Comment by benreesman

NVFP4 (and to a lesser extent, MXFP8) work, in general. In terms of usable FLOPS the DGX Spark and the GMTek EVO-X2 both lose to the 5090, with NCCL and OpenMPI set up the DGX is still the nicest way to dev for our SBSA future. Working on that too, harder problem.