Re: [CsMain] [GSoc 2010] GSoC application for lighter2 improvements

On 23 March 2010 18:34, Mohit Taneja <[email protected]> wrote:

> Well, IMO the way to go for parallelization should be done in the following
> way
> - Check for GPU support for OpenCL/CUDA. If yes, then use GPU for
> parallelization.
> - Else use threads, if there are multiple processors.
> - Else carry on with the good old process.
>
> Regarding the number of tasks in my application, and taking into
> consideration the amount of work required just for parallelization of
> lighter2, it is indeed too much for one summer.
>
> I believe it would be great if Scott Johnson could let me know that exact
> what amount of work can be done to improve the photon mapping module and how
> much work would be required to make it integrate into lighter2 and b sure to
> quite an extent that it is stable. I believe that it would require quite
> some amount of actual testing before we can say that it is stable and
> integrate it into the trunk.
>
> I would probably add/remove tasks from my application appropriately.
>

Actually, you would check both GPU and CPU support for OpenCL.
It's not GPU specific, any conformant processor can run any kernel.
I believe AMD have already released some OpenCL CPU drivers.

But anyway, I agree with everyone that parallelism here is a project in
itself, better to concentrate on photon mapping *or* that.
I would prefer to see photon mapping finished :)

-- 
-Mike

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