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[nvidia's blog] GDC - NVIDIA, AMD, Intel Explain How OpenGL Can Unlock 7-15x Performance Gains

post #1 of 98
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Quote:
If you want to get a developer’s attention, all you need to do is start dropping whole numbers.

Offer something that’s not 1.2 times better — but two or three times better — you know you’ve got them.

That’s the good news we teamed up with AMD and Intel to deliver at this week’s Game Developer Conference in San Francisco.

GDCLogoAMD’s Graham Sellers, Intel’s Tim Foley, and our own Cass Everitt and John McDonald appeared on the same panel to explain the high-level concepts available in today’s OpenGL implementations that reduce driver overhead by up to 10x or more.

With OpenGL, an open, vendor-neutral standard, developers can get significantly better performance – up to 1.3 times. But with a little tuning, they can get 7 to 15 times more performance.

That’s a figure that will make any developer sit up and listen.

Better still: the techniques presented apply to all major vendors and are suitable for use across multiple platforms. And they brought demos, showing what these improvements mean on real world systems.

That’s because OpenGL can cut through the driver overhead that has been a frustrating reality for game developers since the beginning of the PC game industry.

On desktop systems, driver overhead can decrease frame rate. On mobile devices, however, driver overhead is even more insidious, robbing both battery life and frame rate.

- See more at: http://blogs.nvidia.com/blog/2014/03/20/opengl-gdc2014/#sthash.O4b2RW70.dpuf

http://blogs.nvidia.com/blog/2014/03/20/opengl-gdc2014/

a 130 slide presentation is in the source
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post #2 of 98
nvidia, amd AND intel teaming up to convince developers to use OGL instead of DX? O_O

Woah thats trippy son
post #3 of 98
I can't wait until something in the graphics department emerges that actually does something significant (like 10x higher minimum FPS). Having to buy new GPUs every other year to play the latest games at high res needs to end.

Games are almost the same texture-wise since 2010. Just move up close to an object in [insert any game name here] and it looks all pixelated. My opinion if a GPU is $600+, enabling AA to smooth out the edges on these recycled textures shouldn't even stress GPUs anymore.
post #4 of 98
The fact that all three of these companies are talking about this, is a decent sign that this could actually happen. Interested in seeing how this all develops.
post #5 of 98
I'm cynical enough to think that Nvidia and AMD don't really like this.

Faster performance through software = less gpu sales

Of course you can make graphics look better but still.
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post #6 of 98
Quote:
Originally Posted by i7monkey View Post

I'm cynical enough to think that Nvidia and AMD don't really like this.

Faster performance through software = less gpu sales

Of course you can make graphics look better but still.

i highly doubt its that simple
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post #7 of 98
I'm shocked. AMD is helping champion OGL, NOW, with their Mantle project still ongoing?!

I mean, I totally could have seen this a few years ago, or even a few years from now if mantle doesn't get traction, but the timing now is just so wrong.


And as for Nvidia getting onboard with a vendor neutral standard... wut?


Intel I can see. They have literally nothing to lose from this and everything to gain.

Quote:
Originally Posted by i7monkey View Post

I'm cynical enough to think that Nvidia and AMD don't really like this.

Faster performance through software = less gpu sales

Of course you can make graphics look better but still.

You will never have too much graphical processing power. A 780ti makes an entire bank of SLi 8800s (not too long ago hailed as the holy grail of GPUs) look like garbage, and yet people are still shoving multiple 780ti's in their system and begging for something even more powerful to replace them. Software can scale infinitely. More hardware just means more potential for the software to exploit.
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post #8 of 98
Quote:
Originally Posted by i7monkey View Post

I'm cynical enough to think that Nvidia and AMD don't really like this.

Faster performance through software = less gpu sales

Of course you can make graphics look better but still.

It could mean a couple things. They could have longer lives for each series of cards which could less production costs over time and less compulsion to update their line of cards. It also could mean it would cost less money (for the consumer) to make a well performing gaming machine, which would attract more customers. Those reasons seem more beneficial than keeping it the way it is.
post #9 of 98
Quote:
Originally Posted by Forsakenfire View Post

It could mean a couple things. They could have longer lives for each series of cards which could less production costs over time and less compulsion to update their line of cards. It also could mean it would cost less money (for the consumer) to make a well performing gaming machine, which would attract more customers. Those reasons seem more beneficial than keeping it the way it is.
Also more cpu independence

Are there more slides btw? I felt like I was missing a block of slides form Intel and AMD while Nvidia had 2 blocks.
post #10 of 98
Quote:
Originally Posted by AlaskaFox View Post

nvidia, amd AND intel teaming up to convince developers to use OGL instead of DX? O_O

Woah thats trippy son

It's a pretty obvious evolution though, given that progress smaller production processes is slow and problematic on both sides of the game (Intel / AMD+Nvidia , GPU / CPU).

As long as they were able to make the hardware perform better, there was no need for better software. Now that the growth in hardware performance is limited they're finally tackling the overhead in the software dep.

Not a day too soon IMO.
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