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Falconet
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How to use Nvidia IGP for display and discret card for GPU computing?

How can I do this?

I have an Nvidia Geforce 7025 integrated that I would like to use for the display and the ATI HD 5450 for GPU computing.

I'm using Linux Mint 14 64 bits. My problem are the drivers. If I use the Nvidia for the display I just use the drivers from the repositories. But how do I install the ATI ones so that the Nvidia card still remains the display card using the drivers from the repositories?

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[May 17, 2013 3:16:58 PM]

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Re: How to use Nvidia IGP for display and discret card for GPU computing?

How you get the drivers on, pass.

How to get certain work to compute on a certain GPGPU you do with cc_config.xml, where you can specify down the project [the www] and shortname which resource not to use.

 <exclude_gpu>
 
    Don't use the given GPU for the given project. If <device_num> is not specified, exclude all GPUs of the given type. <type> is required if your
computer has more than one type of GPU; otherwise it can be omitted. <app> specifies the short name of an application
(i.e. the <name> element within the <app> element in client_state.xml). If specified, only tasks for that app are excluded.
You may include multiple <exclude_gpu> elements. If you change GPU exclusions, you must restart the BOINC client for these changes to take effect. New in 6.13 

<exclude_gpu>
   <url>project_URL</url>
   [<device_num>N</device_num>]
   [<type>NVIDIA|ATI|intel_gpu</type>]
   [<app>appname</app>]
</exclude_gpu>

Of course, if BOINC does not recognize the NVidia 7025 as being a valid resource, you don't need this. Then all work falls to device 0.

[May 17, 2013 3:47:58 PM]

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Re: How to use Nvidia IGP for display and discret card for GPU computing?

On Windows I just did this:

1. Install drivers for both GPUs.
2. Set BIOS option to use iGPU for display first.
3. Connect monitor to iGPU port.

Not sure if it works on Linux.

[May 18, 2013 4:42:41 AM]

Falconet
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Re: How to use Nvidia IGP for display and discret card for GPU computing?

Thanks for both your answers.

Linux is only detecting the ATI GPU because it's the one being used now and the drivers are for it. If I install the ATI drivers but try to use the Nvidia card, it won't boot to Linux. I don't know how install both.

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[May 18, 2013 10:18:54 AM]

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Re: How to use Nvidia IGP for display and discret card for GPU computing?

Linux is only detecting the ATI GPU because it's the one being used now and the drivers are for it. If I install the ATI drivers but try to use the Nvidia card, it won't boot to Linux. I don't know how install both.

It is similar for me with two Intel LGA 1155 motherboards (with internal Intel graphics connected to a monitor) and Nvidia cards, though they are used for Folding now, and I am using Win7 64-bit.

For motherboard 1: I can use the internal graphics to drive the monitor and Fold on a GTX 560 Ti at the same time (by selecting both in the BIOS).
For motherboard 2: I can not use the internal graphics to drive the monitor and Fold on a GTX 660 Ti at the same time (I have to select one or the other in the BIOS).

So I am not sure that it is necessarily a Linux problem, but seems to be more a motherboard/GPU card problem.

[May 19, 2013 12:22:56 PM]

Falconet
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Re: How to use Nvidia IGP for display and discret card for GPU computing?

Actually I can use the onboard for display and the ATI for GPU computing with Windows 7 but not Linux. I would use windows 7 but the VINA sciences don't run as fast there.

With Linux I can't seem to figure out how to install both drivers.

Anyway, thanks for the help. I'll just quit this for now.

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[May 19, 2013 1:01:33 PM]

Jim1348
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Re: How to use Nvidia IGP for display and discret card for GPU computing?

I know that in Vista, drivers for only a single chip type (either Nvidia or ATI) can be used. Maybe it is the same in Linux?

[May 19, 2013 5:54:05 PM]

Falconet
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Re: How to use Nvidia IGP for display and discret card for GPU computing?

Could be. If I install the 13.4 driver from AMD's website, it will show, in the "additional drivers" tab, that I am using a manually installed driver and all other options are greyed out. So I have to use the ATI card. The ATI drivers from the repositories are very old, from the 9.XX series.

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[May 19, 2013 6:33:47 PM]

Falconet
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Re: How to use Nvidia IGP for display and discret card for GPU computing?

Ok, I managed to install the ATI drivers and use the Nvidia IGP for display. However, the ATI card isn't being detected.

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- AMD Ryzen 7 7730U 8C/16T 3.0 GHz

[May 19, 2013 8:52:20 PM]

Falconet
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Re: How to use Nvidia IGP for display and discret card for GPU computing?

And now it won't work again. Had to go back to the ATI card.

I'm really giving up now. Thanks for all the help.

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- AMD Ryzen 5 1600AF 6C/12T 3.2 GHz - 85W
- AMD Ryzen 5 2500U 4C/8T 2.0 GHz - 28W
- AMD Ryzen 7 7730U 8C/16T 3.0 GHz

[May 19, 2013 9:04:52 PM]

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