diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 2aecf79b..71af8ff1 100644
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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7d0aaebb..ba6e97e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,11 +38,12 @@ set(SITA_FILES
         main.cpp
         src/sita/stuff/memory_control.cpp
         src/sita/stuff/tensor.cpp
-      #  src/sita/protos/sita.pb.cc
+        src/sita/proto/sita.pb.cc
         src/sita/stuff/operators/add_op.cpp
         src/sita/stuff/workspace.cpp
         src/sita/stuff/operator.cpp
         src/sita/stuff/graph.cpp
+        src/sita/stuff/io_protobuff.cpp
         )
 
 
diff --git a/build/CMakeFiles/CMakeError.log b/build/CMakeFiles/CMakeError.log
index cd108081..9a156b04 100644
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 make[1]: Entering directory '/home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp'
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 collect2: error: ld returned 1 exit status
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 Change Dir: /home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp
 
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 collect2: error: ld returned 1 exit status
-CMakeFiles/cmTC_2d003.dir/build.make:97: recipe for target 'cmTC_2d003' failed
-make[1]: *** [cmTC_2d003] Error 1
+CMakeFiles/cmTC_7beb3.dir/build.make:97: recipe for target 'cmTC_7beb3' failed
+make[1]: *** [cmTC_7beb3] Error 1
 make[1]: Leaving directory '/home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp'
-Makefile:126: recipe for target 'cmTC_2d003/fast' failed
-make: *** [cmTC_2d003/fast] Error 2
+Makefile:126: recipe for target 'cmTC_7beb3/fast' failed
+make: *** [cmTC_7beb3/fast] Error 2
 
 
diff --git a/build/CMakeFiles/CMakeOutput.log b/build/CMakeFiles/CMakeOutput.log
index 345f23f4..f034a860 100644
--- a/build/CMakeFiles/CMakeOutput.log
+++ b/build/CMakeFiles/CMakeOutput.log
@@ -28,28 +28,28 @@ The CXX compiler identification is GNU, found in "/home/cs/Desktop/cs_work/sita/
 Determining if the C compiler works passed with the following output:
 Change Dir: /home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp
 
-Run Build Command:"/usr/bin/make" "cmTC_97875/fast"
-/usr/bin/make -f CMakeFiles/cmTC_97875.dir/build.make CMakeFiles/cmTC_97875.dir/build
+Run Build Command:"/usr/bin/make" "cmTC_47f76/fast"
+/usr/bin/make -f CMakeFiles/cmTC_47f76.dir/build.make CMakeFiles/cmTC_47f76.dir/build
 make[1]: Entering directory '/home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp'
-Building C object CMakeFiles/cmTC_97875.dir/testCCompiler.c.o
-/usr/bin/cc     -o CMakeFiles/cmTC_97875.dir/testCCompiler.c.o   -c /home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp/testCCompiler.c
-Linking C executable cmTC_97875
-/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_97875.dir/link.txt --verbose=1
-/usr/bin/cc       CMakeFiles/cmTC_97875.dir/testCCompiler.c.o  -o cmTC_97875 
+Building C object CMakeFiles/cmTC_47f76.dir/testCCompiler.c.o
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+Linking C executable cmTC_47f76
+/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_47f76.dir/link.txt --verbose=1
+/usr/bin/cc       CMakeFiles/cmTC_47f76.dir/testCCompiler.c.o  -o cmTC_47f76 
 make[1]: Leaving directory '/home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp'
 
 
 Detecting C compiler ABI info compiled with the following output:
 Change Dir: /home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp
 
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-/usr/bin/make -f CMakeFiles/cmTC_cd3db.dir/build.make CMakeFiles/cmTC_cd3db.dir/build
+Run Build Command:"/usr/bin/make" "cmTC_ad4d5/fast"
+/usr/bin/make -f CMakeFiles/cmTC_ad4d5.dir/build.make CMakeFiles/cmTC_ad4d5.dir/build
 make[1]: Entering directory '/home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp'
-Building C object CMakeFiles/cmTC_cd3db.dir/CMakeCCompilerABI.c.o
-/usr/bin/cc     -o CMakeFiles/cmTC_cd3db.dir/CMakeCCompilerABI.c.o   -c /usr/share/cmake-3.5/Modules/CMakeCCompilerABI.c
-Linking C executable cmTC_cd3db
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-/usr/bin/cc      -v CMakeFiles/cmTC_cd3db.dir/CMakeCCompilerABI.c.o  -o cmTC_cd3db  
+Building C object CMakeFiles/cmTC_ad4d5.dir/CMakeCCompilerABI.c.o
+/usr/bin/cc     -o CMakeFiles/cmTC_ad4d5.dir/CMakeCCompilerABI.c.o   -c /usr/share/cmake-3.5/Modules/CMakeCCompilerABI.c
+Linking C executable cmTC_ad4d5
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@@ -59,8 +59,8 @@ Thread model: posix
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     arg [-plugin-opt=-pass-through=-lgcc_s] ==> ignore
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-    arg [CMakeFiles/cmTC_cd3db.dir/CMakeCCompilerABI.c.o] ==> ignore
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-/usr/bin/make -f CMakeFiles/cmTC_ed8a5.dir/build.make CMakeFiles/cmTC_ed8a5.dir/build
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 make[1]: Entering directory '/home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp'
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 make[1]: Leaving directory '/home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp'
 
 
@@ -175,14 +175,14 @@ make[1]: Leaving directory '/home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMake
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 make[1]: Leaving directory '/home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp'
 
 
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 make[1]: Entering directory '/home/cs/Desktop/cs_work/sita/build/CMakeFiles/CMakeTmp'
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index 5b293683..6c587e25 100644
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@@ -6,4 +6,6 @@ CMAKE_PROGRESS_5 = 5
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diff --git a/build/CMakeFiles/sita.dir/src/sita/stuff/workspace.cpp.o b/build/CMakeFiles/sita.dir/src/sita/stuff/workspace.cpp.o
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index cd5ad4d7..8cba2139 100644
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+
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+
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+	$(MAKE) -f CMakeFiles/sita.dir/build.make CMakeFiles/sita.dir/src/sita/proto/sita.pb.cc.o
+.PHONY : src/sita/proto/sita.pb.cc.o
+
+src/sita/proto/sita.pb.i: src/sita/proto/sita.pb.cc.i
+
+.PHONY : src/sita/proto/sita.pb.i
+
+# target to preprocess a source file
+src/sita/proto/sita.pb.cc.i:
+	$(MAKE) -f CMakeFiles/sita.dir/build.make CMakeFiles/sita.dir/src/sita/proto/sita.pb.cc.i
+.PHONY : src/sita/proto/sita.pb.cc.i
+
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+
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+
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+src/sita/proto/sita.pb.cc.s:
+	$(MAKE) -f CMakeFiles/sita.dir/build.make CMakeFiles/sita.dir/src/sita/proto/sita.pb.cc.s
+.PHONY : src/sita/proto/sita.pb.cc.s
+
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 .PHONY : src/sita/stuff/graph.o
@@ -180,6 +207,33 @@ src/sita/stuff/graph.cpp.s:
 	$(MAKE) -f CMakeFiles/sita.dir/build.make CMakeFiles/sita.dir/src/sita/stuff/graph.cpp.s
 .PHONY : src/sita/stuff/graph.cpp.s
 
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+
+.PHONY : src/sita/stuff/io_protobuff.o
+
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+src/sita/stuff/io_protobuff.cpp.o:
+	$(MAKE) -f CMakeFiles/sita.dir/build.make CMakeFiles/sita.dir/src/sita/stuff/io_protobuff.cpp.o
+.PHONY : src/sita/stuff/io_protobuff.cpp.o
+
+src/sita/stuff/io_protobuff.i: src/sita/stuff/io_protobuff.cpp.i
+
+.PHONY : src/sita/stuff/io_protobuff.i
+
+# target to preprocess a source file
+src/sita/stuff/io_protobuff.cpp.i:
+	$(MAKE) -f CMakeFiles/sita.dir/build.make CMakeFiles/sita.dir/src/sita/stuff/io_protobuff.cpp.i
+.PHONY : src/sita/stuff/io_protobuff.cpp.i
+
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+
+.PHONY : src/sita/stuff/io_protobuff.s
+
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+src/sita/stuff/io_protobuff.cpp.s:
+	$(MAKE) -f CMakeFiles/sita.dir/build.make CMakeFiles/sita.dir/src/sita/stuff/io_protobuff.cpp.s
+.PHONY : src/sita/stuff/io_protobuff.cpp.s
+
 src/sita/stuff/memory_control.o: src/sita/stuff/memory_control.cpp.o
 
 .PHONY : src/sita/stuff/memory_control.o
@@ -327,9 +381,15 @@ help:
 	@echo "... main.o"
 	@echo "... main.i"
 	@echo "... main.s"
+	@echo "... src/sita/proto/sita.pb.o"
+	@echo "... src/sita/proto/sita.pb.i"
+	@echo "... src/sita/proto/sita.pb.s"
 	@echo "... src/sita/stuff/graph.o"
 	@echo "... src/sita/stuff/graph.i"
 	@echo "... src/sita/stuff/graph.s"
+	@echo "... src/sita/stuff/io_protobuff.o"
+	@echo "... src/sita/stuff/io_protobuff.i"
+	@echo "... src/sita/stuff/io_protobuff.s"
 	@echo "... src/sita/stuff/memory_control.o"
 	@echo "... src/sita/stuff/memory_control.i"
 	@echo "... src/sita/stuff/memory_control.s"
diff --git a/build/sita b/build/sita
index 8146c420..5ca8e00a 100755
Binary files a/build/sita and b/build/sita differ
diff --git a/include/sita/stuff/graph.h b/include/sita/stuff/graph.h
index de3744c7..fc105eaf 100644
--- a/include/sita/stuff/graph.h
+++ b/include/sita/stuff/graph.h
@@ -8,21 +8,23 @@
 #include <glog/logging.h>
 #include <string>
 #include "macros.h"
-#include "sita_parameter.h"
+#include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/text_format.h>
+#include "sita/proto/sita.pb.h"
+#include "io_protobuff.h"
 namespace sita{
 
 class Graph{
 public:
-    Graph(std::string name);
+    Graph(std::string model_file);
     ~Graph(){};
-
-    void append(std::string op_type, std::string name, std::vector<std::string> inputs, std::vector<std::string> outputs, SitaParameter param);
     void graph_symbol_show();
-    GraphSym * graph_sym(){
-        return &_graph_sym;}
+    GraphParameter * graph_sym(){
+        return &_graph;}
 
 private:
-    GraphSym _graph_sym;
+    GraphParameter _graph;
 
 };
 
diff --git a/include/sita/stuff/io_protobuff.h b/include/sita/stuff/io_protobuff.h
new file mode 100644
index 00000000..67e00f6f
--- /dev/null
+++ b/include/sita/stuff/io_protobuff.h
@@ -0,0 +1,33 @@
+//
+// Created by cs on 06/08/18.
+//
+
+#ifndef SITA_STUFF_IO_PROTOBUFF_H
+#define SITA_STUFF_IO_PROTOBUFF_H
+
+#include "google/protobuf/message.h"
+#include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/text_format.h>
+#include <glog/logging.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <boost/filesystem.hpp>
+#include <iomanip>
+
+namespace  sita{
+    using ::google::protobuf::Message;
+    using google::protobuf::io::FileInputStream;
+    using google::protobuf::io::FileOutputStream;
+    using google::protobuf::io::ZeroCopyInputStream;
+    using google::protobuf::io::CodedInputStream;
+    using google::protobuf::io::ZeroCopyOutputStream;
+    using google::protobuf::io::CodedOutputStream;
+    using google::protobuf::Message;
+    bool ReadProtoFromTextFile(const char* filename, Message* proto);
+}
+
+#endif //SITA_IO_PROTOBUFF_H
diff --git a/include/sita/stuff/operator.h b/include/sita/stuff/operator.h
index b6cdb847..80dbb5bb 100644
--- a/include/sita/stuff/operator.h
+++ b/include/sita/stuff/operator.h
@@ -8,19 +8,16 @@
 #include <string>
 #include "macros.h"
 #include "workspace.h"
-#include "sita_parameter.h"
 #include "types.h"
 namespace sita{
 
