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The New Nvidia Physx Software & Graw 2


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#31 Rocky

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Posted 13 August 2008 - 07:52 PM

After some more testing I found basically it is the campaign maps that suck, however the Ageia Island map runs great, 50FPS, so it looks like the other maps were not optimised for PhysX to the same extent as that one. So 8800+ owners can enjoy a free map for the price of that download :thumbsup:

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#32 thales100

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Posted 13 August 2008 - 07:57 PM

What i know for sure is that the result is great, its just like the review at guru3d.com.

The first thing I noticed, much more tree movement based on wind, loads of crap (debris) flying through the air again based on wind direction.
Also dust clouds, which might even be soft particle based, were moving over the ground.
Immediately the game got a little more immersive, though our framerate dropped a little overall, the experience is much richer than what we are used to.
There's just much more happening on that screen.


Edited by thales100, 13 August 2008 - 07:57 PM.

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#33 Rocky

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Posted 13 August 2008 - 08:17 PM

Yeh, but I'm talking about 8800 users :thumbsup: Guru3d are using a monster card (£440 for the GTX280) PLUS ideally they said they also had a dedicated 9600 in there.

I have to disagree with what they said too. The dust clouds were unimpressive and definitely not soft particle based from what I saw, the tree sway was really pretty false, and the debris was minimal.

I'm putting a movie up and people can make their own minds up, personally, I was underwhelmed.

Anyone running a monster rig will obviously run with it on and enjoy the explosions, but anyone who cannot get these effects, I would not think too much about it.

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#34 thales100

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Posted 13 August 2008 - 08:22 PM

Anyone running a monster rig will obviously run with it on and enjoy the explosions, but anyone who cannot get these effects, I would not think too much about it.


Thats what i thought too before playing GRAW 2 with this Nvidia PhysX Extreme, only explosion effects, but definetely not, its a whole new atmosphere, after playing it i have to agree with everything they say. :yes:
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#35 Rocky

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Posted 13 August 2008 - 08:28 PM

When I win the lottery, I'll be right there with ya Thales. :thumbsup:

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#36 thales100

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Posted 13 August 2008 - 08:35 PM

Lol :D
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#37 Rocky

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Posted 13 August 2008 - 09:04 PM

Here's a movie showing the explosions.

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#38 thales100

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Posted 13 August 2008 - 09:06 PM

Ill post some stuff soon bout PhysX Extreme + GRAW 2.
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#39 FI_FlimFlam

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Posted 13 August 2008 - 09:58 PM

Rocky and everyone,

My take on it, is that it only works well with content optimized for it like Ageia Island as Rocky noted earlier. Below is my info and my experience so far.

Let's see:
OS: Windows XP
Video Card: BFG Tech 880GTS 512MB.
RAM: 2 GB DDRII 800 - OCZ brand
CPU: Intel Core2 Duo 6600 at stock (2.4ghz) - no OC'ing
Audio: Creative Sound Blaster Audigy 2
Mobo: Asus P5N32-SLI SE Deluxe
HDD: WD 500MB SataII
Monitor: LG Flatron 22" LCD (L227WTG)

In GRAW2 here's my settings (without listing the Physx setting):

Aspect: 16:10
Refresh: 60
Resolution: 1680x1050
Brightness: 1.0 (middle setting I think)
Environmental Detail: 1.0 (Full)
Texture Quality: High
Texture filtering: Anisotropic 8x
Effects: High
Dynamic Shadows: High
Dynamic lights: On
Post Effects: High
Anti-Aliasing: Off

FPS (First campaign mission, Search and Destroy, used to test):
With Physics Normal, Physx Device None: ~75 dropping to high 50's with explosions
With Physics High, Physx Device None: Not Available
With Physics Normal, Physx Device GForce Physx: ~50 dropping into the low 20's with explosions
With Physics High, Physx Device GForce Physx: (crashed whenever I attempted to load a save game - any save game). Had to start level from beginning and was getting low 20's with no explosions, dipping into the teens when engaging enemies before crashing.
With Physics Xtreme, Physx Device Gforce Physx: Did not attempt.

Weird. Ageia Island didn't have these problems last night and seemed to run smoothly at around 30 fps even the helo engagement didn't stutter. I didn't use FRAPS to get FPS like I did today.

Also of note, I can also select the extreme setting but I did not attempt it.

I also have not downloaded any of the other bonus demos from Nvidia to test or Benchmark with. I'd be interested in seeing how they perform as well.

EDIT: I think it is interesting to note that the FPS seems lower just with the GFORCE Physx enabled even with the setting to normal. Evidently, the my CPU is capable enough to handle the Physics on that setting better than my GPU (which is no slouch) is in addittion to the graphics. If you are not going to enable any higher physics setting, you are most likely NOT going to see any benefit from it performance wise unless you have a second card handling the physics as a dedicated physx processor. At least that it what it would seem to me.

Edited by FI_FlimFlam, 13 August 2008 - 10:03 PM.


