On Sep 7, 2009, at 6:49 AM, Chris Wood wrote:
I know there's already been some discussion of this, but could
somebody at apple please clarify things a little? Sorry if this is
the wrong list - I can't see an OpenCL list, and it's pretty
relevant here.
I'm writing an application that would seriously benefit from OpenCL
(doing lots of processing that I want spread across the CPUs when
the GPU is busy, or across additional GPUs if possible). I'm sure
others are in the same position. But I have a radeon 2600 - sold as
recently as 6 months ago but not supported. ATI 3xxx series isn't
supported too, and some of the newer NVidia cards (although I
assume they'll get support soon). According to ATI's Stream SDK
docs, the 2xxx and 3xxx series support OpenCL so there doesn't seem
to be a technical reason (performance might be another story :)
So is there any intention to support the older ATI cards in a
future update?
OpenCL like OpenGL abstracts the api from the hardware and I think it
would be ATI's job to expose the hardware to OpenCL through some sort
of driver similar to OpenGL drivers.
I may be off my rocker but I think that is how it would work.
Ben
I realise any answer will probably come qualified by a lot of
"possibly" and "maybe" at best, but it'd really help to know if I
should hold on for a while or upgrade.
Thanks
Chris
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