caffe node

message NetDef {
  optional string name = 1; // the network's name
  repeated OperatorDef op = 2;
  optional string type = 3;
}

// Operator Definition.
message OperatorDef {
  repeated string input = 1; // the name of the input blobs
  repeated string output = 2; // the name of output top blobs
  optional string type = 4;
  optional bool is_gradient_op = 9 [default = false];
}