[Numpy-discussion] Fwd: GPU Numpy
Charles R Harris
charlesr.harris@gmail....
Thu Aug 6 18:27:29 CDT 2009
On Thu, Aug 6, 2009 at 5:10 PM, Sturla Molden <sturla@molden.no> wrote:
> Charles R Harris wrote:
>
> > I mean, once the computations are moved elsewhere numpy is basically a
> > convenient way to address memory.
>
> That is how I mostly use NumPy, though. Computations I often do in
> Fortran 95 or C.
>
> NumPy arrays on the GPU memory is an easy task.
Glad to hear it. So maybe some way to specify and track where the memory is
allocated would be helpful. Travis wants to add a dictionary to ndarrays and
that might be useful here.
But then I would have to
> write the computation in OpenCL's dialect of C99? But I'd rather program
> everything in Python if I could. Details like GPU and OpenCL should be
> hidden away. Nice looking Python with NumPy is much easier to read and
> write. That is why I'd like to see a code generator (i.e. JIT compiler)
> for NumPy.
>
Yes, but that is a language/compiler problem. I'm thinking of what tools
numpy can offer that would help people experimenting with different
approaches to using GPUs. At some point we might want to adopt a working
approach but now seems a bit early for that.
Chuck
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