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

Massimiliano Fatica mfatica at gmail.com
Thu Mar 27 08:17:20 PDT 2014

NVlink is both for GPU-GPU  and GPU-CPU links.
As the press release said, the GPU-CPU link will be implemented in a future
Power CPU.


On Thu, Mar 27, 2014 at 7:43 AM, Prentice Bisbal <
prentice.bisbal at rutgers.edu> wrote:

> On 03/25/2014 07:25 PM, Mark Hahn wrote:
>> 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).
> I think that picture is incorrect. It shows NVlink only between the GPUS,
> but the text accompanying it states
> "plans to integrate a high-speed interconnect, called NVIDIA(R) NVLink(tm),
> into its future GPUs, enabling GPUs and CPUs to share data five to 12 times
> faster than they can today."
> This is in disagreement with the illustration. I think someone included
> the wrong illustration by accident, or drew it wrong. Is there anyone from
> NVidia on this list that can provide clarity here?
> --
> Prentice
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