K80 is a very old card by now, and it is possible that Amber will drop
support for it at some point in the not so distant future.
I am not sure one can do head to head comparison, but my back of the
envelope calculation is that an RTX30X is around 5 or 6x faster (in
ns/day) than an K80.
Adrian
On 6/14/21 9:34 AM, 东不拉 wrote:
> [External Email]
>
> Dear Professor:
>
> I prepared a GPU workstation to perform AMBER calculations. A problem bothering me is that the cost of RTX30 series graphic cards are three times higher than their official releasing price at the present. And I noticed that Tesla k80 has reduced to an acceptable price for me.
> I looked up informations for k80 and RTX3090 below: k80 contains 4992 CUDA cores, GPU Boosting frequency 875 MHz, 8.73 teraflops single-precision performance with NVIDIA GPU Boost; and 3090 contains 5248 FP32 CUDA cores, GPU Boosting frequency 1695 MHz, 35.7 teraflops single-precision performance.
> My concerning is how much difference of AMBER performance between k80 and RTX3090 supporting? Which technical property is crucial for AMBER running speed and precision?
> Thank you for your guiding.
> Best Wishes
> Yudong Sahng
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--
Dr. Adrian E. Roitberg
V.T. and Louise Jackson Professor in Chemistry
Department of Chemistry
University of Florida
roitberg.ufl.edu
352-392-6972
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Received on Mon Jun 14 2021 - 08:00:02 PDT
