[Beowulf] Inside the Titan Supercomputer: 299K AMD x86 Cores and 18.6K NVIDIA GPUs

"C. Bergström" cbergstrom at pathscale.com
Wed Oct 31 08:33:20 PDT 2012


On 10/31/12 08:17 PM, Vincent Diepeveen wrote:
> Let's see. PDF about K20 says:
>
> K20 gpgpu: "3x the double precision performance compared to the
> previous generation... M2090.."
>
> M2090 : 665 gflop.
>
> See: http://www.nvidia.com/object/tesla-servers.html
>
> A theoretic peak of: 18.6k * 0.665 tflop * 3 = 37.107 Pflop
I can't validate or attest to the accuracy, but the *actual* numbers 
I've seen in other articles is 1.16 (not 0.665 * 3) per K20 and around 
20Pflop for Titan.  We have to wait until Top500 is published to get 
actual numbers
-----------
Anyone with more 1st hand knowledge of the matter please feel free to 
correct me


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