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[Nvidia] Official CUDA 177.35 drivers - Page 5

post #41 of 100
Quote:
Originally Posted by SZayat View Post
noob question: will this work with a G80 card? and why should I install it?
As I understand it, enabling on-card physics will do two things: (1) offload physics calculations (e.g. dispersal and trajectory of exploded materials) from cpu to gpu, and (2) activate enhanced physics on the gpu. I had thought that only the g92s and later cards shipped with this capability, but it sounds like folks are able to activate on on their g80s, with a little software modification (someone else will have to tell you how to do that).

Offloading from cpu will enhance cpu performance, apparently without causing a (significant) decrease in gpu performance (in fact, according to threads on this site and others, folks are getting more fps; it looks like the on-card hardware that does this stuff (CUDA) was just sitting there, doing nothing or not much until now). Activating on-card physics computing will give us better explosions and stuff...better interaction with objects in general, more "world" to interact with and affect.

I'm gonna wait until these drivers are WHQL-released for the 8800, which should happen some time this month, supposedly.

This "explanation" can certainly be improved upon...please feel free to do so...

edit: it sounds like CUDA is a programming language, not hardware, and thus there may be more of a performance hit on the gpu than I thought. Sorry.
Edited by seward - 7/2/08 at 5:43pm
post #42 of 100
So will this only give better performance in games that use PhysX instead of Havok or any other physics software?
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post #43 of 100
Quote:
Originally Posted by Nuxes View Post
So will this only give better performance in games that use PhysX instead of Havok or any other physics software?
It will actually give you lower fps in physx accelerated games because it's using a portion of the GPU for physx.

In non physx games, it won't make a difference.
post #44 of 100
reports on performance?
    
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post #45 of 100
So which drivers enable physx for the 8800GT? .40 .41, or these whql drivers?
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post #46 of 100
the drivers seem to work great for everything except cod4 which instantly crashes when the server spawns me. They are only beta's i guess.
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post #47 of 100
I installed the CUDA driver (beta) and the latest physx drivers. I am now able to use the GPU FAH client for Nvidia. However, I'm unable to use my GPU for physx (it's grayed out).
    
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post #48 of 100
The 8600 cards are G80 derivatives, so you will need to wait until nvidia releases the G80 drivers.
post #49 of 100
wohoo
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post #50 of 100
damn these drivers SUCK big time!!! i got lower score in vantage .. GPU score from 5300(with .39) to 5180... and CPU score from 26000 to 25000 . P preset
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