[petsc-users] ghost points, DMs, and vector operations

[Jed Brown]

gideon.simpson at gmail.com writes:

> Yes, when I was talking about vector operations, i.e., VecAXPY,  I was doing them on the global vectors.  So what I'm understanding from you is that the ghost points only appear after I go to the local data structure, is that correct?

The concept literally does not exist for global vectors.
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