[petsc-dev] programming model for PETSc

[Jed Brown]

On Thu, Nov 24, 2011 at 18:56, Matthew Knepley <knepley at gmail.com> wrote:

> I think the idea of a local point of view is fundamental, not just for
> parallelism. We use LocalToGlobal mappings in FS so that yu do not have
> to know about other fields, just the same as you should not have to know
> about other processes.
>

I agree, local-to-global is the key to scalability. The challenge is making
everything run along scalable pipes the way local-to-global does. I think
we can do that with these primitives.
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