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

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soresu

Platinum Member
Dec 19, 2014
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What is AVX512? Is that thing that was supported by scrapped Knight Mill/Landing/etc, or Skylake-EP (with nice product segmentation with random silver xeons having one or two ports for "AVX512"), or mythical Cooper Lake and so on and so forth...
AFAIK the actual silicon is still there in current cores, it's just disabled in microcode or something.
 

soresu

Platinum Member
Dec 19, 2014
2,941
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Ask the same question to the same AI tomorrow and you might surprise by the quite possible different answer.
Depends on the input/question, the AI model and the amount of training.

An LLM with an ambiguous or implicitly worded question is likely to have greater variance in answers vs an explicitly worded question.
 

inquiss

Member
Oct 13, 2010
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More like Win86 if so.

They certainly don't act like they would like to be free of Intel specifically - they never seem to make much more than the bare minimum of effort to support AMD.
Yeah exactly. They want more entrants, not just to switch the power between intel and AMD. They want competition and making windows rely on ARM means lower barrier to entry. Still, lack of proper x86 compatibility means a hard no. We're a generation or two away from their goal.
 

adroc_thurston

Diamond Member
Jul 2, 2023
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More like Win86 if so.
AMD doesn't exist in MS zeitgeist, client-wise.
They want competition and making windows rely on ARM means lower barrier to entry.
It's really not lower, remember that Qualcomm's greatest and bestest is very incrementally better than the pastgen AMD/Intel IP (and do note that PHX and MTL both have/had funny issues).
 

inquiss

Member
Oct 13, 2010
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AMD doesn't exist in MS zeitgeist, client-wise.

It's really not lower, remember that Qualcomm's greatest and bestest is very incrementally better than the pastgen AMD/Intel IP (and do note that PHX and MTL both have/had funny issues).
Well, I mean in the sense that if windows on arm does well then other companies can make processors for it. It opens the floodgates and drives down the cost of processors for windows. Right now though, Qualcomm isn't really viable.
 

StinkyPinky

Diamond Member
Jul 6, 2002
6,825
870
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Interaction with Copilot:

Question: ”What is the estimated IPC increase for Zen5 based on the discussion in this forum thread: http://www.portvapes.co.uk/?id=Latest-exam-1Z0-876-Dumps&exid=thread...strix-point-granite-ridge-ryzen-9000.2607350/ ? ”

Answer: ”The discussion on the Zen 5 architecture in the AnandTech forums suggests several estimates for its IPC increase. Here are some key points:

  1. Dual Decode and Integer Units:
  2. Industry Standard Estimate:
  3. MLID’s Observation:
  4. TechPowerUp Hands-On:
Keep in mind that these estimates vary, and official details may differ once AMD releases more information. Nonetheless, Zen 5 appears to offer significant improvements in IPC and efficiency.”

Question: ”So if what is the outcome of this, if you have to provide only one number for expected IPC increase for Zen5?”

Answer: ”While the estimates vary, if I had to provide a single number for the expected IPC increase in Zen 5, I would suggest around 20%. Keep in mind that this is an industry-standard estimate, and the actual performance may differ once AMD releases official details.”

So 20% it is. Or Copilot will not get the Win12 AI PC sticker.

Maybe it's because I'm old but I find this uncanny. It's impressive but kinda scary how accurate the summary is. It's better than most humans are able to do.

Skynet is coming. Prepare the lube.
 
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adroc_thurston

Diamond Member
Jul 2, 2023
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Well, I mean in the sense that if windows on arm does well then other companies can make processors for it
That's kinda the thing, as a new entrant you have to be meaningfully better to win slots and move volumes.
Apple move to homegrown Si worked because their parts just rolled over contemporary Intel stuffs.
It opens the floodgates and drives down the cost of processors for windows
leave his soul alone, dolan.
Right now though, Qualcomm isn't really viable.
QC stuff is very alright, just that they promised a moonshot and delivered incrementalism.
 
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Saylick

Diamond Member
Sep 10, 2012
3,381
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Maybe it's because I'm old but I find this uncanny. It's impressive but kinda scary how accurate the summary is. It's better than most humans are able to do.

Skynet is coming. Prepare the lube.
It's not that accurate...

I give you Exhibit A:

Reality, however?

1) MLID is not a forum member.
2) MLID didn't say that. No only did he not say that, he wasn't even the one talking. In fact, what really happened was that AMDK11 joked that MLID will run with 30% IPC claims after hearing about it performing that well in one test.
MLID will get information from someone that in some one test out of the entire field of tests, the Zen5 IPC growth curve shows a 30% IPC increase, and MLID will rudely announce that Zen5 has a +30% IPC increase.

This reminds me of how Google's AI Overview is getting a bunch of info wrong, because it found one instance of some random person claiming something on the internet, so it regurgitates it without having a way to check if the claim was true or not.
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
25,738
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It's not that accurate...

I give you Exhibit A:


Reality, however?

1) MLID is not a forum member.
2) MLID didn't say that. No only did he not say that, he wasn't even the one talking. In fact, what really happened was that AMDK11 joked that MLID will run with 30% IPC claims after hearing about it performing that well in one test.


