Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

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ToTTenTranz

Member
Feb 4, 2021
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Surface is a meme.
Has there been any news out of Microsoft's devices team since Panos Panay left?
It looks like he was a major part of why everything was so slow to adopt in the Surface devices and why Microsoft stubbornly stuck to Intel despite AMD doing so much better on low power APUs.

I still remember that AMD CES 2021 keynote when everyone expected Microsoft to announce their Van Gogh product (PC handheld console? Surface XBox?) but instead Panos Panay just appeared to say "uhm yeah remote work is hard and we're... working together.. sometimes.. goodbye".



Thankfully Valve picked Van Gogh to do the Steam Deck and that might've been the best result in the end, but it must have been quite the setback for Microsoft at the time. There's already an NPU in Van Gogh (probably the first ever on AMD?), but AFAIK Valve doesn't even expose it in their Linux or Windows drivers.


Intel has said they will have a process lead over TSMC with 18A.
Intel has said many things lately but many of them haven't become true, especially when they compare their processes to TSMC.


Nooooot quite.
MS skipped phones, realised the depth of their mistake too late, started an ambitious project to make a real MS Phone that was actually pretty great (everyone who had an early years MS phone told me of how it was wonderfully superior to Android), decided for some reason to drop their custom phone OS, I imagine they must've realised they were too late and would never get the large pool of 3rd party devs that Android did, and just copied Google for a few years before giving up for good.

So it's sort of a "skipped, tried late, failed, tried a weak copy, gave up for good". Or so I recall anyway.

I got my father a Samsung Omnia 7 (was coming from a Symbian 7 Sony Ericsson P910). I was using a PocketPC in college at the time and thought the Windows Phone 7 would be the best companion to someone who uses Windows.

Boy was I wrong, WP7 was terrible beyond my imagination. Microsoft was so worried to make it simple and easy to use that they made a dumbphone OS. He couldn't open word or excel documents and couldn't synchronize his outlook calendar in no possible way. The simplest stuff that my PPC and his Symbian phone could do automatically by just plugging the phone to the PC, WP7 couldn't do. I remember having to create a Microsoft cloud account back in 2010 to sync his Office Outlook and his WP7 Outlook but Microsoft only synced with the Windows Outlook.. which my father refused to change to because his work methods involved backing up emails to specific folders.

The whole thing was so bad. You're the first person I see to ever claim Windows Phone was superior to Android... Windows Mobile maybe (though it was stylus based coming off Pocket PC so it had a hard time coming up with the times) but Windows Phone? Argh...



View attachment 96643

"The MX6 data type in AIE-ML v2 offers up to 3X higher TOPS (trillions of operations per second)-per-watt than the AIE-ML compute tile architecture"

MX6 vs INT8.
Where is this coming from?
 

Tarkin77

Member
Mar 10, 2018
75
163
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Where is this coming from?

 

blackangus

Member
Aug 5, 2022
83
103
66
Nooooot quite.
MS skipped phones, realised the depth of their mistake too late, started an ambitious project to make a real MS Phone that was actually pretty great (everyone who had an early years MS phone told me of how it was wonderfully superior to Android), decided for some reason to drop their custom phone OS, I imagine they must've realised they were too late and would never get the large pool of 3rd party devs that Android did, and just copied Google for a few years before giving up for good.

So it's sort of a "skipped, tried late, failed, tried a weak copy, gave up for good". Or so I recall anyway.
So... didn't skip phones.
 

dhruvdh

Junior Member
Apr 2, 2024
15
27
51

So, after some napkin math - with 64 AIE-MLv2 tiles as per the AllTheWatts tweet, we end up at ~160 INT8 / MX6 TOPS.

Assumptions: 2 row, 8 column sub-arrays. Operating conditions: 1 GHz Fmax, 0.7V AIE operating voltage, 100°C junction temperature, typical process, 60% vector load, % activations = 0 < 10%. Actual performance will vary when final products are released in market. Performance projections as of March 2024. (VER-023)


Per chips and cheese, Hawk Point AIE runs at 1.6GHz. Strix could be 8 row, 8 columns. Its too good? Is MS actually going to use all this?

