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[WCCF] Nvidia's Volta could launch as early as 2H 2017 ON 16nm node - Page 8

post #71 of 272
Quote:
Originally Posted by Kpjoslee View Post

stacking vertically might be better solution that going further down from 7nm...then we would be looking at different set of challenges.

CPUs already have multiple layers in them. The problem is that going to thick makes it very hard to cool and if you just stacked 2 CPUs on top of each other the bottom processor would suffocate in heat and probably burn up the top processor from its heat as well. We need great advanced in things like IBMs micro-channel cooling. The problem is that gets harder and harder with each generation since walls keep getting more and more thin. water pressure has to be regulated to absurdly accurate levels and maintained there because even a small spike in pressure would blow out the transistors. Plus adding in such channels for cooling means much larger CPUs, since there need to be quite a lot of these cooling channels and you have to add insulators around each channel to prevent electrical connection and shorting out parts of the CPU. IBM also experimented with making the cooling conductive to bring power to the various parts of the CPU so it could be used for a dual purpose, but copper is just far better for power delivery than coolant is.







Broadwell super closeup from the top:


CPU super closeup from the side:



super closeup of a processor with some labeled traces and transistors:



Same CPU circuit picture with layers shown to the circuit:
Quote:
The lowest layer is the diffusion layer in yellow. On top of this is the polysilicon layer in purple. The topmost layer of metal is in green. Power (Vcc) and ground are supplied through the metal layer. The crosshatches show transistor gates, formed by polysilicon over insulating oxide. The skinny crosshatched areas are the enhancement transistors used as switches. The blocky crosshatched areas connected to Vcc (positive voltage) are the depletion transistors used as pullups.

Those last CPU circuit pictures come from the boxed area of this processor:
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post #72 of 272
Quote:
Originally Posted by magnek View Post

But Pascal is basically just Maxwell with a few VR/DX12 tweaks, I can't see them drawing out Maxwell that long.

If they do Volta on 16nm it'll just be like the Kepler to Maxwell transition: same node, different architecture. Certainly plausible, just nobody knows the timeframe.

btw 1st gen Fermi was GF10x, and 2nd gen Fermi was GF11x.


Kepler to Maxwell transition took 2 years(1-2 month less if you go from 680 to 750), 750/750Ti didn't come out until early 2014 and 980 not until Q3 2014. It is not plausible to assume Volta would come in within a year of Pascal release with no 2nd gen Pascal product based on that precedent.
Edited by sherlock - 7/26/16 at 6:46am
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post #73 of 272
Quote:
Originally Posted by sherlock View Post

Kepler to Maxwell transition took 2 years, 750/750Ti didn't come out until early 2014 and 980 not until Q3 2014. It is not plausible to assume Volta would come in within a year of Pascal release with no 2nd gen Pascal product based on that precedent.

I had mentioned that Nvidia would earn much more by extending GP104 lifespan to 2 years instead of 1. First as a flagship 1080, next as a overpriced GTX 1170 one year later when yield stabilized.

I had every reason to believe GP104 will survive more than 12 months on the market, especially how easy it is to create small chip and yet able to sell at such commanding price.

From there, what happen to GTX 1100 rest of the lineup? And what will become the GTX 1180? Simple. GP102 cut down, and the rest just shift one level down from 1000 series. There, you have the entire lineup that can easily last Nvidia another year without them doing anything at all.
Edited by guttheslayer - 7/26/16 at 6:52am
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post #74 of 272
Why do they keep on showing old roadmaps and then saying they're predicting something different. Based on the latest roadmaps, volta was supposed to come out before 2018. rolleyes.gif

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post #75 of 272
Quote:
Originally Posted by Syan48306 View Post

Why do they keep on showing old roadmaps and then saying they're predicting something different. Based on the latest roadmaps, volta was supposed to come out before 2018. rolleyes.gif



I dont see how is the picture you are showing to be before 2018. It clearly show year 2018 for Volta


P.S I just realised JHH didnt have a jacket for once.
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post #76 of 272
Quote:
Originally Posted by guttheslayer View Post

Quote:
Originally Posted by Syan48306 View Post

Why do they keep on showing old roadmaps and then saying they're predicting something different. Based on the latest roadmaps, volta was supposed to come out before 2018. rolleyes.gif



I dont see how is the picture you are showing to be before 2018. It clearly show year 2018 for Volta


P.S I just realised JHH didnt have a jacket for once.



I don't think i'm reading in between the lines tongue.gif. I really do believe they meant that as before 2018.
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post #77 of 272
so this will be like 750ti and maxwell? test the arch on a small chip kinda deal?
post #78 of 272
Quote:
Originally Posted by Syan48306 View Post



I don't think i'm reading in between the lines tongue.gif. I really do believe they meant that as before 2018.

Yeah, summer 2017.

Just like the rumours suggest.

Pascal Titan probably launches soon, and 1080 Ti after Vega 10 hits. All this will probably be out before Christmas time. 6-8 months later, small Volta dies with proper async support biggrin.gifwink.gif
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post #79 of 272
I saw this rumor going around a few days prior to the announcement of the new Titan X, I was thinking we would only see Volta early if the big die Pascal GPUs release in the last 4-5 months of this year, now that a big die GPU has been announced and is launching on August 2nd this sounds totally plausible. I'm pretty surprised, things have really sped up recently.
Quote:
Originally Posted by badtaylorx View Post

That's just great. This is the earliest I've gotten (2*1070's) cards in a product cycle, and they go and up there release schedule.

Jerx mad.gif

I'm still getting a 1070, even if it is somewhat shortlived. biggrin.gif
post #80 of 272
I think its possible only smaller Volta cards come out in mid/Q3 2017 and ~X80 Volta - in late 2017 or early 2018
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