Function BuildInputKey

euler/parser/optimizer.cc:157–165

}

std::string BuildInputKey(const std::string& node_name,
                          const std::vector<EdgeDef>& input_edges) {
  std::string key = node_name;
  for (const EdgeDef& e : input_edges) {
    std::string e_str = ToString(e.src_id_, "_", e.src_slot_);
    key = ToString(key, ",", e_str);
  }
  return key;
}

void Optimizer::CommonSubexpressionElimination(DAGDef* dag) {
  std::unordered_set<std::string> op_name_set({"ID_SPLIT", "ID_UNIQUE"});