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From: Ken M. on 26 Feb 2010 12:09
OpenCL does support double precision.
http://www.geeks3d.com/20091014/radeon-hd-5770-has-no-double-precision-floating-point-support/

The reason that some hardware doesn't support it is because they also want to sell partially 'broken' chips, and since not many people actually care for that 'feature' it is good marketing.

Obviously OpenCL is the only way to go if you don't want ot get in the middle of a standardisation fight AND have the most potential users out there already.
From: Ken M. on 26 Feb 2010 12:09
OpenCL does support double precision.
http://www.geeks3d.com/20091014/radeon-hd-5770-has-no-double-precision-floating-point-support/

The reason that some hardware doesn't support it is because they also want to sell partially 'broken' chips, and since not many people actually care for that 'feature' it is good marketing.

Obviously OpenCL is the only way to go if you don't want ot get in the middle of a standardisation fight AND have the most potential users out there already.
From: Mark Shore on 26 Feb 2010 12:33
"Rob Campbell" <matlab(a)robertREMOVEcampbell.removethis.co.uk> wrote in message <hj5hdb$bko$1(a)fred.mathworks.com>...
> I've heard that Mathworks are put off GPGPU because it only handles single-precision. However, Jacket, the above-mentioned 3rd party enhancement, now states a new feature: "Double precision linear algebra enhancements will help a larger user base that has double precision requirements." Come on Mathworks!
>
> And it's not just the GPGPU... 3-D plots in Matlab are dog slow and look awful on screen. Check out what Jacket can do in this regard:
> http://www.accelereyes.com/products/jacketgfx

A MATLAB Beta program recently started (http://www.mathworks.com/programs/gpu_beta/). Applicants need an NVIDIA CUDA-enabled GPU and to have a licence for the parallel processing toolbox.
From: Rob Campbell on 16 Mar 2010 16:01

> A MATLAB Beta program recently started (http://www.mathworks.com/programs/gpu_beta/). Applicants need an NVIDIA CUDA-enabled GPU and to have a licence for the parallel processing toolbox.

That's good to hear. I've been playing with www.gp-you.org today and haven't found it terribly useful so far. Hopefully TMW will look into improving the graphics next.
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