- send_sum = std::accumulate(sendcounts->begin(), sendcounts->end(), 0);
- recv_sum = std::accumulate(recvcounts->begin(), recvcounts->end(), 0);
+ send_size_sum = std::accumulate(sendcounts->begin(), sendcounts->end(), 0);
+ recv_size_sum = std::accumulate(recvcounts->begin(), recvcounts->end(), 0);