More memory is good because it allows you to process images through opencl without tiling them,
which is a lot faster. Of course this depends on the resolution of the images you need to process,
but I'd always try to get the most video ram possible.
I think you can do darktable -d opencl to see if your images are currently
being tiled.
Regards,
Rob
On 18/04/18 11:10, Frieder wrote:
Hallo,
I need to buy a new graphics adapter mostly for darktable and open CL.
I'm thinking about a Radeon RX 560 card, which is offered with 2 or 4
GB Video-RAM.
Currnently I'm using a R7 card with 2MB wich seems fine memory wise,
but has no more open-cl-driver support with later distributions.
Has somebody experience that 4GB GPU RAM is/can be an advantage over
2GB RAM? Or is it just waste of money and current?
Thanks
F.
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