CHECK_ACTION_PARAMS(action, comm_size+1, 2)
int send_size = parse_double(action[2]);
std::vector<int> disps(comm_size, 0);
- int recvcounts[comm_size];
- int recv_sum=0;
+ std::shared_ptr<std::vector<int>> recvcounts(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 = smpi_get_tmp_sendbuffer(send_size* MPI_CURRENT_TYPE->size());
void *recv = nullptr;
for(int i=0;i<comm_size;i++) {
- recvcounts[i] = atoi(action[i+3]);
- recv_sum=recv_sum+recvcounts[i];
+ (*recvcounts)[i] = atoi(action[i + 3]);
}
+ int recv_sum = std::accumulate(recvcounts->begin(), recvcounts->end(), 0);
int root = (action[3 + comm_size]) ? atoi(action[3 + comm_size]) : 0;
int rank = MPI_COMM_WORLD->rank();
if(rank==root)
recv = smpi_get_tmp_recvbuffer(recv_sum* MPI_CURRENT_TYPE2->size());
- std::vector<int>* trace_recvcounts = new std::vector<int>(recvcounts, recvcounts + comm_size);
-
TRACE_smpi_comm_in(rank, __FUNCTION__, new simgrid::instr::VarCollTIData(
- "gatherV", root, send_size, nullptr, -1, trace_recvcounts,
+ "gatherV", root, send_size, nullptr, -1, recvcounts,
encode_datatype(MPI_CURRENT_TYPE), encode_datatype(MPI_CURRENT_TYPE2)));
- Colls::gatherv(send, send_size, MPI_CURRENT_TYPE, recv, recvcounts, disps.data(), MPI_CURRENT_TYPE2, root,
+ Colls::gatherv(send, send_size, MPI_CURRENT_TYPE, recv, recvcounts->data(), disps.data(), MPI_CURRENT_TYPE2, root,
MPI_COMM_WORLD);
TRACE_smpi_comm_out(Actor::self()->getPid());