extra->send_size = count*dt_size_send;
TRACE_smpi_ptp_in(rank, rank, dst_traced, __FUNCTION__, extra);
TRACE_smpi_send(rank, rank, dst_traced, tag,count*datatype->size());
extra->send_size = count*dt_size_send;
TRACE_smpi_ptp_in(rank, rank, dst_traced, __FUNCTION__, extra);
TRACE_smpi_send(rank, rank, dst_traced, tag,count*datatype->size());