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AMD’s DirectX 12 Advantage Explained – GCN Architecture More Friendly To Parallelism Than Maxwell

bru said:
You gotta love pieces like that, that say I wont make many comments about bias and unfair play, knowing full well that all the posts that will follow will only be about that side of things.

For me the most interesting piece of info in there was.

Obviously a far cry from the AMD never get hands on with developers and NVidia are permanently camped in their offices, attitude some have suggested.

The BIG question is, when did NVidia know that Async Compute could be the next big thing, before of after Pascal's initial design.

If they were in time than the whole thing is pretty much a non issue, it might mean AMD get a couple of 'really' good benchmark wins before the next generation of GPU's hit us in the middle of next year, which certainly should benefit AMD as a company.

If NVidia wasn't in time then it might the next gen GPU's quite interesting.

Only time will tell. :)
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3 visits when they've been working so closely with them since the inception of Mantle (RIP) is hardly what I'd call a *lot* tbh ;)
 
This is AMD's last hope IMO. All of the other things they have invented have never come to fruition and there's only so many times you can do that and remain in contention.

Me? I really couldn't give a toss either way. Since getting my Fury X I've had a lot of time to think and a lot of time sitting here on my ass doing nothing because there just aren't any decent games around at the moment. Sure, there are clones of clones (like Dying Light) that play perfectly well but nothing I've not seen before.

All I care about right now (and the only reason I built my new PC) is Fallout 4. And that won't take a lot of brawn to get right so I'm happy to leave my rig exactly as it is. Do I hope DX12 will work better on AMD and see better frame rates? sure I do, but there needs to be the games (and more importantly the ones I want to actually play) for it to mean anything to me at all and right now there is nothing getting me excited about DX12.

Fallout 4, Mirror's Edge 2.. Seriously other than that I am struggling to see any future in PC gaming at all. Being an Aspie I don't really like fantasy (which is a bit hypocritical because I went head over heels for Fallout 3 and New Vegas) but other than those two in the past decade? there really ain't much standing out to me.

Grid 2, Grid 3, Grid 4... Yawn (yes I know two of those don't exist but you get my thinking..)

For all of this hardware to be worth the money it needs to pay back with the games. And it just totally doesn't. Sequels, FFS we've even had horrible prequels (Borderlands the pre sequel was awful !)

I think once Fallout 4 comes out and I try desperately to recuperate some of the stupid amount of money I have thrown at my rig and I'm done and finished with it I am going to need to sit down and think long and hard as to worth PC gaming is worth the money.

Course, there's no argument, it's not. One decent game a year if we are lucky and that's about it. And the last decent game I played on a PC (South Park) I completed running a old ES 6 core Westmere clocked to 1.7ghz and a bloody GTX 480 Lightning because that was all it took.
 
bru said:
The BIG question is, when did NVidia know that Async Compute could be the next big thing, before of after Pascal's initial design.

If they were in time than the whole thing is pretty much a non issue, it might mean AMD get a couple of 'really' good benchmark wins before the next generation of GPU's hit us in the middle of next year, which certainly should benefit AMD as a company.

If NVidia wasn't in time then it might the next gen GPU's quite interesting.

Only time will tell. :)
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Do nVIDIA upgrade for free all the current cards sold or that there will be sold? :)
 
ALXAndy said:
snip.
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Thats just bizare, I have three games installed right now I need to finish plus another three I know will be out in the next few months, plus stuff like star citizen, then theirs VR coming out early next year

I don't know how ill find enough time to fit all the games I want in, and I don't even have a day job to contend with
 
bru said:
For me the most interesting piece of info in there was.

Obviously a far cry from the AMD never get hands on with developers and NVidia are permanently camped in their offices, attitude some have suggested.

The BIG question is, when did NVidia know that Async Compute could be the next big thing, before of after Pascal's initial design.

If they were in time than the whole thing is pretty much a non issue, it might mean AMD get a couple of 'really' good benchmark wins before the next generation of GPU's hit us in the middle of next year, which certainly should benefit AMD as a company.

If NVidia wasn't in time then it might the next gen GPU's quite interesting.

