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Thread: AMD/DICE unveil Mantle, a console-like low-level PC graphics API used by Frostbite 3

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    Default AMD/DICE unveil Mantle, a console-like low-level PC graphics API used by Frostbite 3

    http://www.techspot.com/news/54134-a...rformance.html

    At AMD's GPU14 Tech Day event in Hawaii, alongside the brand new Radeon R9 290X GPU, the company has also unveiled a new development model called 'Mantle'. As a combination of both API specifications and GPU drivers, Mantle will allow developers to fully unlock the graphics potential of the GCN architecture of the new (and likely the previous) Radeon series, through low-level high-performance drivers.

    Battlefield 4 will be the first title to use Mantle, with the technology coming through a free update in December. Mantle brings greater control of the GPU and CPU to game developers, especially in the memory department, which will allow games to harness the full potential of graphics cards. This model will be more similar to what is found on consoles, where developers have huge control over what hardware they use in their games.

    While the technology is still in early stages, EA says it will allow PC game developers to harness even more graphics power than ever before. Where possible, Mantle will be used instead of DirectX 11 on compatible AMD hardware, although it's still compatible with other rendering APIs. AMD claims Mantle enables nine times more draw calls per second than other APIs, which is a huge increase in performance.

    We've been told at the GPU14 Tech Day event that the Mantle API is open, so theoretically Nvidia could purpose the technology in their GPUs. It should also make cross-development between PC and console games a lot easier, and also more incredible for those with a high-performance AMD GPU.

    More information on Mantle will be available at the AMD Developer Summit in November.













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    Seems got alot potential. But who knows , how much it will be utilized by devs in future.

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    They should have provided some numbers, I understand it's not out till December, but I'm sure beta stage numbers would have gone a long way as well.

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    DICE releases Battlefield 4 DirectX vs. Mantle Performance Numbers

    The Battlefield 4 patch with Mantle support was just released. Unfortunately, AMD does not have a driver ready today. As explained in our previous Mantle article, only in CPU limited situations you will gain performance with Mantle. DICE just released some numbers as well, these are their own internal tests showing performance differences in-between DirectX 11.1 and Mantle. DICE created three setups from low to high-end. Now I do have to make this statement; all setups seem to be CPU limited (which will benefit Mantle) which I find to be a little akward. You could say that this respect the DICE results are somewhat flawed and have been catered to make Mantle look good.Entry-level gaming, mainstream gaming, and enthusiast gaming.

    Entry-level Gaming
    - AMD A10-7850K APU, integrated Radeon R7 200 series GPU (512 stream processors, 720 MHz GPU clock) tested at 1280 x 720 pixels resolution. With Mantle, the game yielded about 14 percent higher frame-rates.

    Mainstream level gaming
    - AMD FX-8350 with a Radeon HD 7970 run at 1920 x 1080 pixels resolution with 1x MSAA and "Ultra" preset. Here you'll notice a 26 percent higher frame-rates. However, AMD FX cores offer half the performance per core opposed to Intel Core series processors. Meaning that despite the good results, these tests still have been performed under a very CPU limited situation, and thus that explains the performance boost.

    Enthusiast level gaming
    - An Intel Core i7-3960X CPU with two Radeon R9 290X (CrossFire) graphics. Now here again I find the choice in components versus game resolution weird, as it seems DICE created a CPU limited situation (two cards in Crossfire) at a relatively low 1920 x 1080 resolution, the game is set at "Ultra" preset with 4x MSAA. Here it made all the difference with an 58 percent increase in framerates.
    Personally I feel that you do not invest 900 EUR worth of GPUs and 1000 EUR on a CPU and then will game at 1080P. The test would have been far more reliable if it was done at 2560x1440 with one card or Ultra HD with two cards. Let us know what you think in the forums.

    - - - Updated - - -

    "Note: AMD Catalyst™ 14.1 initially supports the AMD Radeon™ R9 290X, R9 290, R7 260X and “Kaveri” APU"

    Damn that's leaving out a lot of GPUs, specially those who needed it the most.

    Good gains nonetheless.

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    the game graphics engine is good. I dont think many people will even need Mantle.

    But the game bugs are really annoying. Too much crashing and rubber banding. This is one of the worst game QA I have ever seen.

    - - - Updated - - -

    so after reading many sites, it seems like Mantle is more of a cpu patch rather than a gpu patch. LOL. No wonder AMD is going downhill. All these times, they were promoting as if it was good for AMD gpu users but it seems like a marketing lie now. It is more for AMD cpus actually. I dont mind I have FX 8320 though but clearly AMD is allowing the pc market to go to Intel and Nvidia.

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    They posted a clarification, Mantle works for all GCN GPUs but is optimized most for those mentioned above.

    Mantle will reduce CPU overhead and transfer work to the GPU, so if there are CPU bottlenecks then the situation will improve drastically, if there isn't then not so much.

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    Finally some benchmarks out.

    http://www.guru3d.com/articles_pages...preview,1.html

    Huge improvements for CPU bottleneck setups, otherwise its about 10%.

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    i hope they use this for strategy games.

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    TL;DR; Mantle is mostly useless. Most gaming PC are not bottlenecked by CPU.
    The abuse of greatness is when it disjoins remorse from power.
    Please do not PM me for support. You will NOT get a reply. Post in the relevant forum section.

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    It can be useful for MP games but it depends on adoption. Oblivion SP would love this, CSGO could use this too. But I doubt any released game would get support later on.

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