-
-
 template <typename Dtype>
 class GlobalWorkSpace;
 
 template <typename Dtype>
 class Operator{
 public:
-    Operator(const OperatorDef& opdef, GlobalWorkSpace<Dtype> *gws):_opdef(opdef),_gws(gws){}
+    Operator(const OperatorParameter& opdef, GlobalWorkSpace<Dtype> *gws):_opdef(opdef),_gws(gws){}
     ~Operator(){}
     void setup();
     void init_param(std::string param_name, std::vector<int> shape);
@@ -34,7 +31,7 @@ class Operator{
     virtual void backward(){};
 protected:
     GlobalWorkSpace<Dtype> *_gws;
-    OperatorDef _opdef;
+    OperatorParameter _opdef;
     Filler _filler;
     std::vector<std::string> _inputs;
     std::vector<std::string> _outputs;
diff --git a/include/sita/stuff/operators/add_op.h b/include/sita/stuff/operators/add_op.h
index 3ee31af1..3cd585a4 100644
--- a/include/sita/stuff/operators/add_op.h
+++ b/include/sita/stuff/operators/add_op.h
@@ -12,7 +12,8 @@ namespace sita{
 template<typename Dtype>
 class AddOp: public Operator<Dtype>{
 public:
-    AddOp(const OperatorDef& opdef, GlobalWorkSpace<Dtype> *gws):Operator<Dtype>(opdef,gws){
+    AddOp(const OperatorParameter& opdef, GlobalWorkSpace<Dtype> *gws):Operator<Dtype>(opdef,gws){
+        _add_op_param = opdef.add_op_param();
     }
     ~AddOp(){};
     void init();
@@ -22,6 +23,7 @@ class AddOp: public Operator<Dtype>{
 
 protected:
     bool _has_param = true;
+    AddOpParameter11 _add_op_param;
 
 
 };
diff --git a/include/sita/stuff/registry.h b/include/sita/stuff/registry.h
index 28d32cd8..3f053d07 100644
--- a/include/sita/stuff/registry.h
+++ b/include/sita/stuff/registry.h
@@ -17,7 +17,7 @@
 #include <boost/shared_ptr.hpp>
 #include "workspace.h"
 #include "operator.h"
-#include "sita_parameter.h"
+#include "sita/proto/sita.pb.h"
 namespace sita {
 
 
@@ -30,7 +30,7 @@ class GlobalWorkSpace;
 template <typename Dtype>
 class OperatorRegistry {
  public:
-  typedef boost::shared_ptr<Operator<Dtype> > (*Creator)(const OperatorDef&, GlobalWorkSpace<Dtype> *);
+  typedef boost::shared_ptr<Operator<Dtype> > (*Creator)(const OperatorParameter&, GlobalWorkSpace<Dtype> *);
   typedef std::map<std::string, Creator> CreatorRegistry;
 
   static CreatorRegistry& Registry() {
@@ -47,9 +47,9 @@ class OperatorRegistry {
   }
 
   // Get a operator using a Parameter.
-  static boost::shared_ptr<Operator<Dtype> > CreateOperator(const OperatorDef& param, GlobalWorkSpace<Dtype>* gws) {
-    LOG(INFO) << "Creating Operator " << param.name;
-    const std::string& type = param.type;
+  static boost::shared_ptr<Operator<Dtype> > CreateOperator(const OperatorParameter& param, GlobalWorkSpace<Dtype>* gws) {
+    LOG(INFO) << "Creating Operator " << param.name();
+    const std::string& type = param.type();
     CreatorRegistry& registry = Registry();
 
     CHECK_EQ(registry.count(type), 1) << "Unknown Operator type: " << type
@@ -91,7 +91,7 @@ template <typename Dtype>
 class OperatorRegisterer {
  public:
     OperatorRegisterer(const std::string& type,
-                  boost::shared_ptr<Operator<Dtype> > (*creator)(const OperatorDef&, GlobalWorkSpace<Dtype>*)) {
+                  boost::shared_ptr<Operator<Dtype> > (*creator)(const OperatorParameter&, GlobalWorkSpace<Dtype>*)) {
    
     OperatorRegistry<Dtype>::AddCreator(type, creator);
   }
@@ -104,7 +104,7 @@ class OperatorRegisterer {
 
 #define REGISTER_OPERATOR_CLASS(type)                                             \
   template <typename Dtype>                                                    \
-  boost::shared_ptr<Operator<Dtype> > Creator_##type(const OperatorDef& param,GlobalWorkSpace<Dtype>* gws) \
+  boost::shared_ptr<Operator<Dtype> > Creator_##type(const OperatorParameter& param,GlobalWorkSpace<Dtype>* gws) \
   {                                                                            \
     return boost::shared_ptr<Operator<Dtype> >(new type<Dtype>(param, gws));           \
   }                                                                            \
diff --git a/include/sita/stuff/sita_parameter.h b/include/sita/stuff/sita_parameter.h
deleted file mode 100644
index 2e3ce3e1..00000000
--- a/include/sita/stuff/sita_parameter.h
+++ /dev/null
@@ -1,38 +0,0 @@
-//
-// Created by cs on 31/07/18.
-//
-
-#ifndef SITA_STUFF_SITA_PARAMETER_H
-#define SITA_STUFF_SITA_PARAMETER_H
-
-#include "types.h"
-namespace  sita {
-
-struct AddOpParameter {
-    int stride_h = 1;
-    int stride_w =1;
-};
-struct DataTestParameter{
-    int batch_size = 1;
-};
-
-struct SitaParameter {
-    AddOpParameter add_op_param;
-    DataTestParameter data_test_param;
-    Filler filler;
-};
-struct OperatorDef{
-    std::string name;
-    std::string type;
-    std::vector<std::string> inputs;
-    std::vector<std::string> outputs;
-    SitaParameter param;
-};
-struct GraphSym{
-    std::string graph_name;
-    std::vector<OperatorDef > ops;
-};
-
-}//namespace
-
-#endif //SITA_OPERATORPARAMTER_H
diff --git a/include/sita/stuff/workspace.h b/include/sita/stuff/workspace.h
index b1415972..6cefee99 100644
--- a/include/sita/stuff/workspace.h
+++ b/include/sita/stuff/workspace.h
@@ -12,6 +12,7 @@
 #include "context.h"
 #include "macros.h"
 #include "graph.h"
+#include "types.h"
 #include "registry.h"
 #include "operator.h"
 namespace sita{
diff --git a/main.cpp b/main.cpp
index a3031eca..c8d5c12c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -12,39 +12,17 @@ int main(int argc, char** argv) {
     sita::GlobalWorkSpace<float > gws;
     gws.device_query();
     gws.set_device(0);
-    int k = 0;
-
-    sita::Graph graph("lenet");
-
-    std::vector<std::string> inputs;
-    inputs.push_back("images");
-    inputs.push_back("data");
-    std::vector<std::string> outputs;
-    outputs.push_back("add_res");
-    sita::SitaParameter data;
-    data.add_op_param.stride_w = 5;
-    data.add_op_param.stride_h = 6;
-    data.filler.type = "gauss";
-    graph.append("AddOp", "data", inputs, outputs, data);
-
 
-    inputs.clear();
-    inputs.push_back("add_res");
-    outputs.clear();
-    outputs.push_back("loss");
-    sita::SitaParameter add1;
-    add1.add_op_param.stride_w = 10;
-    graph.append("AddOp", "add1", inputs, outputs, add1);
+    std::string model_file = "../test.prototxt";
+    sita::Graph graph(model_file);
 
     gws.build_graph(&graph);
     gws.global_init();
-
+    int k = 0;
     while(k!=1) {
         k++;
       //  LOG(INFO) << gws.temp_tensor_memory_size();
         gws.train();
-
-
     }
     //workspace test
 
