From 8b833d5a8ada43ba8b049665d5c6161eeb0c5d65 Mon Sep 17 00:00:00 2001
From: Yu Yang <yuyang18@baidu.com>
Date: Mon, 26 Dec 2016 16:18:22 +0800
Subject: [PATCH] Add load/save method for Parameter

---
 paddle/api/PaddleAPI.h                 | 4 ++++
 paddle/api/Parameter.cpp               | 8 ++++++++
 paddle/api/test/.gitignore             | 6 ++++++
 paddle/api/test/testGradientMachine.py | 4 ++++
 4 files changed, 22 insertions(+)
 create mode 100644 paddle/api/test/.gitignore

diff --git a/paddle/api/PaddleAPI.h b/paddle/api/PaddleAPI.h
index 155e3e3afe..bc1b22e187 100644
--- a/paddle/api/PaddleAPI.h
+++ b/paddle/api/PaddleAPI.h
@@ -551,6 +551,10 @@ public:
   ParameterConfig* getConfig();
   void setValueUpdated();
 
+  bool save(const std::string& filename) const;
+
+  bool load(const std::string& filename) const;
+
 private:
   static Parameter* createFromRawPtr(void* ptr);
   static Parameter* createFromSharedPtr(void* ptr);
diff --git a/paddle/api/Parameter.cpp b/paddle/api/Parameter.cpp
index 4eed00a84a..9cfa2e35f5 100644
--- a/paddle/api/Parameter.cpp
+++ b/paddle/api/Parameter.cpp
@@ -70,3 +70,11 @@ ParameterConfig* Parameter::getConfig() {
 size_t Parameter::getID() const { return m->getPtr()->getID(); }
 
 void Parameter::setValueUpdated() { m->getPtr()->setValueUpdated(); }
+
+bool Parameter::save(const std::string& filename) const {
+  return m->getPtr()->save(filename);
+}
+
+bool Parameter::load(const std::string& filename) const {
+  return m->getPtr()->load(filename);
+}
diff --git a/paddle/api/test/.gitignore b/paddle/api/test/.gitignore
new file mode 100644
index 0000000000..ef37ef4167
--- /dev/null
+++ b/paddle/api/test/.gitignore
@@ -0,0 +1,6 @@
+___fc_layer_0__.w0
+___fc_layer_0__.wbias
+_hidden1.w0
+_hidden1.wbias
+_hidden2.w0
+_hidden2.wbias
diff --git a/paddle/api/test/testGradientMachine.py b/paddle/api/test/testGradientMachine.py
index b81eafa967..4b705f66ec 100644
--- a/paddle/api/test/testGradientMachine.py
+++ b/paddle/api/test/testGradientMachine.py
@@ -45,6 +45,7 @@ class TestGradientMachine(unittest.TestCase):
             assert isinstance(val, swig_paddle.Vector)
             arr = numpy.full((len(val), ), 0.1, dtype="float32")
             val.copyFromNumpyArray(arr)
+            self.assertTrue(param.save(param.getName()))
             param_config = param.getConfig().toProto()
             assert isinstance(param_config,
                               paddle.proto.ParameterConfig_pb2.ParameterConfig)
@@ -92,6 +93,9 @@ class TestGradientMachine(unittest.TestCase):
 
         self.assertTrue(self.isCalled)
 
+        for param in machine.getParameters():
+            self.assertTrue(param.load(param.getName()))
+
     def test_train_one_pass(self):
         conf_file_path = './testTrainConfig.py'
         trainer_config = swig_paddle.TrainerConfig.createFromTrainerConfigFile(
-- 
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