[Beowulf] Theoretical peak performance of DGX A100
carlos.bederian at unc.edu.ar
Thu Jun 3 12:20:17 UTC 2021
A100 does 19.5 FP64 TFLOPS using tensor cores.
On Thu, Jun 3, 2021 at 9:08 AM harsh_google lastname <
harshscience777 at gmail.com> wrote:
> I am calculating the theoretical peak (FP64) performance of the Nvidia DGX
> A100 system.
> Now, A100 datasheet lists FP64 performance to be 9.7 TFLOPS.
> Two AMD 7742 CPUs will give 128 cores x 2.25 GHz base clock x 16 FP64 ops
> / cycle = 4.6 TFLOPS.
> This gives a total of 82.2 TFLOPS per DGX-A100.
> Here is my problem. For any system with DGX A100 on top500.org, numbers
> just don't add up. For eg: Selene has 560 DGX boxes, but its theoretical
> peak is listed as 79.2 PFLOPS, whereas I expect it should be 46 PFLOPS (ie
> 82.2 TFLOPS x560). The same is true for any other DGX based system listed
> on top500. What am I missing here?
> Harsh Hemani
> Beowulf mailing list, Beowulf at beowulf.org sponsored by Penguin Computing
> To change your subscription (digest mode or unsubscribe) visit
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Beowulf