diff --git a/src/sita/proto/sita.pb.cc b/src/sita/proto/sita.pb.cc
new file mode 100644
index 00000000..7cc1aa27
--- /dev/null
+++ b/src/sita/proto/sita.pb.cc
@@ -0,0 +1,1402 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: sita.proto
+
+#define INTERNAL_SUPPRESS_PROTOBUF_FIELD_DEPRECATION
+#include "sita.pb.h"
+
+#include <algorithm>
+
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/once.h>
+#include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/wire_format_lite_inl.h>
+#include <google/protobuf/descriptor.h>
+#include <google/protobuf/generated_message_reflection.h>
+#include <google/protobuf/reflection_ops.h>
+#include <google/protobuf/wire_format.h>
+// @@protoc_insertion_point(includes)
+
+namespace {
+
+const ::google::protobuf::Descriptor* GraphParameter_descriptor_ = NULL;
+const ::google::protobuf::internal::GeneratedMessageReflection*
+  GraphParameter_reflection_ = NULL;
+const ::google::protobuf::Descriptor* OperatorParameter_descriptor_ = NULL;
+const ::google::protobuf::internal::GeneratedMessageReflection*
+  OperatorParameter_reflection_ = NULL;
+const ::google::protobuf::Descriptor* AddOpParameter11_descriptor_ = NULL;
+const ::google::protobuf::internal::GeneratedMessageReflection*
+  AddOpParameter11_reflection_ = NULL;
+
+}  // namespace
+
+
+void protobuf_AssignDesc_sita_2eproto() {
+  protobuf_AddDesc_sita_2eproto();
+  const ::google::protobuf::FileDescriptor* file =
+    ::google::protobuf::DescriptorPool::generated_pool()->FindFileByName(
+      "sita.proto");
+  GOOGLE_CHECK(file != NULL);
+  GraphParameter_descriptor_ = file->message_type(0);
+  static const int GraphParameter_offsets_[2] = {
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(GraphParameter, name_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(GraphParameter, operatordef_),
+  };
+  GraphParameter_reflection_ =
+    new ::google::protobuf::internal::GeneratedMessageReflection(
+      GraphParameter_descriptor_,
+      GraphParameter::default_instance_,
+      GraphParameter_offsets_,
+      GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(GraphParameter, _has_bits_[0]),
+      GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(GraphParameter, _unknown_fields_),
+      -1,
+      ::google::protobuf::DescriptorPool::generated_pool(),
+      ::google::protobuf::MessageFactory::generated_factory(),
+      sizeof(GraphParameter));
+  OperatorParameter_descriptor_ = file->message_type(1);
+  static const int OperatorParameter_offsets_[6] = {
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(OperatorParameter, name_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(OperatorParameter, type_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(OperatorParameter, input_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(OperatorParameter, output_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(OperatorParameter, loss_weight_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(OperatorParameter, add_op_param_),
+  };
+  OperatorParameter_reflection_ =
+    new ::google::protobuf::internal::GeneratedMessageReflection(
+      OperatorParameter_descriptor_,
+      OperatorParameter::default_instance_,
+      OperatorParameter_offsets_,
+      GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(OperatorParameter, _has_bits_[0]),
+      GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(OperatorParameter, _unknown_fields_),
+      -1,
+      ::google::protobuf::DescriptorPool::generated_pool(),
+      ::google::protobuf::MessageFactory::generated_factory(),
+      sizeof(OperatorParameter));
+  AddOpParameter11_descriptor_ = file->message_type(2);
+  static const int AddOpParameter11_offsets_[7] = {
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(AddOpParameter11, bias_term_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(AddOpParameter11, pad_h_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(AddOpParameter11, pad_w_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(AddOpParameter11, kernel_h_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(AddOpParameter11, kernel_w_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(AddOpParameter11, stride_h_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(AddOpParameter11, stride_w_),
+  };
+  AddOpParameter11_reflection_ =
+    new ::google::protobuf::internal::GeneratedMessageReflection(
+      AddOpParameter11_descriptor_,
+      AddOpParameter11::default_instance_,
+      AddOpParameter11_offsets_,
+      GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(AddOpParameter11, _has_bits_[0]),
+      GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(AddOpParameter11, _unknown_fields_),
+      -1,
+      ::google::protobuf::DescriptorPool::generated_pool(),
+      ::google::protobuf::MessageFactory::generated_factory(),
+      sizeof(AddOpParameter11));
+}
+
+namespace {
+
+GOOGLE_PROTOBUF_DECLARE_ONCE(protobuf_AssignDescriptors_once_);
+inline void protobuf_AssignDescriptorsOnce() {
+  ::google::protobuf::GoogleOnceInit(&protobuf_AssignDescriptors_once_,
+                 &protobuf_AssignDesc_sita_2eproto);
+}
+
+void protobuf_RegisterTypes(const ::std::string&) {
+  protobuf_AssignDescriptorsOnce();
+  ::google::protobuf::MessageFactory::InternalRegisterGeneratedMessage(
+    GraphParameter_descriptor_, &GraphParameter::default_instance());
+  ::google::protobuf::MessageFactory::InternalRegisterGeneratedMessage(
+    OperatorParameter_descriptor_, &OperatorParameter::default_instance());
+  ::google::protobuf::MessageFactory::InternalRegisterGeneratedMessage(
+    AddOpParameter11_descriptor_, &AddOpParameter11::default_instance());
+}
+
+}  // namespace
+
+void protobuf_ShutdownFile_sita_2eproto() {
+  delete GraphParameter::default_instance_;
+  delete GraphParameter_reflection_;
+  delete OperatorParameter::default_instance_;
+  delete OperatorParameter_reflection_;
+  delete AddOpParameter11::default_instance_;
+  delete AddOpParameter11_reflection_;
+}
+
+void protobuf_AddDesc_sita_2eproto() {
+  static bool already_here = false;
+  if (already_here) return;
+  already_here = true;
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+  ::google::protobuf::DescriptorPool::InternalAddGeneratedFile(
+    "\n\nsita.proto\"G\n\016GraphParameter\022\014\n\004name\030\001"
+    " \001(\t\022\'\n\013operatordef\030\002 \003(\0132\022.OperatorPara"
+    "meter\"\214\001\n\021OperatorParameter\022\014\n\004name\030\001 \001("
+    "\t\022\014\n\004type\030\002 \001(\t\022\r\n\005input\030\003 \003(\t\022\016\n\006output"
+    "\030\004 \003(\t\022\023\n\013loss_weight\030\005 \003(\002\022\'\n\014add_op_pa"
+    "ram\030d \001(\0132\021.AddOpParameter11\"\227\001\n\020AddOpPa"
+    "rameter11\022\027\n\tbias_term\030\001 \001(\010:\004true\022\020\n\005pa"
+    "d_h\030\002 \001(\r:\0010\022\020\n\005pad_w\030\003 \001(\r:\0010\022\020\n\010kernel"
+    "_h\030\004 \001(\r\022\020\n\010kernel_w\030\005 \001(\r\022\020\n\010stride_h\030\006"
+    " \001(\r\022\020\n\010stride_w\030\007 \001(\r", 382);
+  ::google::protobuf::MessageFactory::InternalRegisterGeneratedFile(
+    "sita.proto", &protobuf_RegisterTypes);
+  GraphParameter::default_instance_ = new GraphParameter();
+  OperatorParameter::default_instance_ = new OperatorParameter();
+  AddOpParameter11::default_instance_ = new AddOpParameter11();
+  GraphParameter::default_instance_->InitAsDefaultInstance();
+  OperatorParameter::default_instance_->InitAsDefaultInstance();
+  AddOpParameter11::default_instance_->InitAsDefaultInstance();
+  ::google::protobuf::internal::OnShutdown(&protobuf_ShutdownFile_sita_2eproto);
+}
+
+// Force AddDescriptors() to be called at static initialization time.
+struct StaticDescriptorInitializer_sita_2eproto {
+  StaticDescriptorInitializer_sita_2eproto() {
+    protobuf_AddDesc_sita_2eproto();
+  }
+} static_descriptor_initializer_sita_2eproto_;
+
+// ===================================================================
+
+#ifndef _MSC_VER
+const int GraphParameter::kNameFieldNumber;
+const int GraphParameter::kOperatordefFieldNumber;
+#endif  // !_MSC_VER
+
+GraphParameter::GraphParameter()
+  : ::google::protobuf::Message() {
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:GraphParameter)
+}
+
+void GraphParameter::InitAsDefaultInstance() {
+}
+
+GraphParameter::GraphParameter(const GraphParameter& from)
+  : ::google::protobuf::Message() {
+  SharedCtor();
+  MergeFrom(from);
+  // @@protoc_insertion_point(copy_constructor:GraphParameter)
+}
+
+void GraphParameter::SharedCtor() {
+  ::google::protobuf::internal::GetEmptyString();
+  _cached_size_ = 0;
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  ::memset(_has_bits_, 0, sizeof(_has_bits_));
+}
+
+GraphParameter::~GraphParameter() {
+  // @@protoc_insertion_point(destructor:GraphParameter)
+  SharedDtor();
+}
+
+void GraphParameter::SharedDtor() {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    delete name_;
+  }
+  if (this != default_instance_) {
+  }
+}
+
+void GraphParameter::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* GraphParameter::descriptor() {
+  protobuf_AssignDescriptorsOnce();
+  return GraphParameter_descriptor_;
+}
+
+const GraphParameter& GraphParameter::default_instance() {
+  if (default_instance_ == NULL) protobuf_AddDesc_sita_2eproto();
+  return *default_instance_;
+}
+
+GraphParameter* GraphParameter::default_instance_ = NULL;
+
+GraphParameter* GraphParameter::New() const {
+  return new GraphParameter;
+}
+
+void GraphParameter::Clear() {
+  if (has_name()) {
+    if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+      name_->clear();
+    }
+  }
+  operatordef_.Clear();
+  ::memset(_has_bits_, 0, sizeof(_has_bits_));
+  mutable_unknown_fields()->Clear();
+}
+
+bool GraphParameter::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:GraphParameter)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoff(127);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // optional string name = 1;
+      case 1: {
+        if (tag == 10) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->mutable_name()));
+          ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+            this->name().data(), this->name().length(),
+            ::google::protobuf::internal::WireFormat::PARSE,
+            "name");
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(18)) goto parse_operatordef;
+        break;
+      }
+
+      // repeated .OperatorParameter operatordef = 2;
+      case 2: {
+        if (tag == 18) {
+         parse_operatordef:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessageNoVirtual(
+                input, add_operatordef()));
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(18)) goto parse_operatordef;
+        if (input->ExpectAtEnd()) goto success;
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0 ||
+            ::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_END_GROUP) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:GraphParameter)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:GraphParameter)
+  return false;
+#undef DO_
+}
+
+void GraphParameter::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:GraphParameter)
+  // optional string name = 1;
+  if (has_name()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+      this->name().data(), this->name().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE,
+      "name");
+    ::google::protobuf::internal::WireFormatLite::WriteStringMaybeAliased(
+      1, this->name(), output);
+  }
+
+  // repeated .OperatorParameter operatordef = 2;
+  for (int i = 0; i < this->operatordef_size(); i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      2, this->operatordef(i), output);
+  }
+
+  if (!unknown_fields().empty()) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        unknown_fields(), output);
+  }
+  // @@protoc_insertion_point(serialize_end:GraphParameter)
+}
+
+::google::protobuf::uint8* GraphParameter::SerializeWithCachedSizesToArray(
+    ::google::protobuf::uint8* target) const {
+  // @@protoc_insertion_point(serialize_to_array_start:GraphParameter)
+  // optional string name = 1;
+  if (has_name()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+      this->name().data(), this->name().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE,
+      "name");
+    target =
+      ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
+        1, this->name(), target);
+  }
+
+  // repeated .OperatorParameter operatordef = 2;
+  for (int i = 0; i < this->operatordef_size(); i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteMessageNoVirtualToArray(
+        2, this->operatordef(i), target);
+  }
+
+  if (!unknown_fields().empty()) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        unknown_fields(), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:GraphParameter)
+  return target;
+}
+
+int GraphParameter::ByteSize() const {
+  int total_size = 0;
+
+  if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
+    // optional string name = 1;
+    if (has_name()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::StringSize(
+          this->name());
+    }
+
+  }
+  // repeated .OperatorParameter operatordef = 2;
+  total_size += 1 * this->operatordef_size();
+  for (int i = 0; i < this->operatordef_size(); i++) {
+    total_size +=
+      ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
+        this->operatordef(i));
+  }
+
+  if (!unknown_fields().empty()) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        unknown_fields());
+  }
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = total_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void GraphParameter::MergeFrom(const ::google::protobuf::Message& from) {
+  GOOGLE_CHECK_NE(&from, this);
+  const GraphParameter* source =
+    ::google::protobuf::internal::dynamic_cast_if_available<const GraphParameter*>(
+      &from);
+  if (source == NULL) {
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+    MergeFrom(*source);
+  }
+}
+
+void GraphParameter::MergeFrom(const GraphParameter& from) {
+  GOOGLE_CHECK_NE(&from, this);
+  operatordef_.MergeFrom(from.operatordef_);
+  if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
+    if (from.has_name()) {
+      set_name(from.name());
+    }
+  }
+  mutable_unknown_fields()->MergeFrom(from.unknown_fields());
+}
+
+void GraphParameter::CopyFrom(const ::google::protobuf::Message& from) {
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void GraphParameter::CopyFrom(const GraphParameter& from) {
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool GraphParameter::IsInitialized() const {
+
+  return true;
+}
+
+void GraphParameter::Swap(GraphParameter* other) {
+  if (other != this) {
+    std::swap(name_, other->name_);
+    operatordef_.Swap(&other->operatordef_);
+    std::swap(_has_bits_[0], other->_has_bits_[0]);
+    _unknown_fields_.Swap(&other->_unknown_fields_);
+    std::swap(_cached_size_, other->_cached_size_);
+  }
+}
+
+::google::protobuf::Metadata GraphParameter::GetMetadata() const {
+  protobuf_AssignDescriptorsOnce();
+  ::google::protobuf::Metadata metadata;
+  metadata.descriptor = GraphParameter_descriptor_;
+  metadata.reflection = GraphParameter_reflection_;
+  return metadata;
+}
+
+
+// ===================================================================
+
+#ifndef _MSC_VER
+const int OperatorParameter::kNameFieldNumber;
+const int OperatorParameter::kTypeFieldNumber;
+const int OperatorParameter::kInputFieldNumber;
+const int OperatorParameter::kOutputFieldNumber;
+const int OperatorParameter::kLossWeightFieldNumber;
+const int OperatorParameter::kAddOpParamFieldNumber;
+#endif  // !_MSC_VER
+
+OperatorParameter::OperatorParameter()
+  : ::google::protobuf::Message() {
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:OperatorParameter)
+}
+
+void OperatorParameter::InitAsDefaultInstance() {
+  add_op_param_ = const_cast< ::AddOpParameter11*>(&::AddOpParameter11::default_instance());
+}
+
+OperatorParameter::OperatorParameter(const OperatorParameter& from)
+  : ::google::protobuf::Message() {
+  SharedCtor();
+  MergeFrom(from);
+  // @@protoc_insertion_point(copy_constructor:OperatorParameter)
+}
+
+void OperatorParameter::SharedCtor() {
+  ::google::protobuf::internal::GetEmptyString();
+  _cached_size_ = 0;
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  type_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  add_op_param_ = NULL;
+  ::memset(_has_bits_, 0, sizeof(_has_bits_));
+}
+
+OperatorParameter::~OperatorParameter() {
+  // @@protoc_insertion_point(destructor:OperatorParameter)
+  SharedDtor();
+}
+
+void OperatorParameter::SharedDtor() {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    delete name_;
+  }
+  if (type_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    delete type_;
+  }
+  if (this != default_instance_) {
+    delete add_op_param_;
+  }
+}
+
+void OperatorParameter::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* OperatorParameter::descriptor() {
+  protobuf_AssignDescriptorsOnce();
+  return OperatorParameter_descriptor_;
+}
+
+const OperatorParameter& OperatorParameter::default_instance() {
+  if (default_instance_ == NULL) protobuf_AddDesc_sita_2eproto();
+  return *default_instance_;
+}
+
+OperatorParameter* OperatorParameter::default_instance_ = NULL;
+
+OperatorParameter* OperatorParameter::New() const {
+  return new OperatorParameter;
+}
+
+void OperatorParameter::Clear() {
+  if (_has_bits_[0 / 32] & 35) {
+    if (has_name()) {
+      if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+        name_->clear();
+      }
+    }
+    if (has_type()) {
+      if (type_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+        type_->clear();
+      }
+    }
+    if (has_add_op_param()) {
+      if (add_op_param_ != NULL) add_op_param_->::AddOpParameter11::Clear();
+    }
+  }
+  input_.Clear();
+  output_.Clear();
+  loss_weight_.Clear();
+  ::memset(_has_bits_, 0, sizeof(_has_bits_));
+  mutable_unknown_fields()->Clear();
+}
+
+bool OperatorParameter::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:OperatorParameter)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoff(16383);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // optional string name = 1;
+      case 1: {
+        if (tag == 10) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->mutable_name()));
+          ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+            this->name().data(), this->name().length(),
+            ::google::protobuf::internal::WireFormat::PARSE,
+            "name");
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(18)) goto parse_type;
+        break;
+      }
+
+      // optional string type = 2;
+      case 2: {
+        if (tag == 18) {
+         parse_type:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->mutable_type()));
+          ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+            this->type().data(), this->type().length(),
+            ::google::protobuf::internal::WireFormat::PARSE,
+            "type");
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(26)) goto parse_input;
+        break;
+      }
+
+      // repeated string input = 3;
+      case 3: {
+        if (tag == 26) {
+         parse_input:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->add_input()));
+          ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+            this->input(this->input_size() - 1).data(),
+            this->input(this->input_size() - 1).length(),
+            ::google::protobuf::internal::WireFormat::PARSE,
+            "input");
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(26)) goto parse_input;
+        if (input->ExpectTag(34)) goto parse_output;
+        break;
+      }
+
+      // repeated string output = 4;
+      case 4: {
+        if (tag == 34) {
+         parse_output:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->add_output()));
+          ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+            this->output(this->output_size() - 1).data(),
+            this->output(this->output_size() - 1).length(),
+            ::google::protobuf::internal::WireFormat::PARSE,
+            "output");
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(34)) goto parse_output;
+        if (input->ExpectTag(45)) goto parse_loss_weight;
+        break;
+      }
+
+      // repeated float loss_weight = 5;
+      case 5: {
+        if (tag == 45) {
+         parse_loss_weight:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadRepeatedPrimitive<
+                   float, ::google::protobuf::internal::WireFormatLite::TYPE_FLOAT>(
+                 1, 45, input, this->mutable_loss_weight())));
+        } else if (tag == 42) {
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPackedPrimitiveNoInline<
+                   float, ::google::protobuf::internal::WireFormatLite::TYPE_FLOAT>(
+                 input, this->mutable_loss_weight())));
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(45)) goto parse_loss_weight;
+        if (input->ExpectTag(802)) goto parse_add_op_param;
+        break;
+      }
+
+      // optional .AddOpParameter11 add_op_param = 100;
+      case 100: {
+        if (tag == 802) {
+         parse_add_op_param:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessageNoVirtual(
+               input, mutable_add_op_param()));
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectAtEnd()) goto success;
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0 ||
+            ::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_END_GROUP) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:OperatorParameter)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:OperatorParameter)
+  return false;
+#undef DO_
+}
+
+void OperatorParameter::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:OperatorParameter)
+  // optional string name = 1;
+  if (has_name()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+      this->name().data(), this->name().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE,
+      "name");
+    ::google::protobuf::internal::WireFormatLite::WriteStringMaybeAliased(
+      1, this->name(), output);
+  }
+
+  // optional string type = 2;
+  if (has_type()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+      this->type().data(), this->type().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE,
+      "type");
+    ::google::protobuf::internal::WireFormatLite::WriteStringMaybeAliased(
+      2, this->type(), output);
+  }
+
+  // repeated string input = 3;
+  for (int i = 0; i < this->input_size(); i++) {
+  ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+    this->input(i).data(), this->input(i).length(),
+    ::google::protobuf::internal::WireFormat::SERIALIZE,
+    "input");
+    ::google::protobuf::internal::WireFormatLite::WriteString(
+      3, this->input(i), output);
+  }
+
+  // repeated string output = 4;
+  for (int i = 0; i < this->output_size(); i++) {
+  ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+    this->output(i).data(), this->output(i).length(),
+    ::google::protobuf::internal::WireFormat::SERIALIZE,
+    "output");
+    ::google::protobuf::internal::WireFormatLite::WriteString(
+      4, this->output(i), output);
+  }
+
+  // repeated float loss_weight = 5;
+  for (int i = 0; i < this->loss_weight_size(); i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteFloat(
+      5, this->loss_weight(i), output);
+  }
+
+  // optional .AddOpParameter11 add_op_param = 100;
+  if (has_add_op_param()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      100, this->add_op_param(), output);
+  }
+
+  if (!unknown_fields().empty()) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        unknown_fields(), output);
+  }
+  // @@protoc_insertion_point(serialize_end:OperatorParameter)
+}
+
+::google::protobuf::uint8* OperatorParameter::SerializeWithCachedSizesToArray(
+    ::google::protobuf::uint8* target) const {
+  // @@protoc_insertion_point(serialize_to_array_start:OperatorParameter)
+  // optional string name = 1;
+  if (has_name()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+      this->name().data(), this->name().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE,
+      "name");
+    target =
+      ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
+        1, this->name(), target);
+  }
+
+  // optional string type = 2;
+  if (has_type()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+      this->type().data(), this->type().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE,
+      "type");
+    target =
+      ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
+        2, this->type(), target);
+  }
+
+  // repeated string input = 3;
+  for (int i = 0; i < this->input_size(); i++) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+      this->input(i).data(), this->input(i).length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE,
+      "input");
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteStringToArray(3, this->input(i), target);
+  }
+
+  // repeated string output = 4;
+  for (int i = 0; i < this->output_size(); i++) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8StringNamedField(
+      this->output(i).data(), this->output(i).length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE,
+      "output");
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteStringToArray(4, this->output(i), target);
+  }
+
+  // repeated float loss_weight = 5;
+  for (int i = 0; i < this->loss_weight_size(); i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteFloatToArray(5, this->loss_weight(i), target);
+  }
+
+  // optional .AddOpParameter11 add_op_param = 100;
+  if (has_add_op_param()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteMessageNoVirtualToArray(
+        100, this->add_op_param(), target);
+  }
+
