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[OUT OF DATE]How To: Run PhysX in Windows 7 with ATi Cards - Page 84

post #831 of 1230
Quote:
Originally Posted by M0E View Post
Its easier and takes far less time to use Fluidmark PhysX test and open up GPUz to see if your physx card is showing any load or if its still in 2d mode
Not in my case, when I did that I got nothing from my PhysX card in GPUz but when I ran 3d mark, the results proved that PhysX was in fact working.
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post #832 of 1230
Quote:
Originally Posted by Caustin View Post
Not in my case, when I did that I got nothing from my PhysX card in GPUz but when I ran 3d mark, the results proved that PhysX was in fact working.

Then you probably wont have physx working in several games as well

As I said, Fluidmark is a great test to let you know if its working correctly.

If its not, you need to go into your game folders and deleted the physx .dll files in the binaries. Read the FAQ area in the linked thread. http://www.ngohq.com/graphic-cards/1...3-v1-04ff.html
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post #833 of 1230
Do I really even need to use the newest nvidia drivers? I'm using a 9800gt for physx so I don't think I'd get any performance improvements. Is it possible to use the 257.15 Geforce driver with the latest physx drivers?
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post #834 of 1230
Quote:
Originally Posted by M0E View Post
Then you probably wont have physx working in several games as well

As I said, Fluidmark is a great test to let you know if its working correctly.

If its not, you need to go into your game folders and deleted the physx .dll files in the binaries. Read the FAQ area in the linked thread. http://www.ngohq.com/graphic-cards/1...3-v1-04ff.html
According to some, Fluidmark is a great test and according to others it is not. I don't quite know if PhysX is something that would work sometimes and not work sometimes based on Fluidmark results. I'm also not quite sure if there is a way to set up a dedicated PhysX card with an ATI card that would cause it to work only sometimes.
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post #835 of 1230
Quote:
Originally Posted by Caustin View Post
According to some, Fluidmark is a great test and according to others it is not. I don't quite know if PhysX is something that would work sometimes and not work sometimes based on Fluidmark results. I'm also not quite sure if there is a way to set up a dedicated PhysX card with an ATI card that would cause it to work only sometimes.

When the physx .dll files are in the binaries of certain games it causes the game to run on settings from the game and not from the patched nvidia control. Thus, for example in Morrors Edge, you will be running CPU physx until you uninstall the Physx .dll files.
Batman doesnt have the files and thus you wont need to do this.
Metro2033 did have these files and I was able to get my hardware rendering working by deleting.
Fluidmark has the files and by deleting you get hardware physx.

I could go on...Cryostasis has to have the files deleted.

You leave the physxloader.dll and remove/rename all others. Physx will then work on the hardware from then on.


EDIT: This was the part of the link I gave earlier I wanted you to read.

Quote:
Q: Some particular app/game seems to refuse to use hardware PhysX, although everything else is working fine.
A: First make sure it does support hardware PhysX acceleration. Open a folder of that app/game, search for "physx*" dll-files and try deleting (or renaming) them, so only installed PhysX System Software will be used. It could be "PhysXDevice.dll", "PhysXLoader.dll", "PhysXCore.dll" etc. For example, to enable GPU-PhysX in Mirror's Edge you must delete/rename PhysXDevice.dll and PhysXCore.dll from \\Binaries\\ dir.


Read more: http://www.ngohq.com/graphic-cards/1...#ixzz1CqD1gVjj

Edited by M0E - 2/2/11 at 1:55pm
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post #836 of 1230
Quote:
Originally Posted by M0E View Post
When the physx .dll files are in the binaries of certain games it causes the game to run on settings from the game and not from the patched nvidia control. Thus, for example in Morrors Edge, you will be running CPU physx until you uninstall the Physx .dll files.
Batman doesnt have the files and thus you wont need to do this.
Metro2033 did have these files and I was able to get my hardware rendering working by deleting.
Fluidmark has the files and by deleting you get hardware physx.

I could go on...Cryostasis has to have the files deleted.

You leave the physxloader.dll and remove/rename all others. Physx will then work on the hardware from then on.


EDIT: This was the part of the link I gave earlier I wanted you to read.
Are you telling me that if I delete the physx dlls from fluidmark, it will give me results and not tell me that it is not working?
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post #837 of 1230
Quote:
Originally Posted by Caustin View Post
Are you telling me that if I delete the physx dlls from fluidmark, it will give me results and not tell me that it is not working?
Im telling you that you will physically be able to see the difference between Fluidmark rendering on the CPU vs. GPU.

In GPU-z you will see physx is enabled bothways, thus it will let you know for sure it working on the GPU
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post #838 of 1230
Quote:
Originally Posted by M0E View Post
Im telling you that you will physically be able to see the difference between Fluidmark rendering on the CPU vs. GPU.

In GPU-z you will see physx is enabled bothways, thus it will let you know for sure it working on the GPU
M0E, I'll have to tell you, I didn't think the information you were giving me was correct. But when I got to my computer this morning, I immediately deleted all of the physx dlls other than physxloader like you told me and it worked. Before, I deleted those files in the fluidmark binaries, I was getting very little to no activity on my Nvidia card but after, my GPU load went right up to 70-80%. So if any others are having problems with Fluidmark showing PhysX card activity, do what M0E said!

I do have a question though, why is it that I get a lot less fps in Fluidmark using my Nvidia card than I do with CPU? I would assume that my CPU would be able to do PhysX better but since it is used to process many other things, it would be much more beneficial to use the Nvidia card since its primary purpose when paired with an ATI card is for PhysX. Am I correct?

Oh and +1 rep to M0E!
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post #839 of 1230
That is a weird one. From my experience the 9800GT should have plenty of power to run physx and be better at it than your CPU.

What driver are you using on the Nvidia card?
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post #840 of 1230
Quote:
Originally Posted by M0E View Post
That is a weird one. From my experience the 9800GT should have plenty of power to run physx and be better at it than your CPU.

What driver are you using on the Nvidia card?
Correction. I enabled Async mode when running the test and now when I compare CPU to GPU, my GPU still gets less but by a much smaller margin. I get about 105fps with GPU and 125fps with CPU. Driver version is 258.96.
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