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PhysX + Cellfactor = great fun.

The videos you did yourself seem to run at a poor frame rate and have constant hitching every time the physx processor is called upon. Would this be an accurate representation of the game itself?

Paying £200 to play at 1024*768 with 15fps doesn't sound like a whole lot of fun to me. It doesn't matter how mind blowing the interactions are if your watching a slide show.

I'm still sure that bandwith or CPU limitations have something to do with this poor performance? For example the Playstation 3 has a 35GB/s interface between the RSX and Cell which should allow the 7 SPE's to do their job efficiently as shown by Sony in some of the tech demos shown at this years Games Developers Conference. I don't know how instancing is handled and how much the CPU is still required for these operations to occur but it is concevable that a streamlined driver could improve the situation somewhat.

It still remains to be seen what the underlying problems are though as it remains a very new technology. It'll be interesting to watch how this thing pans out over the next few months.
 
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Instead of buying now, potentially wasting around £200, you could save £100 by buying when games and the cards themselves have "matured"

I doubt any kind of revolution in physx is going to happen for at least a year, well not until q4 2006 anyway when unreal engine 3 kits the shelves and even then I wonder just how much better will these cards make the fps in unreal engine 3? going by current standards I'm not sure it will be that much.

Looks like they are just releasing them now mainly to make a big bag of money from the technology to punters and by use of the marketting machine have just about accomplished that :/
 
After watching the videos I reckon it looked really nice, but the delay for big explosions must be bloody annoying, can you use with without a phsyx card?
 
Yeah if the Cell Factor demo was available before Graw, then ppl would'nt have bought the PhysX card for it, or even bought the PhysX card at all, i certainly would'nt have if i saw a demo doing 10fps with it. :D
 
ummmmmmmmmmmm......................intresting, ok, i'm not happy with the performance, BUT, I have to say if all games could have physics like this in the future then i'm definitly not going to complain,

I'm running the game at 1280x1024 16AF + HDR and all settings Maxed, using the same settings on oblivion I get worse performance,

36 FPS


The way the liquid comes out this canister is amazing.


21 FPS


All in all i'm pleasantly surprised.
 
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lowrider007 said:
I'm running the game at 1280x1024 16AF + HDR and all settings Maxed and I have to say that using the same settings on oblivion I get worse performance,
Click to expand...

Do you get the same lag and stuttering whenever the PPU is called upon to do something?
 
Vegeta said:
Will this demo work if you dont have a phsyx card?
Click to expand...
You need a PhysX card to run it.


welshtom said:
I expected that to go at 100+ fps.

The graphics arent exactly groundbreaking (textures, shadows etc).

What exactly is that physx doing? (calculating physics slowly by the looks)

Tom
Click to expand...
I was curious how it would look with everything maxed out at 2560x1600, well the slideshow of 0.5fps was quite pretty. Unfortunately at that setting it was so unresponsive I couldn't even get it to make a screenshot.
 
I thought one of the points of these cards was to take the load OFF the cpu while increasing the amount of objects that can get sent flying? All the stuff ive seen point to it putting more of a load on the cpu AND the graphics card :confused:
 
KizZ said:
Is the FPS dropping because the graphics card has to render more objects at certain times e.g. explosions :confused:
Click to expand...


From this thread it apears that the amount of shadows the gfx card has to render is affecting performance.
 
KizZ said:
Is the FPS dropping because the graphics card has to render more objects at certain times e.g. explosions :confused:
Click to expand...

I wouldn't have thought so... it even cripples Quad SLI, even at low res, so there's a fatal flaw somewhere in PhysX... it's just yet to be discovered exactly where
 
You would think that since the physx card is generating the debris etc it would also be able to generate the shadows for the debris and take the load off the graphics card.
 
i said it once and i will say it again. this is the most useless piece of technology to ever come to the pc.

usually the rich would buy this card, but in this case only the stupid have bought it.
 
Could there be a problem with information going between the CPU/PPU and Gcard? I`m sure the PCIe system shouldnt be overloaded, but maybe there could be tweaking for information to go straight to the graphics card or something to reduce the delay.

Does the PPU start calculating as soon as a grenade is fired (ie, the game will already know where it will land/bounce + explode), or does it wait for the actual explosion? I`m just wondering because starting the process a little earlier could remove the delays.
 
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