#40 thales100

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Posted 13 August 2008 - 11:20 PM

No, not just Ageia Island Map, ive played all campaign with all max settings plus PhysX Extreme activated, all game experience becomes much richer with PhysX Extreme enabled.
GPUs can run PhysX much (up to 10 x) faster than CPUs.
But you need a powerful card to run GRAW 2 with all max settings and PhysX. Geforce 8800 and even a 9800 GTX seems to be not enough, at least running at 1680 x 1050 and up.
Of course you can use two GPUs, one for graphics and the other for PhysX.
Two other reviews bout GRAW 2 + Nvidia PhysX :

HOTHARDWARE
http://www.hothardware.com/

• Foliage that is affected by wind and players movement
• Palm trees that sway in the wind and break from gunfire and explosions
• Destructible objects (houses, wooden/metal fences, watch towers, walls of sandbags)
• Cloth simulation for clotheslines, tents, and camouflage nets
• Kinetic damage from objects like falling roofs
• All impact and explosion effects are simulated using fluid debris

DriverHeaven
http://www.driverhea...p?articleid=122

"Ghost Recon Advanced Warfighter 2 is currently the best real world example of this. The graphical changes are noticeable right from the beginning of level one and they are diverse in their implementation. Trees, leaves and tumbleweed react to wind in the environment and other objects react (visually) to various forms of interaction. These changes, some of which are very subtle, really add an extra level of realism to the game world and increase the overall immersion experienced by the end user. This is what gaming should be all about.
We were also impressed by the impact PhysX had on the way we played GRAW 2. With added interaction in the game world we were able to use many more objects to our advantage and realistically we also fell foul of the AI characters ability to do the same! This resulted in a more challenging, realistic and enjoyable game."

High resolution videos :

GRAW 2 + PhysX = http://www.heavenmed...eos/graw2on.php

GRAW 2 - PhysX = http://www.heavenmed...os/graw2off.php

Edited by thales100, 13 August 2008 - 11:26 PM.

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#41 thales100

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Posted 14 August 2008 - 02:32 AM

Two more videos (.wmv format), ive just recorded these with Fraps.


NO PHYSX - Flag is static like a wall



PHYSX EXTREME - Flag reacts the way it should for wind and shots


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#42 thales100

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Posted 15 August 2008 - 10:19 AM

Another GRAW 2 mini video, shooting at concrete, on the first half part PhysX is disabled, on the other PhysX Extreme is enabled.



Its just an example of course of how much PhysX adds to GRAW 2.
Another stuff really great is all the dust , that brings immersion to the maps.
PhysX most of the time is in the details, youll quickly get used to it and "forget it", but play without it and youll notice immediately.

Edited by thales100, 15 August 2008 - 10:21 AM.

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#43 Nightwatch

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Posted 15 August 2008 - 11:37 AM

I have seen the videos, though seen a difference in visuals when PhysX enabled and not, I've also found the difference -based on those videos- quite minimal. But these are early days, anyway; and as far as I'm aware Nvidia hasn't even officially released this driver, isn't it still on Beta stage. So, it'll get much better in time. But, FPS drops (significant at times) experienced by non-SLI and non 260/280 systems while the driver is active does not offer good news for the majority of the systems around. Having said that, it's true that Nvidia is pushing mainly the 260/280 cards as "PhysX enabled" cards and would definitely recommend those cards for these drivers. And, though it's my opinion only, of course ,and only based on current data, but I guess for the majority of systems, 8 series, even 9 series, this driver may not offer a lot for now.

#44 thales100

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Posted 15 August 2008 - 12:12 PM

I have seen the videos, though seen a difference in visuals when PhysX enabled and not, I've also found the difference -based on those videos- quite minimal.


No its not, after playing all campaign with GPU PhysX Extreme, i have to agree with the guru3d review, the experience is much richer than what we are used to. There's just much more happening on that screen.
BTW there is an interesting small review bout PhysX on CPU x Ageia Card x GPU:

http://www.firingsqu...ate/default.asp

PhysX on GPU, despite one card running graphics + PhysX, is the fastest option.

Edited by thales100, 15 August 2008 - 12:23 PM.

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#45 Nightwatch

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Posted 15 August 2008 - 12:25 PM


I have seen the videos, though seen a difference in visuals when PhysX enabled and not, I've also found the difference -based on those videos- quite minimal.


No its not, after playing all campaign with GPU PhysX Extreme, i have to agree with the guru3d review, the experience is much richer than what we are used to. There's just much more happening on that screen.

:thumbsup:


I wouldn't try to refute what you say, and I believe you're correct in your report; I'm merely talking on what I see on the videos. I guess, from what I heard on the post, you have a very powerful graphics card, am I correct? I'm not sure but I'd think it's above the 8800 series Nvidia ones. If so, it'd be quite natural for you to experience the best of the visuals that PhysX can offer with no loss of performance. But from I've read from the posts so far, people who don't have top cards are having some performance issues, and also because the cards are not top end, they don't see "all the godies" of PhysX either. So, I'd argue that this current driver (updates may be much better) does not look offering a lot for 8 series cards, while it certainly can offer more to top ones. More videos will definitely be needed of course. :)




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