Baseless Next Generation Rumors with no Technical Merits [post E3 2019, pre GDC 2020] [XBSX, PS5]
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This may require defining what part of the architecture or what counts as major. At least since GCN and Sea Islands (Bonaire, Hawaii, Orbis, Durango, possibly Scorpio and Neo) there have been changes to command processor blocks and surrounding IP, with the consoles having a number of other low-level changes.
Vega as far as AMD has used the name has had new instructions added with Vega 20.
Arcturus is in the GFX9 family, although it might not keep the Vega name given some significant extensions to the ISA and loss of graphics functionality.
Navi is GF10, and there is a pair of ISA revisions--GFX1011 and GFX1012, that would seem to keep additional instructions within the same GFX10 family. GFX1011 has some mentions of BVH ray intersect instructions, and if this is not in error that might mean some future variant of Navi family could have it.
https://github.com/llvm-mirror/llvm...00adaf0#diff-ad4812397731e1d4ff6992207b4d38fa
Perhaps that means it's not a generation-ending change to add a few BVH instructions, or maybe even that some groundwork for the feature is there (difficult to squint at a TMU die shot to know if there's an extra set of microcode). New features can exist for internal evaluation in products that never see them exposed, such as how hyperthreading existed in the first Pentium4 core despite it not showing up publicly in the next generation. Primitive shaders for Vega fall into a more problematic category of feature that we know was in the silicon but did not see external use.
AMD seems to have become more willing to differentiate GPUs within a family in terms of features and instruction support with recent products, and that leaves out the flexibility semicustom designs have. Sony's design leads are on the record describing how AMD gives them a list of current and upcoming features when the custom design process is underway.
The tensor cores are ALU blocks within the SM. The RT cores are likely a fixed-function block hanging off of the memory pipeline of the SM. A fault in them would be treated like a fault in a SIMD block or other logic. If not in an area with redundancy, the SM is inactivated.
From Nvidia, I'm not aware of a diagram that gives a sensible breakdown. Most of the marketing pictures are more like pretty feature checklists with no regard for the implementation.
From the following, area comparisons between Turing chips with and without RT functionality seem to have single-digit percent growth of the SM for RT functionality, which means it's more modest for a chip whose area includes many other blocks.
https://forum.beyond3d.com/threads/nvidia-turing-architecture-2018.60890/page-11#post-2064676
Mihailjones
Newcomer
Why? Because AMD have stated in their presentation about future gpu/cpu tech that rdna2 is used in next gen consoles. Ain't that clear enough?
Did you ever play Acrophobia in the day? Top scoring answer for the adult room there.
Good times, Facebook group seems to be as dead as the original game.
https://facebook.com/Acrophobia-115127885178065/
Metal_Spirit
Regular
Welll... I wasn´t expecting this... MisterXmedia is commenting on my website.
The site is in Portuguese, but I made an article about some of his coments on Tweeter about RT on Scarlett beeing better than PS5, and somehow, he decided to comment (In english, of course).
And what he is saying is even better than next gen speculation. He claims Xbox One and X have a second die with dedicated RT hardware. And that's how RT Shadows on Gears 5 was made!
This hardware is a primitive and limited version of the Scarlett RT hardware. He clains there is no way a 1.3 Tflops console could do those RT Shadows without it!
I treated him nicely, told him that's just GPGPU usage, and remembered him that PS5 did a game 100% on GPGPU with RT (The Tomorrow Children). Even so he ignored that and continues to claim there is Rt Hardware on a second Die.
I asked him: "If this is true, why doesn´t anything show on Xrays?"
I was shure he would answer this with Klingon Cloaking technology. But he just claims Xrays doesn´t show everything...
OMG!
The site is in Portuguese, but I made an article about some of his coments on Tweeter about RT on Scarlett beeing better than PS5, and somehow, he decided to comment (In english, of course).
And what he is saying is even better than next gen speculation. He claims Xbox One and X have a second die with dedicated RT hardware. And that's how RT Shadows on Gears 5 was made!
This hardware is a primitive and limited version of the Scarlett RT hardware. He clains there is no way a 1.3 Tflops console could do those RT Shadows without it!
I treated him nicely, told him that's just GPGPU usage, and remembered him that PS5 did a game 100% on GPGPU with RT (The Tomorrow Children). Even so he ignored that and continues to claim there is Rt Hardware on a second Die.
I asked him: "If this is true, why doesn´t anything show on Xrays?"
I was shure he would answer this with Klingon Cloaking technology. But he just claims Xrays doesn´t show everything...
OMG!
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You may as well forget that anyone said that. It was only even slightly plausible when the thought was that Navi CUs would be comparably-sized to Vega CUs, now that we know they are quite a bit bigger that configuration isn't remotely possible, RT cores or no.
My guess on CU count - somewhere around 40.
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I should be surprised he's still around and probably has followers, but he's the definition of a conspiracy theorist.
So in that regards its not surprising at all.
Pull together patents, what people say, articles, add in a good dose of imagination, present it in a factual manner, and people will believe.
You had a lot of time on your hands to try and have a discussion with him. Not to sound bad but there's no changing his views regardless how disproven they may be.
Well..
- On the first point, there's no second die. This is clearly visible. But more importantly, RT hardware wouldn't require a second die, not sure I'd die on a sword for that. The amount of hardware for RT is _not_ so much that it requires that much more silicon.
- On the second point, Imagination has RT working on a mobile GPU chip. So he's wrong on that front. GR6500 is 300 Gflops. By comparison that is a fraction of XBO. *lol edit I guess this is a point in his favour. But honestly, you still need to shade stuff.
- On a third point, games have been leveraging some ray tracing everywhere in parts of their games for different things. In the case of gears, RT shadows are only for distance which is much lighter and less intensive than doing models up close due to the amount of geometry you have to account for.
Xbox One X is much more forward looking; if I had to stake that particular conspiracy I would have dumped my chips into X1X. Unfortunately he doubled down on stupidness.
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Those theories of hidden silicon are beyond moronic. What the fuck kind of megacorporation will put powerful processing hardware in a console giving them a sales-point and processing advantage against their rival, and then not tell people?!?!?!! You have to be a special kind of stupid to believe such mindless crap founded on zero logic. You can make up whatever magical theorems you like about silicon being stacked or undetectable or whatever, but the idea that the developer documents don't mention it, and the marketing materials don't mention it, because the parent company doesn't want people to know about its $xxx million investment in that hardware, has no rationale. Not even a stupid rational like Xray bollocks.
Wasn't there a rule 6 years ago not to refer MisterY here anymore? Just trying to refresh my memory here
The rule is even etched in the invisible second die!
Maybe it wasn't MS that put the 2nd die in there. RT fairies.
Yes, the One and it’s brethrens have a FGPU.
A Fairy Godmother Processing Unit.
One day the clock will strike 12 and we all discover that the One was nothing but a TI-80.
https://boards.greenhouse.io/sonyinteractiveentertainmentplaystation/jobs/1929657
Job ad from Sony, they seems a bit overconfident
Job ad from Sony, they seems a bit overconfident
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