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[AnandTech] GeForce+Radeon: Previewing DirectX 12 Multi Adapter with Ashes of the Singularity - Page 8

post #71 of 326
Quote:
Originally Posted by xxdarkreap3rxx View Post

It's not untrue that for many games AMD users have to wait longer periods of time for CrossFireX profiles.
took only 7 months for Dying Light. Come on. They're doing well.
post #72 of 326
We are talking about the Broadwell iGPU which outperforms every igpu and many lp dgpus as well. It would do well in DX12 along with a good DGPU.
post #73 of 326
Quote:
Originally Posted by Kollock View Post

Profiles are irrelevant in explicit multi-GPU. In this mode, the driver has no explicity knowledge that is being used in conjunction with another GPU. Synchronization, frame pacing, latency are all being handled by the application. The primary advantage that SLI and crossfire give you is the possibility to share resources between the adapters in a more efficient manner. However, this would manifest itself by using linked mode adapter. For multi adapter approach, the primary thing you need is the ability to use shared adapter resources, with some possible performance benefits if the standard Swizzle format is supported. These are just features of D3D12.

Profiles are a very clunky cludge that was necessary in DX11, in DX12 explicit multi-GPU I do not see how a profile would have any meaningful advantage.


I still haven't decided whether this will be the demise or the rebirth of MGPU solutions. The potential is there - more than it's ever been before, but without being coy not everyone is Oxide, and I mean that as a compliment. I guess the real question is how costly is this to implement, and is the application for it as easy to adopt in something where frame latency is of more importance. That's not to say latency is an issue here, I'm asking as someone who has obviously yet to see explicit MGPU in action. I suppose the real chuckle to be had there, is that frame latency isn't exactly all singing and dancing with profiling methods and AFR at the moment, especially when one is talking about more than two GPU.
post #74 of 326
Quote:
Originally Posted by YellowBlackGod View Post

We are talking about the Broadwell iGPU which outperforms every igpu and many lp dgpus as well. It would do well in DX12 along with a good DGPU.
Yes, but there are like.... 5 CPUs with Iris 6200, and 3 of them are BGA, and the 2 other are LGA. The amount of such sold CPU's is really small, even compared to the AMD APUs. I believe most of them are in Macbooks, and those don't really count for gaming, do they ? Yes, you are correct that it is currently the strongest iGPU (still can't see a comparison with a Carrizo), but it is mainly due to the 128MB eDRAM4. Zen will supposedly have HBM L4, which should destroy Broadwell, and give AMD the APU 1st place again (not like Intel can compete with that, unless they choose to).
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post #75 of 326
Quote:
Originally Posted by xxdarkreap3rxx View Post

It's not untrue that for many games AMD users have to wait longer periods of time for CrossFireX profiles.

This is reality for Xfire. If not for driver support I would very much consider another AMD build. My last AMD build (290s) literally left me waiting months on end for Xfire support for modern titles. When Xfire works it scales very well, but given I like to play titles upon release the notion of waiting months for driver support is simply unacceptable. This reality has nothing to do with any type of bias, as many current SLI user on this forum and otherwise would be more than happy use Xfire.
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post #76 of 326
I wish it would be true because I would gladly switch to AMD if Zen is good.But since Zen is yet to be released we are talking about broadwell. :-) and especially the 5775c.
post #77 of 326
Quote:
Originally Posted by Woundingchaney View Post

This is reality for Xfire. If not for driver support I would very much consider another AMD build. My last AMD build (290s) literally left me waiting months on end for Xfire support for modern titles. When Xfire works it scales very well, but given I like to play titles upon release the notion of waiting months for driver support is simply unacceptable. This reality has nothing to do with any type of bias, as many current SLI user on this forum and otherwise would be more than happy use Xfire.

That's why I sold my two 290X cards and bought two GTX 980 cards. CrossFireX in Far Cry 4 was not very good at all and Dying Light had no profile.
post #78 of 326
Hmmmmm I wonder how the 7850k would fare with a nice GPU slapped with it.
Sorry AMD
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Sorry AMD
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post #79 of 326
Quote:
Originally Posted by Noufel View Post

i can't believe my eyes, the war has finaly ended grouphug.gif

Not until no one plays only DirectX 12, 13, and 14 games.

Unless you are going to throw away every single game you own that uses DirectX 9, 10, and 11 ... none of this actually matters.
post #80 of 326
Quote:
Originally Posted by 47 Knucklehead View Post

Not until no one plays only DirectX 12, 13, and 14 games.

Unless you are going to throw away every single game you own that uses DirectX 9, 10, and 11 ... none of this actually matters.

^This.......

By the time an actual good popular game comes out implementing DirectX12 75% of us will have different gpu's. I didn't buy my 980Ti for DX12. I bought it for how it performs in DX11 games that are current.
I could really give a hoot how my current gpu performs in DX12.
 
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