+  if (!unknown_fields().empty()) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        unknown_fields(), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:OperatorParameter)
+  return target;
+}
+
+int OperatorParameter::ByteSize() const {
+  int total_size = 0;
+
+  if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
+    // optional string name = 1;
+    if (has_name()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::StringSize(
+          this->name());
+    }
+
+    // optional string type = 2;
+    if (has_type()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::StringSize(
+          this->type());
+    }
+
+    // optional .AddOpParameter11 add_op_param = 100;
+    if (has_add_op_param()) {
+      total_size += 2 +
+        ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
+          this->add_op_param());
+    }
+
+  }
+  // repeated string input = 3;
+  total_size += 1 * this->input_size();
+  for (int i = 0; i < this->input_size(); i++) {
+    total_size += ::google::protobuf::internal::WireFormatLite::StringSize(
+      this->input(i));
+  }
+
+  // repeated string output = 4;
+  total_size += 1 * this->output_size();
+  for (int i = 0; i < this->output_size(); i++) {
+    total_size += ::google::protobuf::internal::WireFormatLite::StringSize(
+      this->output(i));
+  }
+
+  // repeated float loss_weight = 5;
+  {
+    int data_size = 0;
+    data_size = 4 * this->loss_weight_size();
+    total_size += 1 * this->loss_weight_size() + data_size;
+  }
+
+  if (!unknown_fields().empty()) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        unknown_fields());
+  }
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = total_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void OperatorParameter::MergeFrom(const ::google::protobuf::Message& from) {
+  GOOGLE_CHECK_NE(&from, this);
+  const OperatorParameter* source =
+    ::google::protobuf::internal::dynamic_cast_if_available<const OperatorParameter*>(
+      &from);
+  if (source == NULL) {
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+    MergeFrom(*source);
+  }
+}
+
+void OperatorParameter::MergeFrom(const OperatorParameter& from) {
+  GOOGLE_CHECK_NE(&from, this);
+  input_.MergeFrom(from.input_);
+  output_.MergeFrom(from.output_);
+  loss_weight_.MergeFrom(from.loss_weight_);
+  if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
+    if (from.has_name()) {
+      set_name(from.name());
+    }
+    if (from.has_type()) {
+      set_type(from.type());
+    }
+    if (from.has_add_op_param()) {
+      mutable_add_op_param()->::AddOpParameter11::MergeFrom(from.add_op_param());
+    }
+  }
+  mutable_unknown_fields()->MergeFrom(from.unknown_fields());
+}
+
+void OperatorParameter::CopyFrom(const ::google::protobuf::Message& from) {
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void OperatorParameter::CopyFrom(const OperatorParameter& from) {
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool OperatorParameter::IsInitialized() const {
+
+  return true;
+}
+
+void OperatorParameter::Swap(OperatorParameter* other) {
+  if (other != this) {
+    std::swap(name_, other->name_);
+    std::swap(type_, other->type_);
+    input_.Swap(&other->input_);
+    output_.Swap(&other->output_);
+    loss_weight_.Swap(&other->loss_weight_);
+    std::swap(add_op_param_, other->add_op_param_);
+    std::swap(_has_bits_[0], other->_has_bits_[0]);
+    _unknown_fields_.Swap(&other->_unknown_fields_);
+    std::swap(_cached_size_, other->_cached_size_);
+  }
+}
+
+::google::protobuf::Metadata OperatorParameter::GetMetadata() const {
+  protobuf_AssignDescriptorsOnce();
+  ::google::protobuf::Metadata metadata;
+  metadata.descriptor = OperatorParameter_descriptor_;
+  metadata.reflection = OperatorParameter_reflection_;
+  return metadata;
+}
+
+
+// ===================================================================
+
+#ifndef _MSC_VER
+const int AddOpParameter11::kBiasTermFieldNumber;
+const int AddOpParameter11::kPadHFieldNumber;
+const int AddOpParameter11::kPadWFieldNumber;
+const int AddOpParameter11::kKernelHFieldNumber;
+const int AddOpParameter11::kKernelWFieldNumber;
+const int AddOpParameter11::kStrideHFieldNumber;
+const int AddOpParameter11::kStrideWFieldNumber;
+#endif  // !_MSC_VER
+
+AddOpParameter11::AddOpParameter11()
+  : ::google::protobuf::Message() {
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:AddOpParameter11)
+}
+
+void AddOpParameter11::InitAsDefaultInstance() {
+}
+
+AddOpParameter11::AddOpParameter11(const AddOpParameter11& from)
+  : ::google::protobuf::Message() {
+  SharedCtor();
+  MergeFrom(from);
+  // @@protoc_insertion_point(copy_constructor:AddOpParameter11)
+}
+
+void AddOpParameter11::SharedCtor() {
+  _cached_size_ = 0;
+  bias_term_ = true;
+  pad_h_ = 0u;
+  pad_w_ = 0u;
+  kernel_h_ = 0u;
+  kernel_w_ = 0u;
+  stride_h_ = 0u;
+  stride_w_ = 0u;
+  ::memset(_has_bits_, 0, sizeof(_has_bits_));
+}
+
+AddOpParameter11::~AddOpParameter11() {
+  // @@protoc_insertion_point(destructor:AddOpParameter11)
+  SharedDtor();
+}
+
+void AddOpParameter11::SharedDtor() {
+  if (this != default_instance_) {
+  }
+}
+
+void AddOpParameter11::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* AddOpParameter11::descriptor() {
+  protobuf_AssignDescriptorsOnce();
+  return AddOpParameter11_descriptor_;
+}
+
+const AddOpParameter11& AddOpParameter11::default_instance() {
+  if (default_instance_ == NULL) protobuf_AddDesc_sita_2eproto();
+  return *default_instance_;
+}
+
+AddOpParameter11* AddOpParameter11::default_instance_ = NULL;
+
+AddOpParameter11* AddOpParameter11::New() const {
+  return new AddOpParameter11;
+}
+
+void AddOpParameter11::Clear() {
+#define OFFSET_OF_FIELD_(f) (reinterpret_cast<char*>(      \
+  &reinterpret_cast<AddOpParameter11*>(16)->f) - \
+   reinterpret_cast<char*>(16))
+
+#define ZR_(first, last) do {                              \
+    size_t f = OFFSET_OF_FIELD_(first);                    \
+    size_t n = OFFSET_OF_FIELD_(last) - f + sizeof(last);  \
+    ::memset(&first, 0, n);                                \
+  } while (0)
+
+  if (_has_bits_[0 / 32] & 127) {
+    ZR_(pad_h_, stride_w_);
+    bias_term_ = true;
+  }
+
+#undef OFFSET_OF_FIELD_
+#undef ZR_
+
+  ::memset(_has_bits_, 0, sizeof(_has_bits_));
+  mutable_unknown_fields()->Clear();
+}
+
+bool AddOpParameter11::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:AddOpParameter11)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoff(127);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // optional bool bias_term = 1 [default = true];
+      case 1: {
+        if (tag == 8) {
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
+                 input, &bias_term_)));
+          set_has_bias_term();
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(16)) goto parse_pad_h;
+        break;
+      }
+
+      // optional uint32 pad_h = 2 [default = 0];
+      case 2: {
+        if (tag == 16) {
+         parse_pad_h:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   ::google::protobuf::uint32, ::google::protobuf::internal::WireFormatLite::TYPE_UINT32>(
+                 input, &pad_h_)));
+          set_has_pad_h();
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(24)) goto parse_pad_w;
+        break;
+      }
+
+      // optional uint32 pad_w = 3 [default = 0];
+      case 3: {
+        if (tag == 24) {
+         parse_pad_w:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   ::google::protobuf::uint32, ::google::protobuf::internal::WireFormatLite::TYPE_UINT32>(
+                 input, &pad_w_)));
+          set_has_pad_w();
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(32)) goto parse_kernel_h;
+        break;
+      }
+
+      // optional uint32 kernel_h = 4;
+      case 4: {
+        if (tag == 32) {
+         parse_kernel_h:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   ::google::protobuf::uint32, ::google::protobuf::internal::WireFormatLite::TYPE_UINT32>(
+                 input, &kernel_h_)));
+          set_has_kernel_h();
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(40)) goto parse_kernel_w;
+        break;
+      }
+
+      // optional uint32 kernel_w = 5;
+      case 5: {
+        if (tag == 40) {
+         parse_kernel_w:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   ::google::protobuf::uint32, ::google::protobuf::internal::WireFormatLite::TYPE_UINT32>(
+                 input, &kernel_w_)));
+          set_has_kernel_w();
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(48)) goto parse_stride_h;
+        break;
+      }
+
+      // optional uint32 stride_h = 6;
+      case 6: {
+        if (tag == 48) {
+         parse_stride_h:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   ::google::protobuf::uint32, ::google::protobuf::internal::WireFormatLite::TYPE_UINT32>(
+                 input, &stride_h_)));
+          set_has_stride_h();
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectTag(56)) goto parse_stride_w;
+        break;
+      }
+
+      // optional uint32 stride_w = 7;
+      case 7: {
+        if (tag == 56) {
+         parse_stride_w:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   ::google::protobuf::uint32, ::google::protobuf::internal::WireFormatLite::TYPE_UINT32>(
+                 input, &stride_w_)));
+          set_has_stride_w();
+        } else {
+          goto handle_unusual;
+        }
+        if (input->ExpectAtEnd()) goto success;
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0 ||
+            ::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_END_GROUP) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:AddOpParameter11)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:AddOpParameter11)
+  return false;
+#undef DO_
+}
+
+void AddOpParameter11::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:AddOpParameter11)
+  // optional bool bias_term = 1 [default = true];
+  if (has_bias_term()) {
+    ::google::protobuf::internal::WireFormatLite::WriteBool(1, this->bias_term(), output);
+  }
+
+  // optional uint32 pad_h = 2 [default = 0];
+  if (has_pad_h()) {
+    ::google::protobuf::internal::WireFormatLite::WriteUInt32(2, this->pad_h(), output);
+  }
+
+  // optional uint32 pad_w = 3 [default = 0];
+  if (has_pad_w()) {
+    ::google::protobuf::internal::WireFormatLite::WriteUInt32(3, this->pad_w(), output);
+  }
+
+  // optional uint32 kernel_h = 4;
+  if (has_kernel_h()) {
+    ::google::protobuf::internal::WireFormatLite::WriteUInt32(4, this->kernel_h(), output);
+  }
+
+  // optional uint32 kernel_w = 5;
+  if (has_kernel_w()) {
+    ::google::protobuf::internal::WireFormatLite::WriteUInt32(5, this->kernel_w(), output);
+  }
+
+  // optional uint32 stride_h = 6;
+  if (has_stride_h()) {
+    ::google::protobuf::internal::WireFormatLite::WriteUInt32(6, this->stride_h(), output);
+  }
+
+  // optional uint32 stride_w = 7;
+  if (has_stride_w()) {
+    ::google::protobuf::internal::WireFormatLite::WriteUInt32(7, this->stride_w(), output);
+  }
+
+  if (!unknown_fields().empty()) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        unknown_fields(), output);
+  }
+  // @@protoc_insertion_point(serialize_end:AddOpParameter11)
+}
+
+::google::protobuf::uint8* AddOpParameter11::SerializeWithCachedSizesToArray(
+    ::google::protobuf::uint8* target) const {
+  // @@protoc_insertion_point(serialize_to_array_start:AddOpParameter11)
+  // optional bool bias_term = 1 [default = true];
+  if (has_bias_term()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(1, this->bias_term(), target);
+  }
+
+  // optional uint32 pad_h = 2 [default = 0];
+  if (has_pad_h()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteUInt32ToArray(2, this->pad_h(), target);
+  }
+
+  // optional uint32 pad_w = 3 [default = 0];
+  if (has_pad_w()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteUInt32ToArray(3, this->pad_w(), target);
+  }
+
+  // optional uint32 kernel_h = 4;
+  if (has_kernel_h()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteUInt32ToArray(4, this->kernel_h(), target);
+  }
+
+  // optional uint32 kernel_w = 5;
+  if (has_kernel_w()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteUInt32ToArray(5, this->kernel_w(), target);
+  }
+
+  // optional uint32 stride_h = 6;
+  if (has_stride_h()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteUInt32ToArray(6, this->stride_h(), target);
+  }
+
+  // optional uint32 stride_w = 7;
+  if (has_stride_w()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteUInt32ToArray(7, this->stride_w(), target);
+  }
+
+  if (!unknown_fields().empty()) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        unknown_fields(), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:AddOpParameter11)
+  return target;
+}
+
+int AddOpParameter11::ByteSize() const {
+  int total_size = 0;
+
+  if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
+    // optional bool bias_term = 1 [default = true];
+    if (has_bias_term()) {
+      total_size += 1 + 1;
+    }
+
+    // optional uint32 pad_h = 2 [default = 0];
+    if (has_pad_h()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::UInt32Size(
+          this->pad_h());
+    }
+
+    // optional uint32 pad_w = 3 [default = 0];
+    if (has_pad_w()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::UInt32Size(
+          this->pad_w());
+    }
+
+    // optional uint32 kernel_h = 4;
+    if (has_kernel_h()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::UInt32Size(
+          this->kernel_h());
+    }
+
+    // optional uint32 kernel_w = 5;
+    if (has_kernel_w()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::UInt32Size(
+          this->kernel_w());
+    }
+
+    // optional uint32 stride_h = 6;
+    if (has_stride_h()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::UInt32Size(
+          this->stride_h());
+    }
+
+    // optional uint32 stride_w = 7;
+    if (has_stride_w()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::UInt32Size(
+          this->stride_w());
+    }
+
+  }
+  if (!unknown_fields().empty()) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        unknown_fields());
+  }
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = total_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void AddOpParameter11::MergeFrom(const ::google::protobuf::Message& from) {
+  GOOGLE_CHECK_NE(&from, this);
+  const AddOpParameter11* source =
+    ::google::protobuf::internal::dynamic_cast_if_available<const AddOpParameter11*>(
+      &from);
+  if (source == NULL) {
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+    MergeFrom(*source);
+  }
+}
+
+void AddOpParameter11::MergeFrom(const AddOpParameter11& from) {
+  GOOGLE_CHECK_NE(&from, this);
+  if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
+    if (from.has_bias_term()) {
+      set_bias_term(from.bias_term());
+    }
+    if (from.has_pad_h()) {
+      set_pad_h(from.pad_h());
+    }
+    if (from.has_pad_w()) {
+      set_pad_w(from.pad_w());
+    }
+    if (from.has_kernel_h()) {
+      set_kernel_h(from.kernel_h());
+    }
+    if (from.has_kernel_w()) {
+      set_kernel_w(from.kernel_w());
+    }
+    if (from.has_stride_h()) {
+      set_stride_h(from.stride_h());
+    }
+    if (from.has_stride_w()) {
+      set_stride_w(from.stride_w());
+    }
+  }
+  mutable_unknown_fields()->MergeFrom(from.unknown_fields());
+}
+
+void AddOpParameter11::CopyFrom(const ::google::protobuf::Message& from) {
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void AddOpParameter11::CopyFrom(const AddOpParameter11& from) {
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool AddOpParameter11::IsInitialized() const {
+
+  return true;
+}
+
+void AddOpParameter11::Swap(AddOpParameter11* other) {
+  if (other != this) {
+    std::swap(bias_term_, other->bias_term_);
+    std::swap(pad_h_, other->pad_h_);
+    std::swap(pad_w_, other->pad_w_);
+    std::swap(kernel_h_, other->kernel_h_);
+    std::swap(kernel_w_, other->kernel_w_);
+    std::swap(stride_h_, other->stride_h_);
+    std::swap(stride_w_, other->stride_w_);
+    std::swap(_has_bits_[0], other->_has_bits_[0]);
+    _unknown_fields_.Swap(&other->_unknown_fields_);
+    std::swap(_cached_size_, other->_cached_size_);
+  }
+}
+
+::google::protobuf::Metadata AddOpParameter11::GetMetadata() const {
+  protobuf_AssignDescriptorsOnce();
+  ::google::protobuf::Metadata metadata;
+  metadata.descriptor = AddOpParameter11_descriptor_;
+  metadata.reflection = AddOpParameter11_reflection_;
+  return metadata;
+}
+
+
+// @@protoc_insertion_point(namespace_scope)
+
+// @@protoc_insertion_point(global_scope)
diff --git a/src/sita/proto/sita.pb.h b/src/sita/proto/sita.pb.h
new file mode 100644
index 00000000..03e6557d
--- /dev/null
+++ b/src/sita/proto/sita.pb.h
@@ -0,0 +1,1066 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: sita.proto
+
+#ifndef PROTOBUF_sita_2eproto__INCLUDED
+#define PROTOBUF_sita_2eproto__INCLUDED
+
+#include <string>
+
+#include <google/protobuf/stubs/common.h>
+
+#if GOOGLE_PROTOBUF_VERSION < 2006000
+#error This file was generated by a newer version of protoc which is
+#error incompatible with your Protocol Buffer headers.  Please update
+#error your headers.
+#endif
+#if 2006001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#error This file was generated by an older version of protoc which is
+#error incompatible with your Protocol Buffer headers.  Please
+#error regenerate this file with a newer version of protoc.
+#endif
+
+#include <google/protobuf/generated_message_util.h>
+#include <google/protobuf/message.h>
+#include <google/protobuf/repeated_field.h>
+#include <google/protobuf/extension_set.h>
+#include <google/protobuf/unknown_field_set.h>
+// @@protoc_insertion_point(includes)
+
+// Internal implementation detail -- do not call these.
+void  protobuf_AddDesc_sita_2eproto();
+void protobuf_AssignDesc_sita_2eproto();
+void protobuf_ShutdownFile_sita_2eproto();
+
+class GraphParameter;
+class OperatorParameter;
+class AddOpParameter11;
+
+// ===================================================================
+
+class GraphParameter : public ::google::protobuf::Message {
+ public:
+  GraphParameter();
+  virtual ~GraphParameter();
+
+  GraphParameter(const GraphParameter& from);
+
+  inline GraphParameter& operator=(const GraphParameter& from) {
+    CopyFrom(from);
+    return *this;
+  }
+
+  inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
+    return _unknown_fields_;
+  }
+
+  inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
+    return &_unknown_fields_;
+  }
+
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const GraphParameter& default_instance();
+
+  void Swap(GraphParameter* other);
+
+  // implements Message ----------------------------------------------
+
+  GraphParameter* New() const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
+  void CopyFrom(const GraphParameter& from);
+  void MergeFrom(const GraphParameter& from);
+  void Clear();
+  bool IsInitialized() const;
+
+  int ByteSize() const;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input);
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const;
+  public:
+  ::google::protobuf::Metadata GetMetadata() const;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // optional string name = 1;
+  inline bool has_name() const;
+  inline void clear_name();
+  static const int kNameFieldNumber = 1;
+  inline const ::std::string& name() const;
+  inline void set_name(const ::std::string& value);
+  inline void set_name(const char* value);
+  inline void set_name(const char* value, size_t size);
+  inline ::std::string* mutable_name();
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
+  // repeated .OperatorParameter operatordef = 2;
+  inline int operatordef_size() const;
+  inline void clear_operatordef();
+  static const int kOperatordefFieldNumber = 2;
+  inline const ::OperatorParameter& operatordef(int index) const;
+  inline ::OperatorParameter* mutable_operatordef(int index);
+  inline ::OperatorParameter* add_operatordef();
+  inline const ::google::protobuf::RepeatedPtrField< ::OperatorParameter >&
+      operatordef() const;
+  inline ::google::protobuf::RepeatedPtrField< ::OperatorParameter >*
+      mutable_operatordef();
+
+  // @@protoc_insertion_point(class_scope:GraphParameter)
+ private:
+  inline void set_has_name();
+  inline void clear_has_name();
+
+  ::google::protobuf::UnknownFieldSet _unknown_fields_;
+
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
+  ::std::string* name_;
+  ::google::protobuf::RepeatedPtrField< ::OperatorParameter > operatordef_;
+  friend void  protobuf_AddDesc_sita_2eproto();
+  friend void protobuf_AssignDesc_sita_2eproto();
+  friend void protobuf_ShutdownFile_sita_2eproto();
+
+  void InitAsDefaultInstance();
+  static GraphParameter* default_instance_;
+};
+// -------------------------------------------------------------------
+
+class OperatorParameter : public ::google::protobuf::Message {
+ public:
+  OperatorParameter();
+  virtual ~OperatorParameter();
+
+  OperatorParameter(const OperatorParameter& from);
+
+  inline OperatorParameter& operator=(const OperatorParameter& from) {
+    CopyFrom(from);
+    return *this;
+  }
+
+  inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
+    return _unknown_fields_;
+  }
+
+  inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
+    return &_unknown_fields_;
+  }
+
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const OperatorParameter& default_instance();
+
+  void Swap(OperatorParameter* other);
+
+  // implements Message ----------------------------------------------
+
+  OperatorParameter* New() const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
+  void CopyFrom(const OperatorParameter& from);
+  void MergeFrom(const OperatorParameter& from);
+  void Clear();
+  bool IsInitialized() const;
+
+  int ByteSize() const;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input);
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const;
+  public:
+  ::google::protobuf::Metadata GetMetadata() const;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // optional string name = 1;
+  inline bool has_name() const;
+  inline void clear_name();
+  static const int kNameFieldNumber = 1;
+  inline const ::std::string& name() const;
+  inline void set_name(const ::std::string& value);
+  inline void set_name(const char* value);
+  inline void set_name(const char* value, size_t size);
+  inline ::std::string* mutable_name();
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
+  // optional string type = 2;
+  inline bool has_type() const;
+  inline void clear_type();
+  static const int kTypeFieldNumber = 2;
+  inline const ::std::string& type() const;
+  inline void set_type(const ::std::string& value);
+  inline void set_type(const char* value);
+  inline void set_type(const char* value, size_t size);
+  inline ::std::string* mutable_type();
+  inline ::std::string* release_type();
+  inline void set_allocated_type(::std::string* type);
+
+  // repeated string input = 3;
+  inline int input_size() const;
+  inline void clear_input();
+  static const int kInputFieldNumber = 3;
+  inline const ::std::string& input(int index) const;
+  inline ::std::string* mutable_input(int index);
+  inline void set_input(int index, const ::std::string& value);
+  inline void set_input(int index, const char* value);
+  inline void set_input(int index, const char* value, size_t size);
+  inline ::std::string* add_input();
+  inline void add_input(const ::std::string& value);
+  inline void add_input(const char* value);
+  inline void add_input(const char* value, size_t size);
+  inline const ::google::protobuf::RepeatedPtrField< ::std::string>& input() const;
+  inline ::google::protobuf::RepeatedPtrField< ::std::string>* mutable_input();
+
+  // repeated string output = 4;
+  inline int output_size() const;
+  inline void clear_output();
+  static const int kOutputFieldNumber = 4;
+  inline const ::std::string& output(int index) const;
+  inline ::std::string* mutable_output(int index);
+  inline void set_output(int index, const ::std::string& value);
+  inline void set_output(int index, const char* value);
+  inline void set_output(int index, const char* value, size_t size);
+  inline ::std::string* add_output();
+  inline void add_output(const ::std::string& value);
+  inline void add_output(const char* value);
+  inline void add_output(const char* value, size_t size);
+  inline const ::google::protobuf::RepeatedPtrField< ::std::string>& output() const;
+  inline ::google::protobuf::RepeatedPtrField< ::std::string>* mutable_output();
+
+  // repeated float loss_weight = 5;
+  inline int loss_weight_size() const;
+  inline void clear_loss_weight();
+  static const int kLossWeightFieldNumber = 5;
+  inline float loss_weight(int index) const;
+  inline void set_loss_weight(int index, float value);
+  inline void add_loss_weight(float value);
+  inline const ::google::protobuf::RepeatedField< float >&
+      loss_weight() const;
+  inline ::google::protobuf::RepeatedField< float >*
+      mutable_loss_weight();
+
+  // optional .AddOpParameter11 add_op_param = 100;
+  inline bool has_add_op_param() const;
+  inline void clear_add_op_param();
+  static const int kAddOpParamFieldNumber = 100;
+  inline const ::AddOpParameter11& add_op_param() const;
+  inline ::AddOpParameter11* mutable_add_op_param();
+  inline ::AddOpParameter11* release_add_op_param();
+  inline void set_allocated_add_op_param(::AddOpParameter11* add_op_param);
+
+  // @@protoc_insertion_point(class_scope:OperatorParameter)
+ private:
+  inline void set_has_name();
+  inline void clear_has_name();
+  inline void set_has_type();
+  inline void clear_has_type();
+  inline void set_has_add_op_param();
+  inline void clear_has_add_op_param();
+
+  ::google::protobuf::UnknownFieldSet _unknown_fields_;
+
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
