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[YT]Borderlands 2 PhysX enhanced demonstration - Page 25  

post #241 of 327
Quote:
Originally Posted by Blameless View Post

Quote:
Originally Posted by lordikon View Post

I worked at NetDevil

So what happened to Jumpgate Revolution?
Quote:
Originally Posted by lordikon View Post

the destruction was predetermined on the CPU side, the effects for it were done on the GPU side.

Very interesting.

Still, that seems to leave CellFactor. I'm not sure how the manipulation of the objects (which interact with other object, the player, and enemies) shown in that game could be predetermined. I'll have to download it and see if I can figure out how much PhysX is doing.

Regardless, I'm still not seeing how the GPU is really anything more than a massively parallel co-processor, or why it wouldn't be able to run it's own physics threads (PhysX, some other middleware, or some other engine entirely) that could interact with the rest of a game just as physics threads run on a CPU could. Maybe not as efficiently (due to PCI-E latency), but not uselessly inefficiently either.

And regarding PCI-E latency: http://www.hypertransport.org/docs/wp/Latency_Comparison_HyperTransport_PCIe_in_Communications_Systems.pdf

I've played multi-threaded games across multiple CPUs connected by HT, and they weren't slowed down appreciably by the interconnect, nor do I suspect they would have been even at half the HT frequency (and thus double the latency, or something roughly on par with PCI-E).
Quote:
Originally Posted by MarvinDessica View Post

Those were awesome! Are they still usable?

With old versions of PhysX, yes.

They are way too slow to be useful with modern hardware/games however.

Jumpgate Evolution was bumbled around by designers for years and rebooted and finally cancelled by Gazillion (who had purchased NetDevil about a year prior). Gazillion still owns the rights to it right now, I doubt they have any plans for it.

I'm not sure about the hardware latency in great detail, but I'm fairly sure that GPU physics with PhysX is basically reading from the CPUs physics simulation and adding its own effects on top of that. I'm not sure if the GPU has write access to make any changes to the CPU's simulation.
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post #242 of 327
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Originally Posted by PostalTwinkie View Post

You do realize that the vendors who sell Nvidia cards also sell ATi cards? MSi, Zotac, HIS, XFX, EVGA, ASUS, etc.....

Not saying I don't agree with you, but Zotac, EVGA, Inno3D, Gainward, Palit and Galaxy only sell nVidia cards. On the AMD side, Sapphire, HIS, XFX, Powercolour and VTX3D are AMD only. (With the exception of XFX being nVidia until the 4xx series). Some people like nVidia just because EVGA is meant to be legendary for their customer service, support etc., although AMD have Sapphire, which is kinda the AMD equivalent.
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post #243 of 327
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Originally Posted by PostalTwinkie View Post

I don't think I have heard anything more insane than this on these forums, if what you said in the highlighted section isn't fanboyism, I don't know what is.
You do realize that the vendors who sell Nvidia cards also sell ATi cards? MSi, Zotac, HIS, XFX, EVGA, ASUS, etc.....
When you call they don't have an extra special department setup to provide awesome customer service to just Nvidia cards. You get the same company, same employees, and go through the same process, no matter if your card is AMD or Nvidia when it comes to contacting the respective vendors. So I absolutely fail to see how there is a difference of "MILES" between vendors when they are the same freaking vendors!!!
doh.gif
As for driver support....
That is such an old stand-by, people really need to let it go. Currently I am using an Nvidia card, and in the last 12 months I have purchased at least 4 AMD cards and another 3 or 4 Nvidia cards for various builds. With the exception of one DOA card, which was promptly replaced, I have not had a single driver issue with AMD! I have however had a driver issue with Nvidia, just recently, I upgraded drivers on my own system which uses a GTX 470. I went from 296.10 to the 301.42, and the performance just tanked! After spending time trying to optimize settings and multiple games, I just went back to 296.10.
With that said; This was the first issue I have had with ANY driver from EITHER side in years!
As for RMA's giving you "refurbished" items as a replacement....that is a standard business practice. I have yet to find a company that provides you a brand new in the box product on a warranty exchange.

Nvidia has quite a few exclusive vendors. EVGA (Best of the all), Inno3d, Zotac, Palit and the list goes on especially if you're in other countries. EVGA even has their own version of CAP drivers.
post #244 of 327
Quote:
Originally Posted by Z Overlord View Post

did you just tell people to buy from one company only again? It's like you want PC gaming to be some mess of proprietary bloat and expensive hardware

I did? I must have missed that part.

So with your reasoning, I'm supposed to buy from the company I don't want to buy from? I always have to buy "the other" company's product? How would that work out for anyone?

I don't understand why some are misunderstanding what I'm saying here. If you want an AMD card then there is absolutely nothing wrong with that. I'm saying make your decision and live with it is all. Nothing against you or them.
Edited by dph314 - 8/18/12 at 12:54am
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post #245 of 327
Quote:
Originally Posted by Z Overlord View Post

developers should embrace open standards and not something that only 1 company's customers can use
there is no need for this PhysX crapware

So no competition is good competition? That's like saying someone should buy a 360 over a PS3 because Sony has Blu-Ray the 360 can't play...
post #246 of 327
Quote:
Originally Posted by stargate125645 View Post

Sigh...I hate dragging my soap box out of storage. mad.gif
The bottom line is if all Nvidia did were allow game developers to support PhysX and nothing more, there wouldn't be a problem. Clearly Nvidia does more to help the developers or they wouldn't partake because it would be more overhead for negligible gain. Nvidia has even hindered AMD in TWIMTBP games before, and they won't let PhysX work when the main card is an AMD, so clearly Nvidia is not doing this out of the goodness of their hearts like many of you sheeple imply. Now they are going even further in the mobile space and the fanboys don't seem to care. Nvidia is the Apple of the graphics world, and they get away with it just like Apple does because of all the sheeple that keep buying Nvidia cards because "it's no big deal" when Nvidia doesn't play fair.
Just because something is not technically illegal doesn't mean it is something you should do. We get enough of that with rich people trying to control the world and buy elections - I don't want to deal with it in my personal life, so it irks me to no end that those of you who still buy Nvidia and Apple products force me to.

What exactly makes Nvidia the equivalent of Apple?
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post #247 of 327
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Originally Posted by CaptainChaos View Post

What exactly makes Nvidia the equivalent of Apple?

"Forcing" Proprietary standarts/technologies upon in this case game developers.
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post #248 of 327
Quote:
Originally Posted by Kasp1js View Post

"Forcing" Proprietary standarts/technologies upon in this case game developers.


Besides PhysX care to share the other?
Not to mention there's like 3 and half games that support PhysX released a year, hardly something that gives a real competitive advantage or hinders developers.
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post #249 of 327
Exactly. And if those few PhysX games make a big enough difference to someone with an AMD card, then don't buy an AMD card. How you can blame one company for not sharing with a competitor is beyond me. Positives and negatives of each company aside...it's simple business principle that this is what Nvidia is doing. And if you want to talk about benefits to the consumer, then they will come out of the competition, not out of a company like Nvidia handing out free-passes to run their tech on a competitor's card (which no sane company would do).
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post #250 of 327
The grenade effect with the singularity was cool, but apart from that there's nothing really incredible in there.
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