itaps-parallel Confusion between BOUNDARY, INTERNAL, GHOST

Carl Ollivier-Gooch cfog at mech.ubc.ca
Thu Jun 5 11:12:28 CDT 2008


Tim Tautges wrote:
> Hi all,
>   I'm in the process of implementing at least part of this interface, 
> and I think there's ambiguity about what BOUNDARY, INTERNAL, and GHOST 
> really mean.  Namely, are these referring to processor sharing, or the 
> relation to the skin?  That is, if an entity is on the skin of a part 
> but not shared with another processor, is its status INTERNAL?  If so, 
> then I think these values are mutually exclusive, which I think is an 
> important requirement if the status is accessed with a single function.

I agree that the key thing here is relationship to other parts (I would 
argue parts, not processors).  Either way, the three are mutually exclusive.

Carl

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