petsc-3.12.4 2020-02-04
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## process

- <CONCEPT>subset set PETSC_COMM_WORLD</CONCEPT> Introductory example that illustrates running PETSc on a subset of processes.
- <CONCEPT>subset set PETSC_COMM_WORLD</CONCEPT>
  This introductory example illustrates running PETSc on a subset
  of processes
- <CONCEPT>subset set PETSC_COMM_WORLD</CONCEPT>
  This introductory example illustrates running PETSc on a subset
  of processes