+  ::std::string* name_;
+  ::std::string* type_;
+  ::google::protobuf::RepeatedPtrField< ::std::string> input_;
+  ::google::protobuf::RepeatedPtrField< ::std::string> output_;
+  ::google::protobuf::RepeatedField< float > loss_weight_;
+  ::AddOpParameter11* add_op_param_;
+  friend void  protobuf_AddDesc_sita_2eproto();
+  friend void protobuf_AssignDesc_sita_2eproto();
+  friend void protobuf_ShutdownFile_sita_2eproto();
+
+  void InitAsDefaultInstance();
+  static OperatorParameter* default_instance_;
+};
+// -------------------------------------------------------------------
+
+class AddOpParameter11 : public ::google::protobuf::Message {
+ public:
+  AddOpParameter11();
+  virtual ~AddOpParameter11();
+
+  AddOpParameter11(const AddOpParameter11& from);
+
+  inline AddOpParameter11& operator=(const AddOpParameter11& from) {
+    CopyFrom(from);
+    return *this;
+  }
+
+  inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
+    return _unknown_fields_;
+  }
+
+  inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
+    return &_unknown_fields_;
+  }
+
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const AddOpParameter11& default_instance();
+
+  void Swap(AddOpParameter11* other);
+
+  // implements Message ----------------------------------------------
+
+  AddOpParameter11* New() const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
+  void CopyFrom(const AddOpParameter11& from);
+  void MergeFrom(const AddOpParameter11& from);
+  void Clear();
+  bool IsInitialized() const;
+
+  int ByteSize() const;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input);
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const;
+  public:
+  ::google::protobuf::Metadata GetMetadata() const;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // optional bool bias_term = 1 [default = true];
+  inline bool has_bias_term() const;
+  inline void clear_bias_term();
+  static const int kBiasTermFieldNumber = 1;
+  inline bool bias_term() const;
+  inline void set_bias_term(bool value);
+
+  // optional uint32 pad_h = 2 [default = 0];
+  inline bool has_pad_h() const;
+  inline void clear_pad_h();
+  static const int kPadHFieldNumber = 2;
+  inline ::google::protobuf::uint32 pad_h() const;
+  inline void set_pad_h(::google::protobuf::uint32 value);
+
+  // optional uint32 pad_w = 3 [default = 0];
+  inline bool has_pad_w() const;
+  inline void clear_pad_w();
+  static const int kPadWFieldNumber = 3;
+  inline ::google::protobuf::uint32 pad_w() const;
+  inline void set_pad_w(::google::protobuf::uint32 value);
+
+  // optional uint32 kernel_h = 4;
+  inline bool has_kernel_h() const;
+  inline void clear_kernel_h();
+  static const int kKernelHFieldNumber = 4;
+  inline ::google::protobuf::uint32 kernel_h() const;
+  inline void set_kernel_h(::google::protobuf::uint32 value);
+
+  // optional uint32 kernel_w = 5;
+  inline bool has_kernel_w() const;
+  inline void clear_kernel_w();
+  static const int kKernelWFieldNumber = 5;
+  inline ::google::protobuf::uint32 kernel_w() const;
+  inline void set_kernel_w(::google::protobuf::uint32 value);
+
+  // optional uint32 stride_h = 6;
+  inline bool has_stride_h() const;
+  inline void clear_stride_h();
+  static const int kStrideHFieldNumber = 6;
+  inline ::google::protobuf::uint32 stride_h() const;
+  inline void set_stride_h(::google::protobuf::uint32 value);
+
+  // optional uint32 stride_w = 7;
+  inline bool has_stride_w() const;
+  inline void clear_stride_w();
+  static const int kStrideWFieldNumber = 7;
+  inline ::google::protobuf::uint32 stride_w() const;
+  inline void set_stride_w(::google::protobuf::uint32 value);
+
+  // @@protoc_insertion_point(class_scope:AddOpParameter11)
+ private:
+  inline void set_has_bias_term();
+  inline void clear_has_bias_term();
+  inline void set_has_pad_h();
+  inline void clear_has_pad_h();
+  inline void set_has_pad_w();
+  inline void clear_has_pad_w();
+  inline void set_has_kernel_h();
+  inline void clear_has_kernel_h();
+  inline void set_has_kernel_w();
+  inline void clear_has_kernel_w();
+  inline void set_has_stride_h();
+  inline void clear_has_stride_h();
+  inline void set_has_stride_w();
+  inline void clear_has_stride_w();
+
+  ::google::protobuf::UnknownFieldSet _unknown_fields_;
+
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
+  bool bias_term_;
+  ::google::protobuf::uint32 pad_h_;
+  ::google::protobuf::uint32 pad_w_;
+  ::google::protobuf::uint32 kernel_h_;
+  ::google::protobuf::uint32 kernel_w_;
+  ::google::protobuf::uint32 stride_h_;
+  ::google::protobuf::uint32 stride_w_;
+  friend void  protobuf_AddDesc_sita_2eproto();
+  friend void protobuf_AssignDesc_sita_2eproto();
+  friend void protobuf_ShutdownFile_sita_2eproto();
+
+  void InitAsDefaultInstance();
+  static AddOpParameter11* default_instance_;
+};
+// ===================================================================
+
+
+// ===================================================================
+
+// GraphParameter
+
+// optional string name = 1;
+inline bool GraphParameter::has_name() const {
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void GraphParameter::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void GraphParameter::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
+}
+inline void GraphParameter::clear_name() {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_->clear();
+  }
+  clear_has_name();
+}
+inline const ::std::string& GraphParameter::name() const {
+  // @@protoc_insertion_point(field_get:GraphParameter.name)
+  return *name_;
+}
+inline void GraphParameter::set_name(const ::std::string& value) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  name_->assign(value);
+  // @@protoc_insertion_point(field_set:GraphParameter.name)
+}
+inline void GraphParameter::set_name(const char* value) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:GraphParameter.name)
+}
+inline void GraphParameter::set_name(const char* value, size_t size) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:GraphParameter.name)
+}
+inline ::std::string* GraphParameter::mutable_name() {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  // @@protoc_insertion_point(field_mutable:GraphParameter.name)
+  return name_;
+}
+inline ::std::string* GraphParameter::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+    return temp;
+  }
+}
+inline void GraphParameter::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  }
+  // @@protoc_insertion_point(field_set_allocated:GraphParameter.name)
+}
+
+// repeated .OperatorParameter operatordef = 2;
+inline int GraphParameter::operatordef_size() const {
+  return operatordef_.size();
+}
+inline void GraphParameter::clear_operatordef() {
+  operatordef_.Clear();
+}
+inline const ::OperatorParameter& GraphParameter::operatordef(int index) const {
+  // @@protoc_insertion_point(field_get:GraphParameter.operatordef)
+  return operatordef_.Get(index);
+}
+inline ::OperatorParameter* GraphParameter::mutable_operatordef(int index) {
+  // @@protoc_insertion_point(field_mutable:GraphParameter.operatordef)
+  return operatordef_.Mutable(index);
+}
+inline ::OperatorParameter* GraphParameter::add_operatordef() {
+  // @@protoc_insertion_point(field_add:GraphParameter.operatordef)
+  return operatordef_.Add();
+}
+inline const ::google::protobuf::RepeatedPtrField< ::OperatorParameter >&
+GraphParameter::operatordef() const {
+  // @@protoc_insertion_point(field_list:GraphParameter.operatordef)
+  return operatordef_;
+}
+inline ::google::protobuf::RepeatedPtrField< ::OperatorParameter >*
+GraphParameter::mutable_operatordef() {
+  // @@protoc_insertion_point(field_mutable_list:GraphParameter.operatordef)
+  return &operatordef_;
+}
+
+// -------------------------------------------------------------------
+
+// OperatorParameter
+
+// optional string name = 1;
+inline bool OperatorParameter::has_name() const {
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void OperatorParameter::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void OperatorParameter::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
+}
+inline void OperatorParameter::clear_name() {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_->clear();
+  }
+  clear_has_name();
+}
+inline const ::std::string& OperatorParameter::name() const {
+  // @@protoc_insertion_point(field_get:OperatorParameter.name)
+  return *name_;
+}
+inline void OperatorParameter::set_name(const ::std::string& value) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  name_->assign(value);
+  // @@protoc_insertion_point(field_set:OperatorParameter.name)
+}
+inline void OperatorParameter::set_name(const char* value) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:OperatorParameter.name)
+}
+inline void OperatorParameter::set_name(const char* value, size_t size) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:OperatorParameter.name)
+}
+inline ::std::string* OperatorParameter::mutable_name() {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  // @@protoc_insertion_point(field_mutable:OperatorParameter.name)
+  return name_;
+}
+inline ::std::string* OperatorParameter::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+    return temp;
+  }
+}
+inline void OperatorParameter::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  }
+  // @@protoc_insertion_point(field_set_allocated:OperatorParameter.name)
+}
+
+// optional string type = 2;
+inline bool OperatorParameter::has_type() const {
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void OperatorParameter::set_has_type() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void OperatorParameter::clear_has_type() {
+  _has_bits_[0] &= ~0x00000002u;
+}
+inline void OperatorParameter::clear_type() {
+  if (type_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    type_->clear();
+  }
+  clear_has_type();
+}
+inline const ::std::string& OperatorParameter::type() const {
+  // @@protoc_insertion_point(field_get:OperatorParameter.type)
+  return *type_;
+}
+inline void OperatorParameter::set_type(const ::std::string& value) {
+  set_has_type();
+  if (type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    type_ = new ::std::string;
+  }
+  type_->assign(value);
+  // @@protoc_insertion_point(field_set:OperatorParameter.type)
+}
+inline void OperatorParameter::set_type(const char* value) {
+  set_has_type();
+  if (type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    type_ = new ::std::string;
+  }
+  type_->assign(value);
+  // @@protoc_insertion_point(field_set_char:OperatorParameter.type)
+}
+inline void OperatorParameter::set_type(const char* value, size_t size) {
+  set_has_type();
+  if (type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    type_ = new ::std::string;
+  }
+  type_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:OperatorParameter.type)
+}
+inline ::std::string* OperatorParameter::mutable_type() {
+  set_has_type();
+  if (type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    type_ = new ::std::string;
+  }
+  // @@protoc_insertion_point(field_mutable:OperatorParameter.type)
+  return type_;
+}
+inline ::std::string* OperatorParameter::release_type() {
+  clear_has_type();
+  if (type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    return NULL;
+  } else {
+    ::std::string* temp = type_;
+    type_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+    return temp;
+  }
+}
+inline void OperatorParameter::set_allocated_type(::std::string* type) {
+  if (type_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    delete type_;
+  }
+  if (type) {
+    set_has_type();
+    type_ = type;
+  } else {
+    clear_has_type();
+    type_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  }
+  // @@protoc_insertion_point(field_set_allocated:OperatorParameter.type)
+}
+
+// repeated string input = 3;
+inline int OperatorParameter::input_size() const {
+  return input_.size();
+}
+inline void OperatorParameter::clear_input() {
+  input_.Clear();
+}
+inline const ::std::string& OperatorParameter::input(int index) const {
+  // @@protoc_insertion_point(field_get:OperatorParameter.input)
+  return input_.Get(index);
+}
+inline ::std::string* OperatorParameter::mutable_input(int index) {
+  // @@protoc_insertion_point(field_mutable:OperatorParameter.input)
+  return input_.Mutable(index);
+}
+inline void OperatorParameter::set_input(int index, const ::std::string& value) {
+  // @@protoc_insertion_point(field_set:OperatorParameter.input)
+  input_.Mutable(index)->assign(value);
+}
+inline void OperatorParameter::set_input(int index, const char* value) {
+  input_.Mutable(index)->assign(value);
+  // @@protoc_insertion_point(field_set_char:OperatorParameter.input)
+}
+inline void OperatorParameter::set_input(int index, const char* value, size_t size) {
+  input_.Mutable(index)->assign(
+    reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:OperatorParameter.input)
+}
+inline ::std::string* OperatorParameter::add_input() {
+  return input_.Add();
+}
+inline void OperatorParameter::add_input(const ::std::string& value) {
+  input_.Add()->assign(value);
+  // @@protoc_insertion_point(field_add:OperatorParameter.input)
+}
+inline void OperatorParameter::add_input(const char* value) {
+  input_.Add()->assign(value);
+  // @@protoc_insertion_point(field_add_char:OperatorParameter.input)
+}
+inline void OperatorParameter::add_input(const char* value, size_t size) {
+  input_.Add()->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_add_pointer:OperatorParameter.input)
+}
+inline const ::google::protobuf::RepeatedPtrField< ::std::string>&
+OperatorParameter::input() const {
+  // @@protoc_insertion_point(field_list:OperatorParameter.input)
+  return input_;
+}
+inline ::google::protobuf::RepeatedPtrField< ::std::string>*
+OperatorParameter::mutable_input() {
+  // @@protoc_insertion_point(field_mutable_list:OperatorParameter.input)
+  return &input_;
+}
+
+// repeated string output = 4;
+inline int OperatorParameter::output_size() const {
+  return output_.size();
+}
+inline void OperatorParameter::clear_output() {
+  output_.Clear();
+}
+inline const ::std::string& OperatorParameter::output(int index) const {
+  // @@protoc_insertion_point(field_get:OperatorParameter.output)
+  return output_.Get(index);
+}
+inline ::std::string* OperatorParameter::mutable_output(int index) {
+  // @@protoc_insertion_point(field_mutable:OperatorParameter.output)
+  return output_.Mutable(index);
+}
+inline void OperatorParameter::set_output(int index, const ::std::string& value) {
+  // @@protoc_insertion_point(field_set:OperatorParameter.output)
+  output_.Mutable(index)->assign(value);
+}
+inline void OperatorParameter::set_output(int index, const char* value) {
+  output_.Mutable(index)->assign(value);
+  // @@protoc_insertion_point(field_set_char:OperatorParameter.output)
+}
+inline void OperatorParameter::set_output(int index, const char* value, size_t size) {
+  output_.Mutable(index)->assign(
+    reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:OperatorParameter.output)
+}
+inline ::std::string* OperatorParameter::add_output() {
+  return output_.Add();
+}
+inline void OperatorParameter::add_output(const ::std::string& value) {
+  output_.Add()->assign(value);
+  // @@protoc_insertion_point(field_add:OperatorParameter.output)
+}
+inline void OperatorParameter::add_output(const char* value) {
+  output_.Add()->assign(value);
+  // @@protoc_insertion_point(field_add_char:OperatorParameter.output)
+}
+inline void OperatorParameter::add_output(const char* value, size_t size) {
+  output_.Add()->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_add_pointer:OperatorParameter.output)
+}
+inline const ::google::protobuf::RepeatedPtrField< ::std::string>&
+OperatorParameter::output() const {
+  // @@protoc_insertion_point(field_list:OperatorParameter.output)
+  return output_;
+}
+inline ::google::protobuf::RepeatedPtrField< ::std::string>*
+OperatorParameter::mutable_output() {
+  // @@protoc_insertion_point(field_mutable_list:OperatorParameter.output)
+  return &output_;
+}
+
+// repeated float loss_weight = 5;
+inline int OperatorParameter::loss_weight_size() const {
+  return loss_weight_.size();
+}
+inline void OperatorParameter::clear_loss_weight() {
+  loss_weight_.Clear();
+}
+inline float OperatorParameter::loss_weight(int index) const {
+  // @@protoc_insertion_point(field_get:OperatorParameter.loss_weight)
+  return loss_weight_.Get(index);
+}
+inline void OperatorParameter::set_loss_weight(int index, float value) {
+  loss_weight_.Set(index, value);
+  // @@protoc_insertion_point(field_set:OperatorParameter.loss_weight)
+}
+inline void OperatorParameter::add_loss_weight(float value) {
+  loss_weight_.Add(value);
+  // @@protoc_insertion_point(field_add:OperatorParameter.loss_weight)
+}
+inline const ::google::protobuf::RepeatedField< float >&
+OperatorParameter::loss_weight() const {
+  // @@protoc_insertion_point(field_list:OperatorParameter.loss_weight)
+  return loss_weight_;
+}
+inline ::google::protobuf::RepeatedField< float >*
+OperatorParameter::mutable_loss_weight() {
+  // @@protoc_insertion_point(field_mutable_list:OperatorParameter.loss_weight)
+  return &loss_weight_;
+}
+
+// optional .AddOpParameter11 add_op_param = 100;
+inline bool OperatorParameter::has_add_op_param() const {
+  return (_has_bits_[0] & 0x00000020u) != 0;
+}
+inline void OperatorParameter::set_has_add_op_param() {
+  _has_bits_[0] |= 0x00000020u;
+}
+inline void OperatorParameter::clear_has_add_op_param() {
+  _has_bits_[0] &= ~0x00000020u;
+}
+inline void OperatorParameter::clear_add_op_param() {
+  if (add_op_param_ != NULL) add_op_param_->::AddOpParameter11::Clear();
+  clear_has_add_op_param();
+}
+inline const ::AddOpParameter11& OperatorParameter::add_op_param() const {
+  // @@protoc_insertion_point(field_get:OperatorParameter.add_op_param)
+  return add_op_param_ != NULL ? *add_op_param_ : *default_instance_->add_op_param_;
+}
+inline ::AddOpParameter11* OperatorParameter::mutable_add_op_param() {
+  set_has_add_op_param();
+  if (add_op_param_ == NULL) add_op_param_ = new ::AddOpParameter11;
+  // @@protoc_insertion_point(field_mutable:OperatorParameter.add_op_param)
+  return add_op_param_;
+}
+inline ::AddOpParameter11* OperatorParameter::release_add_op_param() {
+  clear_has_add_op_param();
+  ::AddOpParameter11* temp = add_op_param_;
+  add_op_param_ = NULL;
+  return temp;
+}
+inline void OperatorParameter::set_allocated_add_op_param(::AddOpParameter11* add_op_param) {
+  delete add_op_param_;
+  add_op_param_ = add_op_param;
+  if (add_op_param) {
+    set_has_add_op_param();
+  } else {
+    clear_has_add_op_param();
+  }
+  // @@protoc_insertion_point(field_set_allocated:OperatorParameter.add_op_param)
+}
+
+// -------------------------------------------------------------------
+
+// AddOpParameter11
+
+// optional bool bias_term = 1 [default = true];
+inline bool AddOpParameter11::has_bias_term() const {
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void AddOpParameter11::set_has_bias_term() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void AddOpParameter11::clear_has_bias_term() {
+  _has_bits_[0] &= ~0x00000001u;
+}
+inline void AddOpParameter11::clear_bias_term() {
+  bias_term_ = true;
+  clear_has_bias_term();
+}
+inline bool AddOpParameter11::bias_term() const {
+  // @@protoc_insertion_point(field_get:AddOpParameter11.bias_term)
+  return bias_term_;
+}
+inline void AddOpParameter11::set_bias_term(bool value) {
+  set_has_bias_term();
+  bias_term_ = value;
+  // @@protoc_insertion_point(field_set:AddOpParameter11.bias_term)
+}
+
+// optional uint32 pad_h = 2 [default = 0];
+inline bool AddOpParameter11::has_pad_h() const {
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void AddOpParameter11::set_has_pad_h() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void AddOpParameter11::clear_has_pad_h() {
+  _has_bits_[0] &= ~0x00000002u;
+}
+inline void AddOpParameter11::clear_pad_h() {
+  pad_h_ = 0u;
+  clear_has_pad_h();
+}
+inline ::google::protobuf::uint32 AddOpParameter11::pad_h() const {
+  // @@protoc_insertion_point(field_get:AddOpParameter11.pad_h)
+  return pad_h_;
+}
+inline void AddOpParameter11::set_pad_h(::google::protobuf::uint32 value) {
+  set_has_pad_h();
+  pad_h_ = value;
+  // @@protoc_insertion_point(field_set:AddOpParameter11.pad_h)
+}
+
+// optional uint32 pad_w = 3 [default = 0];
+inline bool AddOpParameter11::has_pad_w() const {
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void AddOpParameter11::set_has_pad_w() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void AddOpParameter11::clear_has_pad_w() {
+  _has_bits_[0] &= ~0x00000004u;
+}
+inline void AddOpParameter11::clear_pad_w() {
+  pad_w_ = 0u;
+  clear_has_pad_w();
+}
+inline ::google::protobuf::uint32 AddOpParameter11::pad_w() const {
+  // @@protoc_insertion_point(field_get:AddOpParameter11.pad_w)
+  return pad_w_;
+}
+inline void AddOpParameter11::set_pad_w(::google::protobuf::uint32 value) {
+  set_has_pad_w();
+  pad_w_ = value;
+  // @@protoc_insertion_point(field_set:AddOpParameter11.pad_w)
+}
+
+// optional uint32 kernel_h = 4;
+inline bool AddOpParameter11::has_kernel_h() const {
+  return (_has_bits_[0] & 0x00000008u) != 0;
+}
+inline void AddOpParameter11::set_has_kernel_h() {
+  _has_bits_[0] |= 0x00000008u;
+}
+inline void AddOpParameter11::clear_has_kernel_h() {
+  _has_bits_[0] &= ~0x00000008u;
+}
+inline void AddOpParameter11::clear_kernel_h() {
+  kernel_h_ = 0u;
+  clear_has_kernel_h();
+}
+inline ::google::protobuf::uint32 AddOpParameter11::kernel_h() const {
+  // @@protoc_insertion_point(field_get:AddOpParameter11.kernel_h)
+  return kernel_h_;
+}
+inline void AddOpParameter11::set_kernel_h(::google::protobuf::uint32 value) {
+  set_has_kernel_h();
+  kernel_h_ = value;
+  // @@protoc_insertion_point(field_set:AddOpParameter11.kernel_h)
+}
+
+// optional uint32 kernel_w = 5;
+inline bool AddOpParameter11::has_kernel_w() const {
+  return (_has_bits_[0] & 0x00000010u) != 0;
+}
+inline void AddOpParameter11::set_has_kernel_w() {
+  _has_bits_[0] |= 0x00000010u;
+}
+inline void AddOpParameter11::clear_has_kernel_w() {
+  _has_bits_[0] &= ~0x00000010u;
+}
+inline void AddOpParameter11::clear_kernel_w() {
+  kernel_w_ = 0u;
+  clear_has_kernel_w();
+}
+inline ::google::protobuf::uint32 AddOpParameter11::kernel_w() const {
+  // @@protoc_insertion_point(field_get:AddOpParameter11.kernel_w)
+  return kernel_w_;
+}
+inline void AddOpParameter11::set_kernel_w(::google::protobuf::uint32 value) {
+  set_has_kernel_w();
+  kernel_w_ = value;
+  // @@protoc_insertion_point(field_set:AddOpParameter11.kernel_w)
+}
+
+// optional uint32 stride_h = 6;
+inline bool AddOpParameter11::has_stride_h() const {
+  return (_has_bits_[0] & 0x00000020u) != 0;
+}
+inline void AddOpParameter11::set_has_stride_h() {
+  _has_bits_[0] |= 0x00000020u;
+}
+inline void AddOpParameter11::clear_has_stride_h() {
+  _has_bits_[0] &= ~0x00000020u;
+}
+inline void AddOpParameter11::clear_stride_h() {
+  stride_h_ = 0u;
+  clear_has_stride_h();
+}
+inline ::google::protobuf::uint32 AddOpParameter11::stride_h() const {
+  // @@protoc_insertion_point(field_get:AddOpParameter11.stride_h)
+  return stride_h_;
+}
+inline void AddOpParameter11::set_stride_h(::google::protobuf::uint32 value) {
+  set_has_stride_h();
+  stride_h_ = value;
+  // @@protoc_insertion_point(field_set:AddOpParameter11.stride_h)
+}
+
+// optional uint32 stride_w = 7;
+inline bool AddOpParameter11::has_stride_w() const {
+  return (_has_bits_[0] & 0x00000040u) != 0;
+}
+inline void AddOpParameter11::set_has_stride_w() {
+  _has_bits_[0] |= 0x00000040u;
+}
+inline void AddOpParameter11::clear_has_stride_w() {
+  _has_bits_[0] &= ~0x00000040u;
+}
+inline void AddOpParameter11::clear_stride_w() {
+  stride_w_ = 0u;
+  clear_has_stride_w();
+}
+inline ::google::protobuf::uint32 AddOpParameter11::stride_w() const {
+  // @@protoc_insertion_point(field_get:AddOpParameter11.stride_w)
+  return stride_w_;
+}
+inline void AddOpParameter11::set_stride_w(::google::protobuf::uint32 value) {
+  set_has_stride_w();
+  stride_w_ = value;
+  // @@protoc_insertion_point(field_set:AddOpParameter11.stride_w)
+}
+
+
+// @@protoc_insertion_point(namespace_scope)
+
+#ifndef SWIG
+namespace google {
+namespace protobuf {
+
+
+}  // namespace google
+}  // namespace protobuf
+#endif  // SWIG
+
+// @@protoc_insertion_point(global_scope)
+
+#endif  // PROTOBUF_sita_2eproto__INCLUDED
diff --git a/src/sita/proto/sita.proto b/src/sita/proto/sita.proto
new file mode 100644
index 00000000..1cf3039e
--- /dev/null
+++ b/src/sita/proto/sita.proto
@@ -0,0 +1,25 @@
+syntax = "proto2";
+
+
+message GraphParameter {
+  optional string name = 1;
+  repeated OperatorParameter operatordef = 2;
+}
+message  OperatorParameter {
+  optional string name = 1; // the operator name
+  optional string type = 2; // the operator type
+  repeated string input = 3; // the name of each bottom blob
+  repeated string output = 4; // the name of each top blob
+  repeated float loss_weight = 5;
+  optional AddOpParameter11 add_op_param = 100;
+}
+
+message AddOpParameter11{
+  optional bool bias_term = 1 [default = true]; // whether to have bias terms
+  optional uint32 pad_h = 2 [default = 0]; // The padding height (2D only)
+  optional uint32 pad_w = 3 [default = 0]; // The padding width (2D only)
+  optional uint32 kernel_h = 4; // The kernel height (2D only)
+  optional uint32 kernel_w = 5; // The kernel width (2D only)
+  optional uint32 stride_h = 6; // The stride height (2D only)
+  optional uint32 stride_w = 7; // The stride width (2D only)
+}
\ No newline at end of file
diff --git a/src/sita/stuff/graph.cpp b/src/sita/stuff/graph.cpp
index 0176e3bd..3b4ee703 100644
--- a/src/sita/stuff/graph.cpp
+++ b/src/sita/stuff/graph.cpp
@@ -4,47 +4,25 @@
 #include "sita/stuff/graph.h"
 namespace sita{
 
