perf: Reducing MPI communications in update_ghost_mr #335
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Available tags: 'build', 'chore', 'ci', 'docs', 'feat', 'fix', 'perf', 'refactor', 'revert', 'style', 'test'
Description
update_ghost_mrused to do level-by-level communications. The present PR fixes this by sending the ghosts from all levels all-together, therefore reducing the total level of communication from O(n_levels) to O(1).Related issue
How has this been tested?
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