This reminds me of how Google's AI Overview is getting a bunch of info wrong, because it found one instance of some random person claiming something on the internet, so it regurgitates it without having a way to check if the claim was true or not.
I agree. Now I have only been reading for a few MONTHS, but even I know the 16% is CLOSE to an average, but some benchmarks are as high as 40% over Zen 4. And I also know that server,desktop,mobile are all in different worlds and will have different uplifts, and the difference may be a lot.

As I have said before AI is in its infancy, most of the time not even close today or anytime in the near future. Give it 20-30 years......And then, it may only as smart as a 5 year old. My 6 year old grandson is already so far above AI, its not funny.
 

Hail The Brain Slug

Diamond Member
Oct 10, 2005
3,228
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Acquired the correct version, running it now.

7950X stock with 2x16GB 6000C30 EXPO

View attachment 101819

Quite a bit slower, but my memory config is worse. I used to have a stable 6400C30 2133FCLK config with this ram but it's lost in a bios backup that is not plaintext and doesn't restore onto the current version. Maybe I'll finally get around to flashing back to extract that config.
I recovered my old config. It only improved the rate marginally.
 

poke01

Golden Member
Mar 8, 2022
1,379
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As I have said before AI is in its infancy, most of the time not even close today or anytime in the near future. Give it 20-30 years......And then, it may only as smart as a 5 year old. My 6 year old grandson is already so far above AI, it’s not funny.
your grandson will still be smarter than any A.I., the best intelligence is the human brain.


If you seen Psycho Pass you will get that reference, it’s why I don’t like AI to become mainstream and seep into society. What we see in Psycho Pass is A.I. at its worst. A society devoid of human trust and intuition.
 

inquiss

Member
Oct 13, 2010
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160
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That's kinda the thing, as a new entrant you have to be meaningfully better to win slots and move volumes.
Apple move to homegrown Si worked because their parts just rolled over contemporary Intel stuffs.

leave his soul alone, dolan.

QC stuff is very alright, just that they promised a moonshot and delivered incrementalism.
If it's successful it does open windows to the mobile processor companies. The chip is fine, it's late. It is good but I'm expected and to clean up. That lack of compatibility to x86 is the downfall in my opinion. Might be worked out in a gen or two.
 

inquiss

Member
Oct 13, 2010
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160
106
No?
They gotta ship better IP than x86 incumbents.

Well yeah that's why wintel is eternal.
They would have, to, yes. If Qualcomm did this successfully it would mean a reason to invest for ARM software..right now that's costly. Qualcomm being successful creates a feedback loop. If Qualcomm is successful , that is. And this round they shouldn't be.
 

soresu

Platinum Member
Dec 19, 2014
2,941
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Yeah exactly. They want more entrants, not just to switch the power between intel and AMD. They want competition and making windows rely on ARM means lower barrier to entry. Still, lack of proper x86 compatibility means a hard no. We're a generation or two away from their goal.
At the end of the day it's all for nothing if they mess up on their end though.

Win12 needs to not make some new wild UI swing or DX flashiness and just concentrate entirely on optimisation of what they already have.
 

FlameTail

Diamond Member
Dec 15, 2021
3,144
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That's how it originally was.
Well, it was also 8 Z5 + 4 Z4c even before that.
Interesting. Zen5 abd Zen4 mixing?
M3 Pro has 6 weenies and Intel 28-35W parts also have 8 Atoms.
S'fine.
I was thinking about that. For a long time, it seemed like four 'e-cores' was the sweet spot.

Apple M1, M2, M2 Pro/Max, M3, M3 Max, Apple A12-A17, Qualcomm 8cx Gen 3, Snapdragon 855,865, 888, 8G1... They all had four 'e-cores' of some form. It seemed like 4 was the speed spot.

But in recent times, it seems we are moving away from four to a higher number. M3 Pro had 6 E-cores. Now the M4 also has 6 E-cores. Qualcomm's upcoming 8G4 has 6 e-cores.

AMD has gone further by implementing 8 'e-cores' in Strix Point.
 

adroc_thurston

Diamond Member
Jul 2, 2023
3,311
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Zen5 abd Zen4 mixing?
From way back when, yes.
For a long time, it seemed like four 'e-cores' was the sweet spot.
It still is for low power clusters.
But not everything is a low power cluster.
M3 Pro had 6 E-cores. Now the M4 also has 6 E-cores. Qualcomm's upcoming 8G4 has 6 e-cores.
Cheap nT is cheap.
AMD has gone further by implementing 8 'e-cores' in Strix Point.
Yessir need to hit that cost point.
 

Ghostsonplanets

Senior member
Mar 1, 2024
536
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At the end of the day it's all for nothing if they mess up on their end though.

Win12 needs to not make some new wild UI swing or DX flashiness and just concentrate entirely on optimisation of what they already have.
Hard to do with current Windows structure, team and Microsoft leadership.

Windows 11 is nothing short of a mess from a usability and user first perspective. The last rock solid polish Windows version was 8.1
 

soresu

Platinum Member
Dec 19, 2014
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I'd be interested to know what difference there will be to cache dependency (and therefore what advantage V$ will bring) due to this weird dual 4 wide design of Zen5.
 
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