1274   PetscMPIInt              tagi, tagj, *len_si, *len_s, *len_ri, nrecv, proc, nsend;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()  local
1344   nsend        = 0;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1348       nsend++;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1356   PetscCall(PetscGatherMessageLengths2(comm, nsend, nrecv, len_s, len_si, &id_r, &len_r, &len_ri));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1361   PetscCall(PetscMalloc1(nsend, &swaits));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1379   if (nsend) PetscCallMPI(MPI_Waitall(nsend, swaits, sstatus));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1424   if (nsend) PetscCallMPI(MPI_Waitall(nsend, swaits, sstatus));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1699   PetscCall(PetscMalloc2(merge->nsend, &s_waits, size, &status));  in MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ()
1707   if (merge->nsend) PetscCallMPI(MPI_Waitall(merge->nsend, s_waits, status));  in MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ()
1874   merge->nsend = 0;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1890       merge->nsend++;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1898 …PetscCall(PetscGatherMessageLengths2(comm, merge->nsend, merge->nrecv, len_s, len_si, &merge->id_r…  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1903   PetscCall(PetscMalloc1(merge->nsend, &swaits));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1918   if (merge->nsend) PetscCallMPI(MPI_Waitall(merge->nsend, swaits, sstatus));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1961   if (merge->nsend) PetscCallMPI(MPI_Waitall(merge->nsend, swaits, sstatus));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()