There is a lot of good info here about AIE-MLv1 - Ryzen AI column architecture and tiles — AMD Riallto 1.0 documentation
 

Ghostsonplanets

Senior member
Mar 1, 2024
419
710
96
So wouldn't you think after almost two decades of touch screen computing on windows being a thing they'd stop making them? So charitable of the OEMs to sell touchscreen PCs at a loss for so long, very brave. lmao
What @adroc_thurston saying is that the AI push will be similar to the Touch Screen and Touch UX push of Windows 8. AKA: Another desperate push from MS to not lose another potential big stream of revenue.

Let's remember Windows 8? Where MS created a touch-centric UX with a Desktop UX bolted on. And treated K&M as second-place users by literally changing key combinations and others things to accommodate for Touch UX interactions, etc, etc, etc.

MS basically required Touch Screen for Premium Windows Laptops designs and was also pushing big for W8 Tablets, be it Arm or X86. Which is no different from their current push with bolting-on AI features on Windows, pushing Co-Pilot key on keyboards and requiring SoC manufacturers to include an big and expensive NPU that will be useless for 95% of the cases.

I'm still in disbelief that we lost a SLC in Strix Point, which would greatly improve CPU performance (Specially due to Zen Mobile halved cache) and would provide a insane uplift for the GPU, making its performance even closer to a discrete GPU, but on thin and light devices with low power. Instead we get an useless NPU that will be power gated at 95% of the cases and is basically dead Si.

Oh! And let's not forget that MS won't stop at 45 TOPs requirement. By 2026, who says 100 TOPs won't be the new minimum? Lunar Lake may already be a hint at this...
So, after some napkin math - with 64 AIE-MLv2 tiles as per the AllTheWatts tweet, we end up at ~160 INT8 / MX6 TOPS.




Per chips and cheese, Hawk Point AIE runs at 1.6GHz. Strix could be 8 row, 8 columns. Its too good? Is MS actually going to use all this?

There is a lot of good info here about AIE-MLv1 - Ryzen AI column architecture and tiles — AMD Riallto 1.0 documentation
It's a possibility AMD is already preparing for 2025 and/or 2026 MS requirements on the minimum amount of TOPs for Windows AI...
 

Glo.

Diamond Member
Apr 25, 2015
5,743
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What @adroc_thurston saying is that the AI push will be similar to the Touch Screen and Touch UX push of Windows 8. AKA: Another desperate push from MS to not lose another potential big stream of revenue.
LMAO.

No, it won't be. Its not that the world is living in a vacuum of Windows.

Google, Microsoft and Apple. They all are competing for the same cake. AI will become important part of computing.
 

ToTTenTranz

Member
Feb 4, 2021
86
132
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Let's remember Windows 8? Where MS created a touch-centric UX with a Desktop UX bolted on. And treated K&M as second-place users by literally changing key combinations and others things to accommodate for Touch UX interactions, etc, etc, etc.

MS basically required Touch Screen for Premium Windows Laptops designs and was also pushing big for W8 Tablets, be it Arm or X86. Which is no different from their current push with bolting-on AI features on Windows, pushing Co-Pilot key on keyboards and requiring SoC manufacturers to include an big and expensive NPU that will be useless for 95% of the cases.

The funny thing is that none of those features ever achieved mass market adoption.But now, thanks to the Steam Deck using Microsoft's SoC leftovers we're getting mass market windows handheld consoles (ROG Ally, Legion Go) which are in desperate need of a non-desktop touch-centric UX like the one they had developed for Windows 8.

So at some point Microsoft held all the ingredients for a winning recipe: handheld-friendly UI in windows, a semicustom low-power x86 SoC for a windows gaming handheld, a handheld console probably in late development stages, but they chose not to go through with it.

It's like Microsoft can't help following trends instead of launching real innovations.



