[petsc-dev] Generality of VecScatter

[Jed Brown]

On Thu, Nov 24, 2011 at 16:26, Matthew Knepley <knepley at gmail.com> wrote:

> This is one great reason that vectorization works and pthreads is crap. I
> am not totally sold on the thread block system, but
> it looks like genius compared to pthreads. I would start there.
>

Suppose you had a higher level way to describe data movement (across shared
and distributed memory) between invocation of CUDA/OpenCL kernels. How far
would that get you?
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