4691   PetscCall(PetscMalloc1(merge->nsend + 1, &s_waits));  in MatCreateMPIAIJSumSeqAIJNumeric()
4700   if (merge->nsend) PetscCallMPI(MPI_Waitall(merge->nsend, s_waits, status));  in MatCreateMPIAIJSumSeqAIJNumeric()
4811   merge->nsend = 0;  in MatCreateMPIAIJSumSeqAIJSymbolic()
4821       merge->nsend++;  in MatCreateMPIAIJSumSeqAIJSymbolic()
4833 …PetscCall(PetscGatherMessageLengths2(comm, merge->nsend, merge->nrecv, len_s, len_si, &merge->id_r…  in MatCreateMPIAIJSumSeqAIJSymbolic()
4840   PetscCall(PetscMalloc2(merge->nsend, &si_waits, merge->nsend, &sj_waits));  in MatCreateMPIAIJSumSeqAIJSymbolic()
4851   if (merge->nsend) PetscCallMPI(MPI_Waitall(merge->nsend, sj_waits, status));  in MatCreateMPIAIJSumSeqAIJSymbolic()
4885   if (merge->nsend) PetscCallMPI(MPI_Waitall(merge->nsend, si_waits, status));  in MatCreateMPIAIJSumSeqAIJSymbolic()
4887   PetscCall(PetscInfo(seqmat, "nsend: %d, nrecv: %d\n", merge->nsend, merge->nrecv));  in MatCreateMPIAIJSumSeqAIJSymbolic()
6407   PetscInt        nsend = 0; /* Number of MPI ranks to send data to */  in MatSetPreallocationCOO_MPIAIJ()  local
6428     if (nsend >= maxNsend) { /* Double the remote ranks arrays if not long enough */  in MatSetPreallocationCOO_MPIAIJ()
6441     sendto[nsend] = owner;  in MatSetPreallocationCOO_MPIAIJ()
6442     PetscCall(PetscIntCast(p - k, &nentries[nsend]));  in MatSetPreallocationCOO_MPIAIJ()
6443     nsend++;  in MatSetPreallocationCOO_MPIAIJ()
6450   PetscInt     nleaves = nsend, nleaves2 = 0;  in MatSetPreallocationCOO_MPIAIJ()
6455   PetscCall(PetscMalloc1(nsend, &iremote));  in MatSetPreallocationCOO_MPIAIJ()
6456   PetscCall(PetscMalloc1(nsend, &offsets));  in MatSetPreallocationCOO_MPIAIJ()
6457   for (k = 0; k < nsend; k++) {  in MatSetPreallocationCOO_MPIAIJ()
6477   for (k = 0; k < nsend; k++) {  in MatSetPreallocationCOO_MPIAIJ()