Merge branch 'master' into cpu_layout2

test/serialize.cpp

@@ -99,7 +99,22 @@ TEST(serialize, existing_models)
     {
         const string json_path = file_util::path_join(SERIALIZED_ZOO, model);
         const string json_string = file_util::read_file_to_string(json_path);
-        stringstream ss(json_string);
-        shared_ptr<Function> f = ngraph::deserialize(ss);
+        shared_ptr<Function> f = ngraph::deserialize(json_string);
     }
 }
+
+TEST(benchmark, serialize)
+{
+    stopwatch timer;
+    string model = "mxnet/LSTM_backward.json";
+
+    const string json_path = file_util::path_join(SERIALIZED_ZOO, model);
+    timer.start();
+    const string json_string = file_util::read_file_to_string(json_path);
+    timer.stop();
+    cout << "file read took " << timer.get_milliseconds() << "ms\n";
+    timer.start();
+    shared_ptr<Function> f = ngraph::deserialize(json_string);
+    timer.stop();
+    cout << "deserialize took " << timer.get_milliseconds() << "ms\n";
+}