OS 10.5 - 10.6 And Multiple GPU Utilization: Anyone Know Details?

XJ-linux · XJ-linux #1 (**permalink**)

08-14-2009, 10:11 AM

Had a wild thought the other night, but I don't see anything specific regarding this topic...

I have a Late 2008 Unibody MBP with the dual GPU configuration: 256 integrated & 512MB discreete. 90% of the time it's booted to just run off of the 256MB integrated graphics to keep heat down. With Snow Leopard leveraging the GPU to off-load processing, does anyone know if it will leverage both GPU's on systems that have two? I'm thinking since I rarely use the 512MB GPU, I might see some extra snappiness in my system.
Thanks,
Dave

gagnerants · gagnerants #2 (**permalink**)

08-14-2009, 10:39 AM

I would think the with SMP it would only use the GPU that is actually "on." Although since I do not own one of the MBP's I can't be sure, however even with the integrated card it still should make everything nice and snappy.

XJ-linux #1 (permalink)
Member Since: Jul 02, 2007 Location: Going Galt... Posts: 3,125 Mac Specs: MacBookAir5,2:10.8.3-MacMini3,1:10.8.3-iPhone3,1:6.1.3	08-14-2009, 10:11 AM Had a wild thought the other night, but I don't see anything specific regarding this topic... I have a Late 2008 Unibody MBP with the dual GPU configuration: 256 integrated & 512MB discreete. 90% of the time it's booted to just run off of the 256MB integrated graphics to keep heat down. With Snow Leopard leveraging the GPU to off-load processing, does anyone know if it will leverage both GPU's on systems that have two? I'm thinking since I rarely use the 512MB GPU, I might see some extra snappiness in my system. Thanks, Dave ,_____o00o _ //___l__,\____\,__ l_--- \___l---OlllllllO (o)_)-o- (o)_)--o-)_)
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gagnerants #2 (permalink)
Member Since: Dec 23, 2007 Location: Claremont, Ca Posts: 847 Mac Specs: iPod Nano 4gb, 20" 2.66 GHz Core 2 Duo, 2GB of ram, ATI HD 2600 pro	08-14-2009, 10:39 AM I would think the with SMP it would only use the GPU that is actually "on." Although since I do not own one of the MBP's I can't be sure, however even with the integrated card it still should make everything nice and snappy.
	QUOTE Thanks

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