Only time will tell. :)
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If you read on though - he mentioned the volume of interaction with nVidia compared to AMD in actual day to day communications which was very different ;)

"Nvidia was actually a far more active collaborator over the summer then AMD was, If you judged from email traffic and code-checkins, you'd draw the conclusion we were working closer with Nvidia rather than AMD"

nVidia started the ground work with Kepler where things like Instruction Level Parallelism were improved - while not directly related to async shaders its all part of the framework, this was iterated on again through the Maxwell development cycle however at the end of the day Maxwell is making the best job of DX11 while stuck on 28nm and had a lot of compute functionality reduced (hence why I believe they will be focusing on bigger Pascal GPUs early on as they do have commercial obligations that Maxwell can't fulfil).

Another thing that complicates things is that nVidia have focused on exposing those kind of features through CUDA as upto this point there hasn't been a need for it via DX.

End of the day the Fury's DX12 performance is extremely crippled* by being on 28nm and if you are really bothered by DX12 performance then upcoming GPUs (from both sides) are going to crush anything out today in that respect.


* If you ported both the FuryX and 980ti to 16nm ff+ and expanded on their capabilities as the process would allow for without any fundamental architecture changes then in DX12 it would be no competition the 980ti would look very sad - but you aren't going to unlock that on the 28nm implementations of those cards.
 
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JediFragger said:
Nothing is free lad. For AMD users then better DX12 performance has been paid for with worse DX11 performance ;)
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Exactly my friend, the fact that nVIDIA will bring something better next year, hold little to those who buy or already both it until now. On the other hand, AMD hardware will get a free boost once again and also keep their value fora future resell.

Of course, time will tell and put some light on all this "madness", I for one just hope for what Johan said he wanted the target to be in the near future: dx12 and wddm as minimum req. It's the only way to push things further. :)
 
layte said:
https://forum.beyond3d.com/posts/1868868/

It's a real shame that Mahigan is actively avoiding posting his copy/paste on the one forum that would be the perfect place to discuss this. I wonder why.

One interesting thing from all this. AMD are not looking to be in a very good position at all if you read between the lines. Oxide have put together an engine that favours GCN to such an extent that it messes with Maxwell (overuse of async shading being the new tessellation for AMD sponsored games perhaps) enough for Nvidia to request that async shading is disabled for their cards, yet Fiji is only competitive with the 980ti rather than pulling ahead by a noticeable margin.

We really need more tests on this.
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B3D got crap years ago and became an NVidia fanboy heaven. once the devs left that is.

if some of those are actively trying to discredit oxide - they need to put up and buy into it , so they can actually do what they say. but the little children wont.
 
Calin Banc said:
Exactly my friend, the fact that nVIDIA will bring something better next year, hold little to those who buy or already both it until now. On the other hand, AMD hardware will get a free boost once again and also keep their value fora future resell.

Of course, time will tell and put some light on all this "madness", I for one just hope for what Johan said he wanted the target to be in the near future: dx12 and wddm as minimum req. It's the only way to push things further. :)
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You're right. I'll be enjoying my great DX11 performance for the next 12/18 months then be switching (to whichever vendor) when DX12 is rife :)
 
Harlequin said:
B3D got crap years ago and became an NVidia fanboy heaven. once the devs left that is.

if some of those are actively trying to discredit oxide - they need to put up and buy into it , so they can actually do what they say. but the little children wont.
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lol

It's been the best place for DX12 discussion, for quite some time. Cutting through all the PR shenanigans about feature levels and the like. It's suspicious that the one place that would be perfect to discuss Mahigans claims is the one place he is avoiding.
 
layte said:
lol

It's been the best place for DX12 discussion, for quite some time. Cutting through all the PR shenanigans about feature levels and the like. It's suspicious that the one place that would be perfect to discuss Mahigans claims is the one place he is avoiding.
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no it really hasn't - it was very good when devs posted there (sweeny , carmack etc) , and hardware IHV`s would actually argue about tech on a public forum but they pretty much all gone now , so now you have armchair warriors feeding on the scraps on the tables.
 
Plenty of developers still posting there, and some excellent discussion has been had in recent months on DX12. In fact, it's one of them who pulled up Mahigan on his incorrect assumptions regarding Maxwell.
 
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So has Mahigan. At least we know where one of them is coming from. The other has appeared out of nowhere posting hugely pro AMD pieces (with a nice sprinking of incorrect NV info thrown in to stoke the flames) and appears to have direct access to Oxide dev's. It's all very fishy.
 
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