[petsc-dev] Fwd: Poisson step in GTS

[Jed Brown]

On Jun 20, 2011 1:11 AM, "Barry Smith" <bsmith at mcs.anl.gov> wrote:
>   As Vec's can now track if the memory or GPU memory is valid can we not
add info to the Vec (and Mat) indicating the memory "affinity" etc then
dispatch different versions based on that?  For example a VecPlaceArray()
would mark the affinity as "unknown" or something.

This would help. Lets have a planning discussion about threading next week
when we can draw pictures.
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