CHECK_ACTION_PARAMS(action, comm_size + 1, 2)
int recv_size = parse_double(action[2 + comm_size]);
std::vector<int> disps(comm_size, 0);
- int sendcounts[comm_size];
- int send_sum = 0;
+ std::shared_ptr<std::vector<int>> sendcounts(new std::vector<int>(comm_size));
MPI_CURRENT_TYPE =
(action[4 + comm_size] && action[5 + comm_size]) ? decode_datatype(action[4 + comm_size]) : MPI_DEFAULT_TYPE;
void* send = nullptr;
void* recv = smpi_get_tmp_recvbuffer(recv_size * MPI_CURRENT_TYPE->size());
for (int i = 0; i < comm_size; i++) {
- sendcounts[i] = atoi(action[i + 2]);
- send_sum += sendcounts[i];
+ (*sendcounts)[i] = atoi(action[i + 2]);
}
+ int send_sum = std::accumulate(sendcounts->begin(), sendcounts->end(), 0);
int root = (action[3 + comm_size]) ? atoi(action[3 + comm_size]) : 0;
int rank = MPI_COMM_WORLD->rank();
if (rank == root)
send = smpi_get_tmp_sendbuffer(send_sum * MPI_CURRENT_TYPE2->size());
- std::vector<int>* trace_sendcounts = new std::vector<int>(sendcounts, sendcounts + comm_size);
-
- TRACE_smpi_comm_in(rank, __FUNCTION__, new simgrid::instr::VarCollTIData(
- "gatherV", root, -1, trace_sendcounts, recv_size, nullptr,
- encode_datatype(MPI_CURRENT_TYPE), encode_datatype(MPI_CURRENT_TYPE2)));
+ TRACE_smpi_comm_in(rank, __FUNCTION__, new simgrid::instr::VarCollTIData("gatherV", root, -1, sendcounts, recv_size,
+ nullptr, encode_datatype(MPI_CURRENT_TYPE),
+ encode_datatype(MPI_CURRENT_TYPE2)));
- Colls::scatterv(send, sendcounts, disps.data(), MPI_CURRENT_TYPE, recv, recv_size, MPI_CURRENT_TYPE2, root, MPI_COMM_WORLD);
+ Colls::scatterv(send, sendcounts->data(), disps.data(), MPI_CURRENT_TYPE, recv, recv_size, MPI_CURRENT_TYPE2, root,
+ MPI_COMM_WORLD);
TRACE_smpi_comm_out(Actor::self()->getPid());
log_timed_action(action, clock);