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[Various] Ashes of the Singularity DX12 Benchmarks - Page 216  

post #2151 of 2682
Exciting stuff. Thanks for the comment, Kollock.
    
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post #2152 of 2682
Quote:
Originally Posted by PostalTwinkie View Post

Are you nuts? It is just getting started now.

Nvidia said there was an issue, developer said there wasn't, and now we are back at there being an issue and work being done on it.

Developer only said it didn't work properly and Nvidia told them to not use it. So apparently it didn't work and we are still in a position where it's up to Nvidia to demonstrate it can work properly on Maxwell 2. Only update from before is that Nvidia has now told the developer that they are actively looking into it.
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post #2153 of 2682
Future results should get more and more interesting after they reach early access. Wonder if Maxwell 2 will actually get better DX12 than DX11 performance once NVIDIA fix async compute on their drivers.
post #2154 of 2682
The table has turned, it's nvidia's turn to be driver limited biggrin.gif
Edited by Noufel - 9/4/15 at 2:27pm
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post #2155 of 2682
Quote:
Originally Posted by Vesku View Post

Developer only said it didn't work properly and Nvidia told them to not use it. So apparently it didn't work and we are still in a position where it's up to Nvidia to demonstrate it can work properly on Maxwell 2. Only update from before is that Nvidia has now told the developer that they are actively looking into it.
Quote:
It could be that the silence from nVIDIA is because they're working on a driver, for DX12, particularly on the Work Distributor portion of the driver. I think nVIDIA has to re-write their entire software scheduler in order to get Async working. I'm not a developer or a programmer. I only understand the hardware engineering side of things.
http://www.overclock.net/t/1569897/various-ashes-of-the-singularity-dx12-benchmarks/2060#post_24378467

So it is software driven, but that's not shocking. The nVIDIA scheduler has two segment in software, the Grid Management Unit and the Work Distributor. The Asynchronous Warp Schedulers are in the SMMs however (hardware).
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post #2156 of 2682
Quote:
Originally Posted by Noufel View Post

The table has turned, it's nvidia's turn to be driver limited biggrin.gif

Might want to go back one page and read the post from Oxide.

thumb.gif

Someone might be gagging the fat lady right now, so let's not get too far ahead of ourselves.
    
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post #2157 of 2682
Quote:
Originally Posted by Mahigan View Post



http://www.overclock.net/t/1569897/various-ashes-of-the-singularity-dx12-benchmarks/2060#post_24378467

So it is software driven, but that's not shocking. The nVIDIA scheduler has two segment in software, the Grid Management Unit and the Work Distributor. The Asynchronous Warp Schedulers are in the SMMs however (hardware).

 

So It's not like CGN that is Fully hardware?

post #2158 of 2682
Quote:
Originally Posted by Mahigan View Post

Quote:
Originally Posted by Vesku View Post

Developer only said it didn't work properly and Nvidia told them to not use it. So apparently it didn't work and we are still in a position where it's up to Nvidia to demonstrate it can work properly on Maxwell 2. Only update from before is that Nvidia has now told the developer that they are actively looking into it.
Quote:
It could be that the silence from nVIDIA is because they're working on a driver, for DX12, particularly on the Work Distributor portion of the driver. I think nVIDIA has to re-write their entire software scheduler in order to get Async working. I'm not a developer or a programmer. I only understand the hardware engineering side of things.
http://www.overclock.net/t/1569897/various-ashes-of-the-singularity-dx12-benchmarks/2060#post_24378467

So it is software driven, but that's not shocking. The nVIDIA scheduler has two segment in software, the Grid Management Unit and the Work Distributor. The Asynchronous Warp Schedulers are in the SMMs however (hardware).
I don't know if the performance gain will be the same as GCN with a simple driver optimization ???
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post #2159 of 2682
Quote:
Originally Posted by Xuper View Post

So It's not like CGN that is Fully hardware?

Nope. That's where you get the "Performance per Watt" figures of Kepler and Maxwell/2. Hardware schedulers take up a lot of power.


Things just got a whole lot more interesting biggrin.gif
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post #2160 of 2682
Quote:
Originally Posted by Noufel View Post

I don't know if the performance gain will be the same as GCN with a simple driver optimization ???

Slower context switching... like AMD said. It depends on the work load. At least now it might be working. If it works for Maxwell 2, in theory, they could make it work for Maxwell. Unless Maxwell's Warp Schedulers don't function Asynchronously.

Why didn't nVIDIA just admit to this in the first place? Why stay silent on the matter. Like I said earlier..

"We're aware of the issue and we're working to get it resolved as quickly as possible".
Edited by Mahigan - 9/4/15 at 2:42pm
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