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

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soresu

Diamond Member
Dec 19, 2014
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SarahKerrigan said:
What can I say? "It'll work great with our magic future compiler" is a pet peeve of mine.

For some reason.
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AI seems to be the new black in that score.

"Oh ye eventually AI will just recode C into highly optimised assembly"

Or "AI will just translate OpenGL backends into optimised Vulkan"
 
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soresu

Diamond Member
Dec 19, 2014
4,101
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SarahKerrigan said:
"And then a sorcerer is going to come and wake a princess from her eternal sleep and lead us all to a wonderful paradise and..."
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And the reality.....

Shrek_2_Prince_Charming.gif
 
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StinkyPinky

StinkyPinky

Diamond Member
Jul 6, 2002
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Got my laptop today, so far very happy with it. It's the 365/24G model from Bestbuy. Looks great, great display on it. Putting it though its paces a bit and there is only very light fan noise so that's good. Definitely some warmth on the upper part of the chassis however, where the extraction cut out is.

Ram config is 4x6 so it maintains full dual channel, not flex mode which is good.
 
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techjunkie123

Member
May 1, 2024
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StinkyPinky said:
Got my laptop today, so far very happy with it. It's the 365/24G model from Bestbuy. Looks great, great display on it. Putting it though its paces a bit and there is only very light fan noise so that's good. Definitely some warmth on the upper part of the chassis however, where the extraction cut out is.

Ram config is 4x6 so it maintains full dual channel, not flex mode which is good.
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I'd be curious to know what your impressions of battery life are.
 
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igor_kavinski

Lifer
Jul 27, 2020
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StinkyPinky said:
Got my laptop today, so far very happy with it. It's the 365/24G model from Bestbuy.
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Benchmark requests!

GB6.3 with and without SMT. GB5 if you want to.

MaxxMem2 with/without SMT.

Rapydmark on High Setting with/without SMT.

Unigine Superposition 1080p Extreme.

Unigine Superposition 1080p Low with/without SMT.

SilverBench online Normal and Extreme with/without SMT.

You need to do these. These are Igor's recommended validation tests. Upon posting your scores, I shall grant you the official Igor_Kavinski certified logo.
 
yottabit

yottabit

Golden Member
Jun 5, 2008
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igor_kavinski said:
Weird. I thought it made sense with so many screwy conditionals.
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It was a joke but it wasn’t meant to be (at least completely) at your expense. No one would ever intentionally add branchiness to their code to “optimize”, but branchy code is (at least on paper) where I’d expect to see the greatest uplift from the new Zen5 frontend.

So if you wanted to purpose build an app to exaggerate the uplift of Zen5 over the competition, maybe branchy code could do that. While still being net slower than a comparable optimized program.

This is why I’m a bit taken aback by the “you’ll need to see code compiled for Zen5 to really take advantage of it” because looking at the architecture on paper, I would have expected the opposite - a CPU that excels on unoptimized, branchy code. At least if the new front end lived up to the hype.

Beyond taking advantage of AVX instructions nothing jumps out as particularly obvious ways to me as ways to optimize for Zen5. But I’m also only a hobbyist at programming
 
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