20     COMM = PETSc.COMM_NULL  variable in BaseTestMatAnyDense
26         COMM = self.COMM
30         self.A = PETSc.Mat().create(comm=COMM)
141         COMM = self.COMM
144         rows, cols, vals = mkdata(COMM, GM, GN, BS)
166     COMM = PETSc.COMM_WORLD  variable in BaseTestMatDense
175     COMM = PETSc.COMM_SELF  variable in TestMatSeqDense
199     COMM = PETSc.COMM_WORLD  variable in TestMatMPIDense
223     COMM = PETSc.COMM_WORLD  variable in BaseTestMatDense_B
238     COMM = PETSc.COMM_SELF  variable in TestMatSeqDense_B
311     COMM = PETSc.COMM_WORLD  variable in TestMatMPIDense_B