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[xbitlabs] AMD: We Are On Track With Steamroller Micro-Architecture in 2013. - Page 27  

post #261 of 718
Quote:
Originally Posted by whtchocla7e View Post

Intel to release an 8-core chip is all it takes to send AMD back to stone-age.

Correction: Intel releasing an 8-core chip at the same or similar price points to AMD's offerings, which will never happen unless:
1) Steamroller manages to hit the 30% IPC boost that AMD's promised.
-and-
2) AMD releases a 5+ module variant (decacore+) of SR.

At best, they'll release a hex-core. Any more than that cuts into their profit margins, and Intel is all about the margins.
Edited by PiOfPie - 4/3/13 at 6:10am
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post #262 of 718
I apologize for not reading 27 pages worth of a thread, but my comments:

I don't like it. Why? FX Modules. Cores are supposed to have 1 integer unit, and 1 floating point unit. That's it. Clear and concise. Having more per core is fine. However, calling one integer unit and a share in a floating point unit a core, is... Not okay to me. Sure, it's a nitpick on the marketting, as the could've just called it their processors (FX-8320 for example) a quad core with a better implementation of "hyperthreading" than hyperthreading itself.

Off the nitpicks, I still don't like it anyways. Simply for the fact that it has these FX modules. If I were to do this, I would've abolished the extra ALUs and replace it with a much larger L1 cache, then I'd pop the CPU speeds up with the same or a smaller pipeline. It can work now because the CPU cache has a lot more focus on it and fetch/store stages are now faster to complete.

I currently have an AMD A8-3520. It has four integer units and four FPUs. No more, no less. It is true to what it says to be and operates properly as a true quad core. In all honesty, if I were to build a new desktop, I'd go with either a Phenom II X4 or X6 or an APU.

Yes, an APU has FX modules... But I dunno, I have a weird preference for them... I like them most over any other processors. Not sure why.

Anyways, long story short; these Steamroller cores wont get into my house unless they're in APU form. redface.gif
Edited by elemein - 4/3/13 at 9:06am
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post #263 of 718
Thread Starter 
Quote:
Originally Posted by whtchocla7e View Post

Intel to release an 8-core chip is all it takes to send AMD back to stone-age.

Not if AMD releases a 16 core chip. smile.gif
post #264 of 718
Quote:
Originally Posted by whtchocla7e View Post

Intel to release an 8-core chip is all it takes to send AMD back to stone-age.

They already exist, they are part of the Xeon EP-EN series. And they cost several times your entire rig, keyboard, mouse, screen, and speakers included. Perhaps even your desk, lamp, printer and DSL router, too.
   
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post #265 of 718
Quote:
Originally Posted by Artikbot View Post

They already exist, they are part of the Xeon EP-EN series. And they cost several times your entire rig, keyboard, mouse, screen, and speakers included. Perhaps even your desk, lamp, printer and DSL router, too.
Retail, yes
post #266 of 718
Dang, really hope this is accurate... I'm seriously bored of overclocking these modern Intel chips.
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post #267 of 718
Quote:
Originally Posted by elemein View Post

I apologize for not reading 27 pages worth of a thread, but my comments:

I don't like it. Why? FX Modules. Cores are supposed to have 1 integer unit, and 1 floating point unit. That's it. Clear and concise. Having more per core is fine. However, calling one integer unit and a share in a floating point unit a core, is... Not okay to me. Sure, it's a nitpick on the marketting, as the could've just called it their processors (FX-8320 for example) a quad core with a better implementation of "hyperthreading" than hyperthreading itself.

Off the nitpicks, I still don't like it anyways. Simply for the fact that it has these FX modules. If I were to do this, I would've abolished the extra ALUs and replace it with a much larger L1 cache, then I'd pop the CPU speeds up with the same or a smaller pipeline. It can work now because the CPU cache has a lot more focus on it and fetch/store stages are now faster to complete.

