I cant get coreavc to use cuda

ShRoOmAlIsTiC · Oct 14, 2009

Im having problems with coreavc, it works but I cant get it to use cuda. Im running windows 7 ultimate 64bit, mpc-hc 32bit, coreavc 1.9.5, and a gtx 260. I have my 5850 as my main renderer but my tv running of the gtx 260. I tried the same exact settings on my 9400gt in my other rig and it uses cuda no problem. you think nvidia is cutting out cuda if you have a ati card installed? I got the modded drivers so physx works great.

TheLaughingMan · Oct 14, 2009

The new Nvidia drives are blocking some features when an ATI card is detected as the main GPU. I thought it was only related to PhysX, but I am can't say for sure.

Try using the GTX 260 by itself. If it works, that is the problem and you will need to install older Drivers for it to work.....I think 186.09 or earlier will work.

ShRoOmAlIsTiC · Oct 15, 2009

there not blocked in that way, only works when the nvidia card is the primary renderer. Ive i set my tv to primary display, it works fine but with my 5850 as primary its a no go. kinda shitty, maybe something to do with the player but not sure. I wonder if theres a way to make the player only see the gtx and not the 5850?

CrackerJack · Oct 15, 2009

This goes for all rendering programs, it uses the main adapters drivers and settings. So thus if it's a Nvidia card is set to main. It will and should use the cuda and if is ati stream comp program it will take advantage of ati cards. Example CS4 encoder, if you have the plug-in. But's the same as Nvidia.

*Note for Cuda to work you need drivers 182.05 or higher

Mussels · Oct 15, 2009

ShRoOmAlIsTiC said:
there not blocked in that way, only works when the nvidia card is the primary renderer. Ive i set my tv to primary display, it works fine but with my 5850 as primary its a no go. kinda shitty, maybe something to do with the player but not sure. I wonder if theres a way to make the player only see the gtx and not the 5850?

there is no way. this is part nvidia, part "just how it works" - these programs tend to check the primary display for its feature set. (or require that all displays share the features)

for example, what would happen if part way through a CUDA accelerated file, you clicked and dragged it onto the main screen? half CUDA on one GPU, half software on the other... shit would go bad.

ShRoOmAlIsTiC · Oct 15, 2009

I hear ya there, I try to start it on my main and drag it over while its playing some time and the sound keeps going but the visuals freeze up.

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Processor	AMD Ryzen 9 5950x
Motherboard	ASRock x570 Taichi
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Memory	2x16gb T-Create Expert 3600C14
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Motherboard	ASRock x570 Taichi
Cooling	Arctic Liquid Freezer II 420
Memory	2x16gb T-Create Expert 3600C14
Video Card(s)	NVidia RTX 3090 Founder Edition
Storage	WD_BLACK SN850X 2tb, 2 x Team Group MP34 4tb
Display(s)	LG 34GP83A-B
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I cant get coreavc to use cuda

ShRoOmAlIsTiC

TheLaughingMan

ShRoOmAlIsTiC

CrackerJack

Mussels

Freshwater Moderator

ShRoOmAlIsTiC