I'm still in disbelief that we lost a SLC in Strix Point, which would greatly improve CPU performance (Specially due to Zen Mobile halved cache) and would provide a insane uplift for the GPU, making its performance even closer to a discrete GPU, but on thin and light devices with low power. Instead we get an useless NPU that will be power gated at 95% of the cases and is basically dead Si.
Whatever AMD put in Strix Point (probably Cadence Vision IP cores like they did for Van Gogh at Microsoft's request at the time) is something that got into the design some 3 years ago.
I don't think AMD decided to overhaul Strix Point's whole cache system to put an AI coprocessor after ChatGPT came out in 2022.
Also, hopefully Strix Point will support LPDDR5T 9.6Gbps (total 153GB/s on a 128bit width). That's 75% over the Steam Deck / Van Gogh.
 

gdansk

Platinum Member
Feb 8, 2011
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ToTTenTranz

Member
Feb 4, 2021
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Am I missing something? Like Phoenix before it the Strix Point NPU is Xilinx AIE. Strix Point was always going to have an NPU because Phoenix did. But the story presented is that they adjusted the size of it more recently.
You're right. Van Gogh and Rembrandt use the Cadence Vision IP cores (CMVL blocks that we saw back in 2020 leaked roadmaps). Phoenix uses Xilinx IP as per AMD's published specs, and Strix Point probably follows suit.


 

Ghostsonplanets

Senior member
Mar 1, 2024
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Xilinx XDNA NPU was always going to be into Strix. What happened is that MS push towards 40 TOPs meant that every SoC vendor had to increase their NPU size to achieve higher output at low energy. Hence why the SLC was dropped.

Remember, Strix Point is already ~225mm². Imagine if it also had a SLC. Would be to big of a core to be commercially viable for AMD.
 

Mahboi

Senior member
Apr 4, 2024
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I'm still in disbelief that we lost a SLC in Strix Point, which would greatly improve CPU performance (Specially due to Zen Mobile halved cache) and would provide a insane uplift for the GPU, making its performance even closer to a discrete GPU
If anything, uzzi kind of indirectly said that Strix Halo will have that kind of unified cache. Point lost it, but Halo is a plain gaming oriented device.
 

FlameTail

Platinum Member
Dec 15, 2021
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Remember, Strix Point is already ~225mm². Imagine if it also had a SLC. Would be to big of a core to be commercially viable for AMD
I find something weird about this argument that AMD had to cut the SLC, to fit in a bigger NPU due to die size constraints.

Why?

Why couldn't AMD fit in  both a big NPU and an SLC?

It's not like they are breaking a reticle limit. In fact, the rumoured 225 mm² die size for Strix Point is already exceeding the 214 mm² limit that's needed for four dies per reticle.

1 reticle = 858 mm²

4 chips per reticle = 214 mm² × 4

Since they are already beyond the optimal die size to have 4 chips per reticle, and can have only 3 chips per reticle... why not just slap in an SLC too? A 16 MB would only add like 10 mm².

Max die size to have 3 chips per reticle is 286 mm².
 
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Mahboi

Senior member
Apr 4, 2024
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I find something weird about this argument that AMD had to cut the SLC, to fit in a bigger NPU due to die size constraints.

Why?

Why couldn't AMD fit in  both a big NPU and an SLC?

It's not like they are breaking a reticle limit. In fact, the rumoured 225 mm² die size for Strix Point is already exceeding the 214 mm² limit that's needed for four dies per reticle.
Erm. You think a low-midrange chip is going to take advanced packaging? That costs quite a bit you know? And is limited by how much substrate is available? (hint: not enough for everyone)
🤔
 

FlameTail

Platinum Member
Dec 15, 2021
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Erm. You think a low-midrange chip is going to take advanced packaging? That costs quite a bit you know? And is limited by how much substrate is available? (hint: not enough for everyone)
🤔
When did I talk about chiplets or advanced packaging???

I was talking about reticle limits...
 
Reactions: Mahboi

Glo.

Diamond Member
Apr 25, 2015
5,743
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I find something weird about this argument that AMD had to cut the SLC, to fit in a bigger NPU due to die size constraints.

Why?

Why couldn't AMD fit in  both a big NPU and an SLC?

It's not like they are breaking a reticle limit. In fact, the rumoured 225 mm² die size for Strix Point is already exceeding the 214 mm² limit that's needed for four dies per reticle.

1 reticle = 858 mm²

4 chips per reticle = 214 mm² × 4

Since they are already beyond the optimal die size to have 4 chips per reticle, and can have only 3 chips per reticle... why not just slap in an SLC too? A 16 MB would only add like 10 mm².

Max die size to have 3 chips per reticle is 286 mm².
Strix Point is replacement for Phoenix. Those APUs are always designed with AS LOW COST AS POSSIBLE to be used on desktop after x months of Mobile use.
 
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