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[H] Radeon PhysX GPU Acceleration? - Page 3

post #21 of 37
Quote:
Originally Posted by bowman View Post
http://www.tgdaily.com/content/view/38137/135/

It's real, apparently. Those clever Israelis. Mobile phones, laser artillery, UAVs, satellites, Core 2 Duo and now this.
QFT
Quote:
Originally Posted by RonindeBeatrice View Post
Okay, if this guy did this work in about 10 minutes why don't we have a new Radeon driver with Physx support yet?
because ATI =/= Israeli?
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post #22 of 37
is physx really a a need though, with greater multi-core support coming for games (or should be) the physics process could be loaded onto a thread on a core. I understand though that if physics is run by the processor then you may limit other processes (which are huge as is)

it just seems to be a gimick and nvidia doing this whole bs of "the way it is meant to be played" and choke the market.
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post #23 of 37
Quote:
Originally Posted by rRav3n View Post
is physx really a a need though, with greater multi-core support coming for games (or should be) the physics process could be loaded onto a thread on a core. I understand though that if physics is run by the processor then you may limit other processes (which are huge as is)

it just seems to be a gimick and nvidia doing this whole bs of "the way it is meant to be played" and choke the market.
Yeah it is real. Try playing one of the UT3 PhysX maps without some kind of hardware acceleration (be it separate card or GPU based), even with the fastest nehalem you can get, and have fun counting the individual frames as they go by
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post #24 of 37
Thread Starter 
Quote:
Originally Posted by rRav3n View Post
is physx really a a need though, with greater multi-core support coming for games (or should be) the physics process could be loaded onto a thread on a core. I understand though that if physics is run by the processor then you may limit other processes (which are huge as is)

it just seems to be a gimick and nvidia doing this whole bs of "the way it is meant to be played" and choke the market.
It runs.. a lot faster on the GPU. Particles, objects, materials (cloth, bending, breaking, etc), everything is better off being offloaded to the GPU. Of course it's pointless now because all of physics has been made to run on the CPU, but that will change soon enough.

Try and look up how Nvidia embarrassed Intel's Nehalem particle demo to see why physics are better off on the GPU.
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post #25 of 37
Quote:
Originally Posted by nategr8ns View Post
QFT

because ATI =/= Israeli?
I guess no one told the Canadians they're israeli.
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post #26 of 37
Quote:
Originally Posted by rRav3n View Post
is physx really a a need though, with greater multi-core support coming for games (or should be) the physics process could be loaded onto a thread on a core. I understand though that if physics is run by the processor then you may limit other processes (which are huge as is)

it just seems to be a gimick and nvidia doing this whole bs of "the way it is meant to be played" and choke the market.
Even if you had a second, dedicated CPU doing only physics it still couldn't touch GPU performance where physics is concerned. Physics calculations involves a large number (think thousands) of independent, mostly floating point calculations. GPU's are designed for parallelism and floating point number crunching, whereas CPU's are designed with a very heavy emphasis on sequential code execution and integer/logic computation. 99% of computing tasks run better on and are easier to code for with CPU's. Rasterization/rendering is the original GPU task, but GPGPU usage can accelerate many other problems in ways that a CPU can't. Folding is a good illustration of this, GPU clients slaughter their CPU counterpoints. Physics/collision detection offer many of the same elements, and see similar performance boosts on a GPU.
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post #27 of 37
nVidia being the big dog as set up shop in the PhysX kennel. What will happen to PhysX if it isn't widely adopted by game developers before Intel releases Larabee that will presumeably use Havok as will ATi whe the time comes?

Intel has a way of "convincing" people.
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post #28 of 37
Does anybody know how a "classic" PPU Card with this System and a normal Driver would score?



I was about to buy one as they get really cheap on ebay and I fear AMD is not gone support PhysX officially very soon.
*Not 4 benchmark score but for UT3, btw ^^
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post #29 of 37
I have one, and I have UT3. What are you wanting to know?
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post #30 of 37
Thats one powerful video card right there, i didn't even know there was a DirectX10.1 lol.
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