-Graph::Graph(std::string name){
-    _graph_sym.graph_name = name;
+Graph::Graph(std::string model_file){
+    CHECK(ReadProtoFromTextFile(model_file.c_str(), &_graph))
+            << "Failed to parse SolverParameter file: " << model_file;
 }
 
-void Graph::append(std::string op_type, std::string name, std::vector<std::string> inputs, std::vector<std::string> outputs, SitaParameter param){
-
-    for(int i = 0; i < _graph_sym.ops.size(); i++){
-        for(int j = 0; j < inputs.size(); j ++){
-            for(int i_out = 0; i_out < _graph_sym.ops[i].outputs.size(); i_out ++){
-                if(outputs[j] == _graph_sym.ops[i].outputs[i_out])
-                    LOG(FATAL) << "output: " <<  _graph_sym.ops[i].outputs[i_out]
-                               << " in: " << name << " is confilt with: " << _graph_sym.ops[i].name;
-            }
-        }
-    }
-    OperatorDef op;
-    op.name  = name;
-    op.type = op_type;
-    op.param = param;
-    for(int i = 0; i < inputs.size(); i ++){
-        op.inputs.push_back(inputs[i]);
-    }
-    for(int i = 0; i < outputs.size(); i ++){
-        op.outputs.push_back(outputs[i]);
-    }
-    _graph_sym.ops.push_back(op);
-}
 
