[petsc-dev] Generality of VecScatter

Jed Brown jedbrown at mcs.anl.gov
Tue Nov 29 10:31:57 CST 2011


On Tue, Nov 29, 2011 at 10:14, Barry Smith <bsmith at mcs.anl.gov> wrote:

> In the world Intel is pushing us toward they want us to have SEVERAL
> threads per core (and IBM BlueGene Q also I think) how is the spinning
> going to work in that situation.


This is what the "pause" instruction is for. I don't have docs for the /Q
instruction set, but it must have an equivalent.
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