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Nvidia Slide reveals numbers on Single and Double precision for Flagship Pascal GPU
A slide from an Nvidia presentation is stirring some things on the web as it seems as some info on the Flagship GPU on the new 16nm Pascal architecture (likely named GP100) would be able to perform numbers that are astonishing.
Slides from "The Future of HPC and The Path to Exascale" shows a roadmap with a DP GFLOPS/W value for Pascal. The presentation's date is between the GTC 2013 roadmap which does not contain Pascal and the GTC 2014 roadmap which does contain Pascal. But thus this presentation is dated (2015) and likely estimated, we do have to say that.
The slides from "Manuel Ujaldón CUDA Fellow @ Nvidia" however show performance numbers for both single and double precision, double-precision floating-point (DPFP) wise Nvidia seems to be reaching (or is aiming for) a 4 TFLOP/s throughput (at least on their HPC parts). That would be 3x over the current 1.3 TFLOP/s on the Tesla K20 which on it's end is based on "Kepler" GK110 silicon.
Single-precision then, it would be as high as 12 TFLOP/s. That is four times that a GK110, and roughly double a GM200 (6.4 TFLOPS for the 980 Ti). The slide does reveal one other thing, the GP100 is inidicated to use stacked HBM2 memory as the memory bandwidth is set at 1 TB/s.
Download the presentation here. Well .. yummie !?
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Denial
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#5233133 Posted on: 02/17/2016 02:54 PM
For big Pascal the numbers don't seem that unreasonable given that they essentially skipped a generation with double precision. I doubt a card this big will launch this year though.
I wonder how Pascal is going to work anyway. Are they going to make gaming cards full precision, with cut down double like they do now? or are the gaming cards going to have mixed precision on them along with double and full? Isn't that like a waste of die space?
Maxwell doesn't have a card that has dedicated DP on it -- they are all cut down.
For big Pascal the numbers don't seem that unreasonable given that they essentially skipped a generation with double precision. I doubt a card this big will launch this year though.
I wonder how Pascal is going to work anyway. Are they going to make gaming cards full precision, with cut down double like they do now? or are the gaming cards going to have mixed precision on them along with double and full? Isn't that like a waste of die space?
Interesting that Maxwell's not mentioned in that slide but they show Fermi and Kepler... Wonder how this would rank, who knows, maybe very close to Pascal.
Maxwell doesn't have a card that has dedicated DP on it -- they are all cut down.
Krteq
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#5233137 Posted on: 02/17/2016 02:56 PM
It's an estimated computing performance taken from slides from June 2015.
It's an estimated computing performance taken from slides from June 2015.
fantaskarsef
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Posts: 12061
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#5233141 Posted on: 02/17/2016 02:59 PM
Of course you are right, totally forgot about that!
Maxwell doesn't have a card that has dedicated DP on it -- they are all cut down.
Of course you are right, totally forgot about that!
Denial
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Posts: 13235
Joined: 2004-05-16
Senior Member
Posts: 13235
Joined: 2004-05-16
#5233144 Posted on: 02/17/2016 03:03 PM
Yeah, it says that in the article...
It's an estimated computing performance taken from slides from June 2015.
Yeah, it says that in the article...
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Interesting that Maxwell's not mentioned in that slide but they show Fermi and Kepler... Wonder how this would rank, who knows, maybe very close to Pascal.