 void Graph::graph_symbol_show(){
-    LOG(INFO) << "graph " << _graph_sym.graph_name << ":";
+    LOG(INFO) << "graph " << _graph.name() << ":";
     LOG(INFO)<<"-------------------------";
-    for(int i = 0; i < _graph_sym.ops.size(); i ++) {
-        LOG(INFO) << "op name: " << _graph_sym.ops[i].name;
-        LOG(INFO) << "type: " << _graph_sym.ops[i].type;
+    for(int i = 0; i < _graph.operatordef_size(); i ++) {
+        LOG(INFO) << "op name: " << _graph.operatordef(i).name();
+        LOG(INFO) << "type: " << _graph.operatordef(i).type();
         LOG(INFO) << "inputs:";
-        for(int in = 0; in < _graph_sym.ops[i].inputs.size(); in++ ) {
-            LOG(INFO) << _graph_sym.ops[i].inputs[in];
+        for(int in = 0; in < _graph.operatordef(i).input_size(); in++ ) {
+            LOG(INFO) << _graph.operatordef(i).input(in);
         }
         LOG(INFO) << "outputs:";
-        for(int ou = 0; ou < _graph_sym.ops[i].outputs.size(); ou++){
-            LOG(INFO) << _graph_sym.ops[i].outputs[ou] << " ";
+        for(int ou = 0; ou < _graph.operatordef(i).output_size(); ou++){
+            LOG(INFO) << _graph.operatordef(i).output(ou) << " ";
         }
         LOG(INFO)<<"-------------------------";
     }
diff --git a/src/sita/stuff/io_protobuff.cpp b/src/sita/stuff/io_protobuff.cpp
new file mode 100644
index 00000000..1ffb4949
--- /dev/null
+++ b/src/sita/stuff/io_protobuff.cpp
@@ -0,0 +1,18 @@
+//
+// Created by cs on 06/08/18.
+//
+
+#include "sita/stuff/io_protobuff.h"
+
+namespace sita{
+
+    bool ReadProtoFromTextFile(const char* filename, Message* proto) {
+        int fd = open(filename, O_RDONLY);
+        CHECK_NE(fd, -1) << "File not found: " << filename;
+        FileInputStream* input = new FileInputStream(fd);
+        bool success = google::protobuf::TextFormat::Parse(input, proto);
+        delete input;
+        close(fd);
+        return success;
+    }
+}
\ No newline at end of file
diff --git a/src/sita/stuff/operator.cpp b/src/sita/stuff/operator.cpp
index 9fa3b994..07ef650b 100644
--- a/src/sita/stuff/operator.cpp
+++ b/src/sita/stuff/operator.cpp
@@ -8,23 +8,22 @@ template<typename Dtype>
 void Operator<Dtype>::setup(){
     //inputs and outputs
     _inputs.clear();
-    for(int i = 0; i < _opdef.inputs.size(); i++){
-        _gws->init_input(_opdef.inputs[i]);
-        _inputs.push_back(_opdef.inputs[i]);
+    for(int i = 0; i < _opdef.input_size(); i++){
+        _gws->init_input(_opdef.input(i));
+        _inputs.push_back(_opdef.input(i));
     }
     _outputs.clear();
-    for(int i = 0; i < _opdef.outputs.size(); i++){
-        _gws->init_output(_opdef.outputs[i]);
-        _outputs.push_back(_opdef.outputs[i]);
+    for(int i = 0; i < _opdef.output_size(); i++){
+        _gws->init_output(_opdef.output(i));
+        _outputs.push_back(_opdef.output(i));
     }
-    _filler = _opdef.param.filler;
     _params.clear();
 
