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DirectX 12 Showcase New Features and Benefits of D3D12 API

drunkenmaster said:
If so, nothing new for Nvidia, they did it for DX10. Holding the industry back to cover for their failings. What was worse still was paying a dev to get rid of a DX10.1 update that increased performance for users.... just only users with proper original DX10 support... so AMD users.
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That was AC1?? I seem to remember that
 
Looking forward to DirectX12. :)

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In light of the recent benchmark results showing us 33% ahead in the 3DMark API Overhead Feature Test we published a blog.

AMD enables incredible DirectX® 12 performance in new 3DMark® API Overhead Feature Test

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The mind-boggling data I’ve collected from the 3DMark API Overhead Feature Test is testament to our passion for DirectX® 12 and its promise as a graphics API.

Our software developers are months into their work with companies, like Futuremark®, who want to make the most of our DirectX® 12-ready Graphics Core Next architecture. While such work is never truly finished, the early results are plainly impressive.

There are other factors at work, too! AMD has been working on “low-overhead” or “console-like” APIs for over three years. During that time, we’ve been working with top game developers to establish best practices for these APIs on AMD hardware. We expect game developers to have a head start in having their games work great on AMD hardware as a result. By no coincidence, console game development is also targeted at AMD hardware with a unique set of low-overhead graphics APIs.

Given that DirectX® 12 will be a transformative experience for millions of gamers, it’s important that hardware vendors like AMD have a 360-degree view of the issue. Thankfully, the pervasive nature of the GCN Architecture in the games industry highlights that AMD stands alone with that perspective.

Today’s extraordinary 3DMark® results show that we’re already putting it to good use.
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Source
http://community.amd.com/community/...mance-in-new-3dmark-api-overhead-feature-test
 
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This caught my eye:

Interestingly, AMD shows little to no scaling between the DX11 single threaded and DX11 multi-threaded scores with the API Overhead Feature Test, which gives credence to the idea that AMD's current driver stack is not as optimized for DX11 gaming as it should be.
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That is much more noteworthy than preliminary DX12 numbers. Instead of wasting resources on mantle AMD should have looked at improving their DX11 drivers!


Until D12 is officially released and their are final drivers from both camps looking at call differences between brands is somewhat meaningless.



The other important things is the number of calls is not a good indicator of performance at all. The 980 can get nearly 3X the calls in DX multithreaded mode than the 290X, that doesn't make the 980 3X faster in games!
 
I am looking forward to see what kind of bump in performance DX12 will give for my AMD CPU, I guess it will be a very long time before any games that use it will be released though?
 
opethdisciple said:
Perhaps this will also usher in Intel finally bringing out 6/8 core comsumer level cpu's!
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Why? Draw calls only matter if the game actually requires that many. Current games (outside of Staw Swarm which isn't a game) don't even come close to that. There is no point in more cores if there is no demand for it, also will AMD 8 core CPU's outperform Intel 4 core? If not, I don't see any reason for Intel to actually change anything. At least not anytime soon.
 
Noctifer said:
Why? Draw calls only matter if the game actually requires that many. Current games (outside of Staw Swarm which isn't a game) don't even come close to that. There is no point in more cores if there is no demand for it, also will AMD 8 core CPU's outperform Intel 4 core? If not, I don't see any reason for Intel to actually change anything. At least not anytime soon.
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Intel purposely don't make 8-core CPUs for precisely that reason, no software is really taking advantage of that many cores and it is very difficult to code software that can be parallelized to that extent. Intel did a very smart thing, 4-cores that have higher performance.
 
The real question is, will we get games making full use of this? Or will we have to wait for the consoles to play catch up before we get anything.
 
AthlonXP1800 said:
http://wccftech.com/nvidia-amd-ready-generation-directx-12-api-showcase-features-benefits-d3d12-api/

Really very interesting reading.

It seemed to me DirectX 12 is really revolutionary far beyond anything I ever seen, so far superior to Mantle.

AMD slide showed DirectX 12's undisclosured benchmark with AMD A10 7850K which have just 4 core performed an astounding 2,739,266 drawcalls at 1080p resolution. :eek: Cant imagine what DirectX 12 games will look like with millions drawcalls, my 3770K could push out 4,963,857 drawcalls when compared Passmark CPU Mark against AMD A10 7850K, 8C/16T 5960K could push 8,518,732 drawcalls. :eek:

Nvidia features is very interesting too, we already got MFAA but surprise there will be 2 new AA modes Nvidia not announced yet called polymerization G-Buffer anti-aliasing (Aggregate G-Buffer AA) AGAA and Cumulative anti-aliasing (Accumulative AA) CAAA. AGAA 2A technique delivers quality of 32X MSAA while having the performance penalty of 4X MSAA. :eek:

Wow I am so exciting cant wait to have DirectX 12 driver soon, AGAA seemed very cool feature so don't have a clue what CAAA does.
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If a 7850K if pushing 2.7M Drawcalls then my FX-9590 should be pushing around 7M Drawcalls :eek: om nom nom
 
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