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[TT] AMD's new Zeppelin CPU spotted, features 32 CPU cores - Page 10

post #91 of 111
Quote:
Originally Posted by Carniflex View Post

All companies have these, for example, there is shorter step from "Titan" to "Titanic" than there is from "Zeppelin" to "Hindenburg". Or (I don't remember which one exactly) the case where a company named its product in a way that means male body part in Spanish slang.
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post #92 of 111
what's this now?
post #93 of 111
Quote:
Originally Posted by variant View Post

Zen is not by default an APU. It's a CPU and won't have any integrated GPU. It can be incorporated into an APU and we've already seen a diagram of the 16 core Zen APU.

He does have a point though, the slide in the OP specifically shows a Greenland based GPU on the package with the CPU, not as a separate dedicated GPU in the system. We have seen confirmation that Zen will have a CPU only version for sure, but that does not necessarily mean the 32 core talked about in the OP with the slide means 32 CPU only cores since it does show a GPU with it.
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post #94 of 111
Quote:
Originally Posted by EniGma1987 View Post

He does have a point though, the slide in the OP specifically shows a Greenland based GPU on the package with the CPU, not as a separate dedicated GPU in the system. We have seen confirmation that Zen will have a CPU only version for sure, but that does not necessarily mean the 32 core talked about in the OP with the slide means 32 CPU only cores since it does show a GPU with it.

There's some serious confusion on the information being distributed. There are a bunch of leaks and rumors being mashed together without any semblance of their origins or what they actually mean.

The diagram that TweakTown posted is from last August. The diagram identifies Zeppelin as being an MCM Zen processor. We also have a have a rumor from April to indicate that there is a 16 x86 core Zen APU with Greenland and HBM. Whether or not it will have a 32 core equivalent is unknown. However, there is another rumor that came around the same time stating there will be a Zen CPU with 32 x86 cores and that it will not be an APU.

The recent 'leak' identifying an AMD processor as Zeppelin came from a recent Linux kernel patch note. While it did bring back the word Zeppelin again in regards to a specific model (Model 00h) of Family 17h, that's all we can glean from that particular patch note. However, we know the Family 17h is an AMD processor and will have a 32 x86 core CPU equivalent because of a previous patch note identifying it as such. Also, no where does it says Family 17h Model 00h will have 32 cores, and it definitely says the 32 cores are x86.

The recent patch notes have added legitimacy to rumors from April and August. There will likely be a 16 x86 core APU with a Greenland GPU and HBM as well as a 32 x86 core CPU without any GPU.
Edited by variant - 2/7/16 at 12:14am
post #95 of 111
Well said, and as such from previously released information it could very well land on a am4 board. They are claiming better than 40% improvement over their most recent bulldozer variant core. And if they can even get close to 2.5 - 3Ghz with 32 cores. This thing will be a monster, not only will it have the 32 cores, but also virtual cores like intel. One rack of these 4 cpus with as much ram as you can place on a server board. And you could likely replace 3-4 racks of the precious architecture. The huge core count and high ipc, low latency and the other improvements. I know it's meant for the server market but I can't wait to see this thing in action with benchmarks. Maybe cinebench and ibt.
post #96 of 111
Quote:
Originally Posted by scyy View Post

More cores is extremely helpful for virtualization. That alone could make it great for the datacenter. Sure you can't do much with all that power in one OS so run 15 vm+ VMs on the box with enough memory and it could be great for business if performance was right.

It depends upon the task you're trying to do.

If the task is anything that ISN'T embarrassingly parallel(e.g. most numerical simulations), you'll run into a similar issue.
https://en.wikipedia.org/wiki/Embarrassingly_parallel

Yes, you can send the same CPU to go on and process other tasks, but that won't speed up the original task - it'll still be bound by the slowest thread. If you can nearly-infinitely divide a problem, that's great but many interesting problems do not have that property.

Then there's overhead... communication, concurrency and load balancing are always issues that need to be considered...
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post #97 of 111
Quote:
Originally Posted by Robenger View Post

You're not after a bunch of people started speculating? We do know that there is at least a 40% increase in IPC from Excavator which should be a good boost.

Is this FACT now? Where is the proof?

"50% more performance, with 33% more cores" ring a bell?

I won't believe anything from AMD ever again, until solid proof is given.
Quote:
Originally Posted by delboy67 View Post

It was a little joke, i meant we'll need an ocn suicide watch if zen is sucessful after seeing the emotion pour out of some intel fanboys post, oh and i dont mean the guy i quoted he just seemed up for a joke.

Better yet, start a thread called: "We switched back to AMD, FINALLY"

A lot of the "Intel fanboys" have run AMD gear in the past. Shockingly, a lot of enthusiasts buy based on PURE performance, despite of which camp delivers it. Not everyone is obsessed with Price/Performance.

I bet a lot of people would've switched to AMD IF Bulldozer lived up to the hype.
Quote:
Originally Posted by EniGma1987 View Post

He does have a point though, the slide in the OP specifically shows a Greenland based GPU on the package with the CPU, not as a separate dedicated GPU in the system. We have seen confirmation that Zen will have a CPU only version for sure, but that does not necessarily mean the 32 core talked about in the OP with the slide means 32 CPU only cores since it does show a GPU with it.
Remember this?


Reality


Edited by 2010rig - 2/7/16 at 4:18am
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post #98 of 111
28 out of those 32 cores will be idling in 95% of all scenarios.
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post #99 of 111
Quote:
Originally Posted by Cybertox View Post

28 out of those 32 cores will be idling in 95% of all scenarios.

Maybe not, on a server CPU.
post #100 of 111
I don't think this cpu is for either server or desktop. I think it's more for super computing and compute applications. I don't think 32 cores either, I think it's probably 16 cores but with SMT would be 32 threads.

if any of the past information is correct, Then AMD stuck with the modular approach, but went back to SMT. Where they would have 4 zen cores per module. 4 module design 16 cores. Based on previous apu's we would see something as 16 cores or 32 threads, with a gpu with 2048 shaders (512 shaders x 4) Rather speculative but general idea of what to expect from a "super APU"
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