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[TT] AMD's new Zeppelin CPU spotted, features 32 CPU cores - Page 6

post #51 of 111
Quote:
Originally Posted by obligatory ZEN thread post 
This post was generated by AMD ZEN thread detector bot

teaching.gif This is AMD's last chance!....blah blah blah.... ZEN better be a big success or else its the end for AMD!....blah blah
I really hope they can pull through...blah....
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post #52 of 111
As much as I loved my intel machines over the years (2004 >) - I'd really like to see AMD trip intel again. wishful thinking i suppose
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post #53 of 111
Quote:
Originally Posted by axizor View Post

You do realize that the article is titled "AMD's new Zeppelin CPU spotted, features 32 CPU cores", no?

Yeah, I can read thanks. What I meant by that comment is that everyone here is essentially saying that AMD is just going be pulling another bulldozer. Add more cores and be done with it. I think that it's premature to start commenting on the 32 core aspect of the chip because we have very little solid information as to how the cores share data between each other.
Quote:
Any comment regarding the core count is relevant to the discussion.
Now you're really starting to prove that you bleed red.

Well yeah... I'm human.
 
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post #54 of 111
Quote:
Originally Posted by burntheskies View Post

As much as I loved my intel machines over the years (2004 >) - I'd really like to see AMD trip intel again. wishful thinking i suppose

If AMD would be able to release some solid chips, that would be good for the consumer. Intel chip prices are fairly high right now.. I remember buying my 2600k at around the $300 CAD price-point. A 6700k on Newegg Canada costs almost $600 CAD right now. Obviously that's partially because of a low Canadian dollar, but that's still ~$430 USD for a chip.

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post #55 of 111
Quote:
Originally Posted by magnek View Post

Dang, hadn't even thought of that. But since you mentioned it...
Zeppelin is destined to crash and burn like Hindenburg
drum.gifbiggrin.gif

I think they are hoping for it to crash and burn on top of Nvidia's HQ at least.
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post #56 of 111
Quote:
Originally Posted by MadRabbit View Post

That's the point. No one has exactly defined a core so technically they were not wrong.

Perhaps not "wrong", but still grossly misleading.
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post #57 of 111
Quote:
Originally Posted by nakano2k1 View Post

Yeah, I can read thanks. What I meant by that comment is that everyone here is essentially saying that AMD is just going be pulling another bulldozer.

AMD has been playing the core count race for a while now... 4x4 platform which was essentially the brute force approach to competing with Conroe. 2x 6 core CPUs via MCM. It didn't start with Bulldozer.

http://arstechnica.com/gadgets/2006/11/8327/ <- 4x4 platform from 2006
http://arstechnica.com/gadgets/2009/09/amd-makes-tradeoffs-in-upcoming-12-core-server-cpu/ <- Magny-Cores
Edited by xlink - 2/3/16 at 4:43pm
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post #58 of 111
I'm actually pretty satisfied with my A10-7850K as an easy to assemble system. It runs Minecraft respectably well if you pair it with some high speed RAM. I just screwed the motherboard and a power supply to a slab of wood. PC on a Stick I call it.
It's so low profile you could easily mount it all sorts of places, I'm tempted to glue the thing to the back of a monitor and call it an AIO.

I'm really, really hoping their HPC concept gets applied to consumer products. A 300 Watt APU using next gen CPU and GPU architectures would be amazing.
post #59 of 111
Quote:
it's still going to be more than fast enough for gaming

A gtx960 being "more than fast enough" for _a particualr person_ doesn't make it better than a 980ti though, it just makes it a more reasonable option if it's 1/3'rd of the price.

Same for CPU. To make sense to buy, it's either faster - or slower, but cheap enough to justify the performance loss. 2013 performance on a late 2016 launch isn't going to bring performance wins without more cores and the tasks to scale efficiently onto them
Edited by Cyro999 - 2/3/16 at 4:57pm
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post #60 of 111
Quote:
Originally Posted by Tivan View Post

I know that! I was asking how this makes the integer cores into 'integer units', that aren't cores.

Intel also have the floating point units, by the way. (which don't really seem like cores, because they cannot run the PC standalone. But any integer core can function as the computational heart of a computer.)

And Zen has hyper threading as well, they will have 2 threads per core.

Just curious how putting 2 integer core into a module that share non-essential resources for functioning as sole computational unit of a PC, makes em 'units' not cores. They're also units, of cores. Sure. 2 core units per module. Kinda like Intel has 4 core units per quad core. Fun fact, intel quad cores also share some resources between cores. Are they not quadcores but single cores? Or zero core, 4 units?

They sure are, depending on how you want to define em. That's where I'm curious how the guy I asked would define these terms. I just want to gain an insight into a new classification methodology like that, that I'm not too familiar with.


Zen has 4-thread hyperthreading and is NOT doing sub-cores. That's the change. An array of sub-components of the main core are being implemented this time and Zen is NOT using the Piledriver Y shaped core architecture of the previous product ( Bristol Ridge is a Piledriver variant on AM4 but isn't Zen)

http://www.extremetech.com/wp-content/uploads/2015/04/zen.jpg

The "decode" unit has been beefed up with 4-thread capacity - the problem was that in Excavator the Decode units weren't set up with independent thread capacity from the main core. So all integer function will slide right through to the integer system on threads and separate threads can feed the FPscheduler. This is by far a simplified example of the mathmatical function of the cores. If Excavator/Piledriver/Bulldozer/Junkdredger had actually had ACTUAL hyperthreading capacity they'd have performed better than what we got. Goes to show that some people shouldn't be allowed to design CPUs.

Its not the change in the way the chip does mathematics, its the changes in the way it handles threaded tasks, Bulldozer lacked efficient internal automation of multiple thread tasks from an era in which intel capitalized on hyperthread and multi-thread code support. AMD went for brute power that had to be fed in a specific manner and intel went for finesse up-front to be able to respond quickly to changes in load. The end result was that intel's hyperthreading was pushed higher and farther, if AMD had developed an actual functional task scheduler system that kept programs from trying to stick multiple tasks in the same hole they would have fared better. AMD learned from that and has made an "intel style" hyperthread-line CPU with 4 threads handled per core instead of 2. Whether AMD's system will pay off in the long-run is unknown (and whether intel will pay programmers to use code systems that interfere with operation as well).

Interestingly intel is now implementing systems in their chips that AMD has used for a long time (Brisbane) that allow more flexibility in operation as well.

tl;dr

Basically the confusion here is what happens when your tech writers can't be bothered to actually write or understand what they're writing. The Zen "Zeppelin" APU is an 8 core 32 thread processor with an additional Greenland embedded graphics processor (how good of one we don't know, probably the tiny wimpy one they showed in December). Calling it cores is just ignorance and poor journalism.
Edited by prjindigo - 2/3/16 at 5:44pm
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