[petsc-dev] Fwd: Poisson step in GTS

Jed Brown jed at 59A2.org
Sun Jun 19 18:19:38 CDT 2011

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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