[Beowulf] Nvidia and IBM create GPU interconnect for faster supercomputing

[Mark Hahn]

> Sounds like a memory coherent 80GB/sec link:

nah.
http://nvidianews.nvidia.com/Releases/NVIDIA-Launches-World-s-First-High-Speed-GPU-Interconnect-Helping-Pave-the-Way-to-Exascale-Computin-ad6.aspx

shows only gpu-gpu links (just like SLI).

> http://arstechnica.com/information-technology/2014/03/nvidia-and-ibm-create-gpu-interconnect-for-faster-supercomputing/
>
> They mention GPU<->GPU links, but don't quite mention system <-> system links.

yup.