 }
 
 template<typename Dtype>
 void Operator<Dtype>::init_param(std::string param_name, std::vector<int> shape){
-    _gws->init_param(_opdef.name, _opdef.type, param_name, shape, _filler);
+    _gws->init_param(_opdef.name(), _opdef.type(), param_name, shape, _filler);
     _params.push_back(param_name);
 
 }
@@ -38,7 +37,7 @@ Tensor<Dtype> * Operator<Dtype>::fetch_input(std::string name){
     if(has_input) {
         return this->_gws->fetch_input(name);
     }else{
-        LOG(FATAL) << "no " << name <<" in the inputs of " << _opdef.name;
+        LOG(FATAL) << "no " << name <<" in the inputs of " << _opdef.name();
     }
 
 }
@@ -52,7 +51,7 @@ Tensor<Dtype> * Operator<Dtype>::fetch_output(std::string name){
     if(has_output) {
         return this->_gws->fetch_output(name);
     }else{
-        LOG(FATAL) << "no " << name <<" in the outputs of " << _opdef.name;
+        LOG(FATAL) << "no " << name <<" in the outputs of " << _opdef.name();
     }
 }
 
@@ -64,9 +63,9 @@ Tensor<Dtype> * Operator<Dtype>::fetch_param(std::string name){
             has_param = true;
 
     if(has_param) {
-        return this->_gws->fetch_param(_opdef.name, name);;
+        return this->_gws->fetch_param(_opdef.name(), name);;
     }else{
-        LOG(FATAL) << "no " << name <<" in the params of " << _opdef.name;
+        LOG(FATAL) << "no " << name <<" in the params of " << _opdef.name();
     }
 
 }
diff --git a/src/sita/stuff/operators/add_op.cpp b/src/sita/stuff/operators/add_op.cpp
index 8ddd0f16..df63a42d 100644
--- a/src/sita/stuff/operators/add_op.cpp
+++ b/src/sita/stuff/operators/add_op.cpp
@@ -21,6 +21,7 @@ template<typename Dtype>
 void AddOp<Dtype>::forward(){
       Tensor<Dtype> * data = this->fetch_input(this->_inputs[0]);
       Tensor<Dtype> * add_weight = this->fetch_param("add_weight");
+     LOG(INFO)<<_add_op_param.kernel_h();
 
 
 };
diff --git a/src/sita/stuff/workspace.cpp b/src/sita/stuff/workspace.cpp
index f89741a9..7804bfb5 100644
--- a/src/sita/stuff/workspace.cpp
+++ b/src/sita/stuff/workspace.cpp
@@ -186,10 +186,10 @@ std::string GlobalWorkSpace<Dtype>::param_list(){
 template <typename Dtype>
 void GlobalWorkSpace<Dtype>::global_init(){   
     _ops.clear();
-    for(int i = 0; i < _graph->graph_sym()->ops.size(); i++){
+    for(int i = 0; i < _graph->graph_sym()->operatordef_size(); i++){
         GlobalWorkSpace<Dtype> *gws = this;
-        OperatorDef opdef = _graph->graph_sym()->ops[i];
-        boost::shared_ptr<Operator<Dtype> > op = OperatorRegistry<Dtype>::CreateOperator(opdef,gws);
+        OperatorParameter opdef = _graph->graph_sym()->operatordef(i);
+        boost::shared_ptr<Operator<Dtype> > op = OperatorRegistry<Dtype>::CreateOperator(opdef, gws);
         op->setup();
         op->init();
         _ops.push_back(op);
diff --git a/test.prototxt b/test.prototxt
new file mode 100644
index 00000000..1da96f3f
--- /dev/null
+++ b/test.prototxt
@@ -0,0 +1,21 @@
+name: "LeNet"
+operatordef {
+  name: "data"
+  type: "AddOp"
+  input: "aaa"
+  output: "data"
+  add_op_param {
+  kernel_h: 5
+
+   }
+}
+operatordef {
+  name: "conv1"
+  type: "AddOp"
+  input: "data"
+  output: "conv1"
+  add_op_param{
+  kernel_h: 6
+  }
+}
+