx> > Sent: Friday, March 19, 2021 4:55 PM > To: Rimmer, Todd <todd.rimmer@xxxxxxxxx> > Cc: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxxxxxxxxxxxxx>; Wan, > Oh, there is lots of stuff in UCX, I'm not surprised you similarities to what > PSM did since psm/libfabric/ucx are all solving the same problems. > > > > rv seems to completely destroy alot of the HPC performance offloads > > > that vendors are layering on RC QPs > > > Different vendors have different approaches to performance and chose > > different design trade-offs. > > That isn't my point, by limiting the usability you also restrict the drivers where > this would meaningfully be useful. > > So far we now know that it is not useful for mlx5 or hfi1, that leaves only hns > unknown and still in the HPC arena. [Wan, Kaike] Incorrect. The rv module works with hfi1. > > Jason
