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Guru3D.com » News » AMD Could Do DLSS Alternative with Radeon VII through DirectML API

AMD Could Do DLSS Alternative with Radeon VII through DirectML API

by Hilbert Hagedoorn on: 01/17/2019 11:05 AM | source: pcgameshardware | 128 comment(s)
AMD Could Do DLSS Alternative with Radeon VII through DirectML API

There is an interesting development, as you know the GeForce RTX graphics cards have tensor cores, dedicated cores for optimizing and accelerating anything AI and Deep Learning. A spawn from that technology for gaming is DLSS, which NVIDIA is marketing strongly. With the October 2018 update for Windows 10, Microsoft has released the DirectML API for DirectX 12. 

ML stands for Machine Learning - and makes it possible to run trained neural networks on any DX12 graphics card. Basically, the Deep Learning optimization or algorithm if you will, becomes a shader that can be run over the traditional shader engine, without a need for tensor cores. In an interview with AMD they mention that the team is working on this and it seems, Radeon VII seems very well suited for the new API. Japanese website 4gamer.net spoke with AMD marketing manager Adam Kozak, AMD is currently testing DirectML with Radeon VII and was positively impressed by the results, and that is exciting news for AMD offering them an AI/DL alternative.

While AMD is testing this on Radeon VII, logic obviously dictates that it would work well on Radeon RX Vega 64 and Radeon RX Vega 56 as well. This allows, for example, an alternative implementation to Nvidia's DLSS. 

Only 1+1=2

Of course, should this become an actual supported thing, then it can't be addressed AMD alone, this question remains: will game developers actually implement, experiment and integrate support for DX ML into games?

It also has to be said, it works reversed, DirectML could also make use of Nvidia's Tensor cores, certainly giving them an advantage. As the Radeon card would see a performance hit, whereas the RTX cards can simply offload the algorithm towards its Tensor cores. Time will tell, but this certainly is an interesting development as long as your graphics card is powerful enough, of course.

 



AMD Could Do DLSS Alternative with Radeon VII through DirectML API




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RooiKreef
Senior Member



Posts: 410
Joined: 2016-06-08

#5628698 Posted on: 01/17/2019 12:03 PM
Nvidia be like: "You need our PhysX chip, CUDA cores, tensor cores, Gsync module for those things!"
AMD be like: "Hold my beer..."
Lol! That’s a good one.

Fediuld
Senior Member



Posts: 768
Joined: 2016-10-04

#5628701 Posted on: 01/17/2019 12:09 PM
IAMD can do it with brute force, Nvidia tries to be "smarter" here and run it via specialised hardware. If you read Hilbert's article, it might do just the same on AMD's hardware, just might need more horsepower to do so.


Which Vega (both 10 & 20) has that horsepower to do DirectML it via GPGPU as per AMD when asked about this. Also on the same answer AMD said that RVII is 62-65% faster than the RTX2080 in Luxmark ray tracing benchmark, Which is using OpenCL based ray tracing. (Vega 64 is also 3% faster than RTX2080 on this benchmark).

HWgeek
Senior Member



Posts: 441
Joined: 2005-04-04

#5628704 Posted on: 01/17/2019 12:20 PM
Vega (10/20) Cards support Double the GFLOPS on FP16 so they gonna perform much better with DirectML (it can use FP16 when released)- See more info on my comment on other thread:
https://forums.guru3d.com/threads/amd-announces-radeon-vii-7nm.424782/page-11#post-5628107

I also think that it's is the same like it was with Gsync/FreeSync, NV just made users to be first Beta Testers for this tech before it gonna be Free.

Denial
Senior Member



Posts: 14040
Joined: 2004-05-16

#5628709 Posted on: 01/17/2019 12:38 PM
Vega (10/20) Cards support Double the GFLOPS on FP16 so they gonna perform much better with DirectML (it can use FP16 when released)- See more info on my comment on other thread:
https://forums.guru3d.com/threads/amd-announces-radeon-vii-7nm.424782/page-11#post-5628107

I also think that it's is the same like it was with Gsync/FreeSync, NV just made users to be first Beta Testers for this tech before it gonna be Free.

DLSS is free. Turing still has an advantage because of the tensors, which DirectML can leverage.

dr_rus
Senior Member



Posts: 3465
Joined: 2007-04-17

#5628711 Posted on: 01/17/2019 12:40 PM
DirectML is an API. DLSS can work via DirectML as well once it will actually be available. The bulk of effort however is in developing DLSS itself, not in choosing an API which is will run through. DLSS running via NV's own NGX right now doesn't cost anything to end user.

What AMD will actually need though to make something like DLSS work are tensor cores. Which none of their GPUs have right now.

Vega (10/20) Cards support Double the GFLOPS on FP16

All Turing cards support double rate FP16 on main SIMDs.

26 pages « 2 3 4 5 > »


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