rcloud/Performance-Python-Paper-Project — pull request #5 by jeffdaily (2011-12-08 00:13:38+00:00)
Title: add GA ghosts version of jacobi

these commits show my lack of git skill. Make sure you're using the latest GA from our SVN since I just committed a long-standing bug related to duplicating a ghost array.

The ghost version is much shorter than the other version. However, the implementation differs slightly. The ghost version must reset the boundary conditions since the ghost update is periodic. The boundary condition is updated within the ghost cell region, effectively making the domain 1 cell larger around the outermost boundary than the non-ghost implementation.