Any way to utilise Intel GPU?

Message boards : Number crunching : Any way to utilise Intel GPU?
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Ryan Munro

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Message 1611959 - Posted: 10 Dec 2014, 23:20:11 UTC

So one of my machines which is running a R9 290 also has a Intel GPU on the 3770k, anyone know of a way I can crunch on them both at once?

Lucid Logix Virtu software was the only software I knew about that allowed you to use both cards at once, any other way?

Just enabling it in the settings wont work as with the 270 installed the machine will disable the onboard GPU as standard.

Thoughts? anyone doing this?, seems a waste to leave all that power unused :)
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Richard Haselgrove Project Donor
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Message 1611979 - Posted: 10 Dec 2014, 23:51:34 UTC - in response to Message 1611959.  

Depends exactly what you mean by "the machine will disable the onboard GPU".

I have two machines close to that description. One is a Dell Optiplex: the motherboard BIOS will not allow the Intel GPU to function at the same time as a PCIe expansion card - if you try it, the BIOS will display a message that the video cable is plugged into the wrong port, and the machine won't even boot.

The other machine is a generic home-build, and it runs both GPUs with no trouble at all. The trick (apart for ensuring both GPUs have suitable drivers) is to ensure that the Intel GPU is connected to a video load - monitor or dummy plug. It may need some experimentation with Windows desktop settings too.
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Message 1611984 - Posted: 11 Dec 2014, 0:01:59 UTC
Last modified: 11 Dec 2014, 0:03:05 UTC

High-end Intel chipsets will let you use the iGPU while lower-end chipsets won't while using a dedicated GPU/s.

Also using the iGPU while using your CPU cores as well to crunch will greatly effect the performance of those CPU tasks as well as increasing the heat output of the CPU (using it while not using the cores should be fine).

Personally, from what I've seen, you'd be better off just using the CPU cores instead of the iGPU myself, but the decision is up to you in the end, if your motherboard chipset will allow you to. ;-)

Cheers.
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Message boards : Number crunching : Any way to utilise Intel GPU?


 
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