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Re: "OpenCLLink block size is invalid"

  • To: mathgroup at smc.vnet.net
  • Subject: [mg114116] Re: "OpenCLLink block size is invalid"
  • From: adakkak <adakkak at gmail.com>
  • Date: Wed, 24 Nov 2010 06:58:27 -0500 (EST)
  • References: <icg6op$96f$1@smc.vnet.net>

On Nov 23, 4:58 am, Rob325 <roberto.carluc... at gmail.com> wrote:
> Hi,
> I'm just trying to see OpenCL and cuda examples on a macBook pro (snow
> leopard) under Mathematica 8. I downloaded and installed CUDA driver
> for 330M GPU and the cuda examples are now working.
>
> Some other OpenCL examples work too (e.g. N particles under central
> force example).
>
> I get instead a systematic:
>
> "OpenCLFunction::invblksz: OpenCLLink block size is invalid" error
> when I try the OpenCLFractalRender3D[] related examples. (the "Do on-
> the-Fly Code Generation" example, but even the OpenCLFractalRender3D[]
> command alone)
>
> I couldn't fin any info on this in wolfram website.
>
> Should I set some suitable parameters in order to have the
> OpenCLFractalRender3D working on this machine?
>
> Thanks
>
> Roberto


This is a known bug for this example. The example may not work on low
end video cards since it does quite a bit of computation, so keep that
in mind.

If you believe that your video card is powerful enough to handle the
example, then my suggestion is to try the example in CUDALink
http://wolfram.com/xid/0d195cdqgdtuw44ioyvm6og9pu-5i5ew1


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