I currently have an AMD A8-3520. It has four integer units and four FPUs. No more, no less. It is true to what it says to be and operates properly as a true quad core. In all honesty, if I were to build a new desktop, I'd go with either a Phenom II X4 or X6 or an APU.

Yes, an APU has FX modules... But I dunno, I have a weird preference for them... I like them most over any other processors. Not sure why.

Anyways, long story short; these Steamroller cores wont get into my house unless they're in APU form. redface.gif

From wikipedia:

"Bulldozer is the first major redesign of AMD’s processor architecture since 2003, when the firm launched its K8 processors, and also features two 128-bit FMA-capable FPUs which can be combined into one 256-bit FPU. This design is accompanied by two integer clusters, each with 4 pipelines (the fetch/decode stage is shared). Bulldozer will also introduce shared L2 cache in the new architecture. AMD's marketing service calls this design a "Module". A 16-threads processor design would feature eight of these "modules",[7] but the operating system will recognize each "module" as two logical cores."

From techreport http://techreport.com/review/19514/amd-bulldozer-architecture-revealed/2

"Although each module has only a single floating-point unit, that FPU should be substantially more capable than past AMD FPUs. You can see the dual integer MMX and 128-bit FMAC units in the diagram above. In a sort of quasi-SMT arrangement, the FPU can track two hardware threads, one for each "parent" core on the module.

The FPU supports nearly all the alphabet-soup extensions to the x86 ISA, up to and including SSSE3, SSE 4.1, 4.2, and Intel's new Advanced Vector Extensions (AVX). AVX allows for higher-throughput processing of graphics, media, and other parallelizable, floating-point-intensive workloads by doubling the width of SIMD vectors from 128 to 256 bits. Bulldozer's 128-bit FMAC units will work together on 256-bit vectors, effectively producing a single 256-bit vector operation per cycle. Intel's Sandy Bridge, due early in 2011, will have two 256-bit vector units capable of producing a 256-bit multiply and a 256-bit add in a single cycle, double Bulldozer's AVX peak."

From Anandtech/AMD http://www.anandtech.com/show/6201/amd-details-its-3rd-gen-steamroller-architecture

" AMD streamlined the large, shared floating point unit in each Steamroller module. There’s no change in the execution capabilities of the FPU, but there’s a reduction in overall area. The MMX unit now shares some hardware with the 128-bit FMAC pipes. AMD wouldn’t offer too many specifics, just to say that the shared hardware only really applied for mutually exclusive MMX/FMA/FP operations and thus wouldn’t result in a performance penalty.

The reduction of pipeline resources is supposed to deliver the same throughput at lower power and area, basically a smarter implementation of the Bulldozer/Piledriver FPU. "

I have an intel Q9450 (yorkfield) as my main system. I don't think anyone would debate against my cpu being a quad. And (unless I am badly mistaken,it has been ages since i checked) it has 4 128bit FPUs. FX processors effectively have either 8x128 or 4x256, so depending on workload IN THEORY they can function as full octos or a mix between 4/8. Now apparently not every software developer out there will bother adapt to this, not much to do about it.
I also have a llano based laptop(my first ever AMD based system) ,the cpu part of it is stars based, old fashioned quad (4C/4T), unlocked, I game with it @2.0Ghz/0.985V.Would exchanged it for a locked A10-4600m (trinity=piledriver) 2M/4C/4T one in a heartbeat.

Piledrivers and newer cpus are clearly better than the old horses (Phenom). Still have a trick or two to learn from sandy/ivy but that's another story.
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post #268 of 718
Quote:
Originally Posted by whtchocla7e View Post

Intel to release an 8-core chip is all it takes to send AMD back to stone-age.

Pay your $1,000+ for it when they do.
post #269 of 718
Quote:
Originally Posted by Capt View Post

Not if AMD releases a 16 core chip. smile.gif

they would have to at that point. can't let intel take the underutilized cores crown, now can they?
post #270 of 718
I hope that this 30% IPC increase happens, it'll put them intel people in a sweat! thumb.gif
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