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[PCPer] AMD Fusion System Architecture Overview - Southern Isle GPUs and Beyond - Page 3

post #21 of 47
I couldn't help but think that every time he said "VLIW is good for gaming, bad for compute" that gaming is going to take a hard hit with the new direction...I'm not sure he mentioned the impact it will have on gaming at all though.

Then common sense tells me, this is still a graphics card and that will [hopefully] be where it shines.

Also slightly on topic, I've been considering all this shift lately to GPU computing and wondering why they don't do away with the main CPU? Well, actually it seems like it will be getting there...it seems like it's going in a direction where the GPU will be the main processing power house and that the CPU will become sort of it's "North Bridge" and just simply direct traffic on a large scale to the GPU.
Edited by fl0w3n - 6/18/11 at 9:20pm
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post #22 of 47
Quote:
Originally Posted by fl0w3n View Post
I couldn't help but think that every time he said "VLIW is good for gaming, bad for compute" that gaming is going to take a hard hit with the new direction...I'm not sure he mentioned the impact it will have on gaming at all though.

Then common sense tells me, this is still a graphics card and that will [hopefully] be where it shines.

Also slightly on topic, I've been considering all this shift lately to GPU computing and wondering why they don't do away with the main CPU? Well, actually it seems like it will be getting there...it seems like it's going in a direction where the GPU will be the main processing power house and that the CPU will become sort of it's "North Bridge" and just simply direct traffic on a large scale to the GPU.
Doesn't the PCI-E need to relay to the CPU? Probably until it has its own interface independent of the CPU then it could start then?
post #23 of 47
Bleh. Hopefully my pair of unlocked 6950's will stay relevant at least until the end of 2012. I'm all for revamping architectures, but I bought my cards with the hope of not "needing" to upgrade for a while.

On a brighter note, I hope this means AMD will finally match or surpass (at least temporarily) Nvidia in compute while simultaneously improving gaming performance. I think it's also crucial for game developers to actually code new games with the SIMD architecture in mind. I heard this was part of the reason the HD6900 series didn't quite perform as well as expected... it switched from VLIW5 to VLIW4.
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post #24 of 47
any idea exactly how long this gcn has been in development?

Quote:
Because Trinity will be VLIW4, it’s likely-to-certain that AMD will have midrange and low-end video cards using VLIW4 because of the importance they place on being able to Crossfire with the APU.
pretty much suggests that radeon 7xxx series cards will not feature gcn (wasn't this the acronym for the gamecube? - can't remember don't have time to check right now - off topic anyways)

we know how cayman competes with fermi in games, but how does it compete in gpgpu applications? and how soon will this REALLY start to matter? AMD appears to be trailing the competition in this regard (as nVidia has been pushing CUDA) since... what g80?

It will be interesting to see how this tech lands... 2012/13 (at the earliest ) is going to be a different landscape then what we have today
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post #25 of 47
Quote:
Originally Posted by amay200 View Post

we know how cayman competes with fermi in games, but how does it compete in gpgpu applications? and how soon will this REALLY start to matter? AMD appears to be trailing the competition in this regard (as nVidia has been pushing CUDA) since... what g80?
AMD has signficantly better CPU-SP and CPU-DP operations then fermi for the price. A single 5970 output WAY more CPU-SP/DP then Fermi ever did. But frankly, AMD doesn't have the languages backing them that well.
post #26 of 47
Quote:
Originally Posted by fl0w3n View Post
Also slightly on topic, I've been considering all this shift lately to GPU computing and wondering why they don't do away with the main CPU? Well, actually it seems like it will be getting there...it seems like it's going in a direction where the GPU will be the main processing power house and that the CPU will become sort of it's "North Bridge" and just simply direct traffic on a large scale to the GPU.
GPGPU is good at simple parallel tasks. CPUs are good at complex/generalized lightly threaded serial tasks. It's like comparing 100 HS math students vs a PhD. The 100 students could get more algebra done but the PhD can do proofs.


Quote:
Originally Posted by amay200 View Post
we know how cayman competes with fermi in games, but how does it compete in gpgpu applications? and how soon will this REALLY start to matter? AMD appears to be trailing the competition in this regard (as nVidia has been pushing CUDA) since... what g80?
Cayman can't compete with Fermi except in "simple" GPGPU applications like brute force password cracking. Anything more advanced and NVIDIA has a huge lead especially with the language.
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post #27 of 47
I'll get new GPUs when games actually need them. I honestly didn't think 3.5 years ago I'd still be using my 8800s still and getting decent framerates. Sadly that's how slowly PC game s are advancing.
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post #28 of 47
Why don't they just make dedicated cards for this kind of stuff? Is there an advantage of having it on the video card?
    
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post #29 of 47
I thought they were just going to shrink the HD6000 series die for the HD7000 series?
If they implement all these nice features in the HD7000 series I think I might upgrade, and
if Bulldozer is gonna deliver, I'll be getting one of the 7000 series AMD cards with it.
post #30 of 47
Quote:
Originally Posted by amay200 View Post
any idea exactly how long this gcn has been in development?

probably since amd merged with ati ...



Quote:
Originally Posted by Foolsmasher View Post
I thought they were just going to shrink the HD6000 series die for the HD7000 series?
If they implement all these nice features in the HD7000 series I think I might upgrade, and
if Bulldozer is gonna deliver, I'll be getting one of the 7000 series AMD cards with it.
read the article its quite good actually
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