1274   PetscMPIInt              tagi, tagj, *len_si, *len_s, *len_ri, nrecv, proc, nsend;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()  local
1327   PetscCall(PetscMalloc4(size, &len_s, size, &len_si, size, &sstatus, size + 1, &owners_co));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1328   PetscCall(PetscArrayzero(len_s, size));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1339     len_s[proc] += coi[i + 1] - coi[i]; /* num of nonzeros in Co to be sent to [proc] */  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1347     if (len_s[proc]) {  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1355   PetscCall(PetscGatherNumberOfMessages(comm, NULL, len_s, &nrecv));  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()
1363     if (!len_s[proc]) continue;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1365     PetscCallMPI(MPIU_Isend(coj + coi[i], len_s[proc], MPIU_INT, proc, tagj, comm, swaits + k));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1401     if (!len_s[proc]) continue;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1426   PetscCall(PetscFree4(len_s, len_si, sstatus, owners_co));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
1600   PetscMPIInt          size, rank, taga, *len_s, proc;  in MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ()  local
1695   len_s  = merge->len_s;  in MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ()
1701     if (!len_s[proc]) continue;  in MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ()
1703 …PetscCallMPI(MPIU_Isend(coa + coi[i], len_s[proc], MPIU_MATSCALAR, proc, taga, comm, s_waits + k));  in MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ()
1768   PetscMPIInt          size, rank, tagi, tagj, *len_si, *len_s, *len_ri, proc;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()  local
1871   PetscCall(PetscCalloc1(size, &merge->len_s));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1873   len_s        = merge->len_s;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1882     len_s[proc] += coi[i + 1] - coi[i];  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1889     if (len_s[proc]) {  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1897   PetscCall(PetscGatherNumberOfMessages(comm, NULL, len_s, &merge->nrecv));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1898 …PetscCall(PetscGatherMessageLengths2(comm, merge->nsend, merge->nrecv, len_s, len_si, &merge->id_r…  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1905     if (!len_s[proc]) continue;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1907     PetscCallMPI(MPIU_Isend(coj + coi[i], len_s[proc], MPIU_INT, proc, tagj, comm, swaits + k));  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()
1934     if (!len_s[proc]) continue;  in MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ()