add more unit tests

paddle/api/Evaluator.cpp

@@ -27,3 +27,18 @@ std::string Evaluator::toString() {
   m->rawPtr->printStats(sout);
   return sout.str();
 }
+
+std::vector<std::string> Evaluator::getNames() const {
+  std::vector<std::string> retv;
+  m->rawPtr->getNames(&retv);
+  return retv;
+}
+
+double Evaluator::getValue(const std::string name) const {
+  paddle::Error err;
+  double v = m->rawPtr->getValue(name, &err);
+  if (err) {
+    throw std::runtime_error(err.msg());
+  }
+  return v;
+}

paddle/api/PaddleAPI.h

@@ -900,6 +900,10 @@ public:
    */
   std::string toString();
 
+  std::vector<std::string> getNames() const;
+
+  double getValue(const std::string name) const;
+
 private:
   EvaluatorPrivate* m;
 

paddle/api/test/testTrain.py

@@ -89,9 +89,14 @@ def main():
             except Exception as e:
                 print e
 
+        ev = m.makeEvaluator()
+        ev.start()
         m.forwardBackward(inArgs, outArgs, swig_paddle.PASS_TRAIN,
                           update_callback)
-
+        m.eval(ev)
+        ev.finish()
+        for name in ev.getNames():
+            print name, ev.getValue(name)
         for optimizer in optimizers:
             optimizer.finishBatch()
 

paddle/gserver/evaluators/CTCErrorEvaluator.cpp

@@ -20,7 +20,7 @@ namespace paddle {
 /**
  * calculate sequence-to-sequence edit distance
  */
-class CTCErrorEvaluator : public Evaluator {
+class CTCErrorEvaluator : public NotGetableEvaluator {
 private:
   MatrixPtr outActivations_;
   int numTimes_, numClasses_, numSequences_, blank_;

paddle/gserver/evaluators/Evaluator.h

@@ -19,6 +19,7 @@ limitations under the License. */
 #include "paddle/parameter/Argument.h"
 #include "paddle/pserver/ParameterClient2.h"
 #include "paddle/utils/ClassRegistrar.h"
+#include "paddle/utils/Error.h"
 
 namespace paddle {
 
@@ -117,12 +118,105 @@ public:
 
   static ClassRegistrar<Evaluator> registrar_;
 
+  /**
+   * @brief getNames will return all field names of current evaluator.
+   *
+   * The format of name is `evaluator_name.evaluator_fields`. If the evaluator
+   * has multiple field, the name could be `evaluator_name.field1`. For example
+   * the PrecisionRecallEvaluator contains `precision`, `recall` fields. The get
+   * names will return `precision_recall_evaluator.precision`,
+   * `precision_recall_evaluator.recal`, etc.
+   *
+   * Also, if current Evaluator is a combined evaluator. getNames will return
+   * all names of all evaluators inside the combined evaluator.
+   *
+   * @param names [out]: the field names of current evaluator.
+   * @note Never clear the names parameter inside getNames.
+   */
+  virtual void getNames(std::vector<std::string>* names) {
+    names->push_back(config_.name());
+  }
+
+  /**
+   * @brief getValue will return the current evaluate value of one field.
+   *
+   * @param name: The field name of current evaluator.
+   * @param err [out]: The error state.
+   *
+   * @return The evaluate value(metric).
+   */
+  virtual real getValue(const std::string& name, Error* err) const {
+    if (name != config_.name()) {
+      *err = Error("no such name of evaluator %s", name.c_str());
+      return .0f;
+    }
+    return this->getValueImpl();
+  }
+
+  /**
+   * @brief getType will return the evaluator type by field name.
+   *
+   * Evaluate Type is the current type of evaluator in string. Such as 'auc',
+   * 'precision_recall'. In combined evaluator, different name may get different
+   * evaluate type because it could be evaluated by different evaluator inside.
+   *
+   * @param name: The field name of current Evaluator.
+   * @param err: The error state. nullptr means don't care.
+   * @return the evaluator type string.
+   */
+  virtual std::string getType(const std::string& name, Error* err) const {
+    if (name != config_.name()) {
+      *err = Error("no such name of evaluator %s", name.c_str());
+      return std::string();
+    }
+    return this->getTypeImpl();
+  }
+
+protected:
+  /**
+   * @brief getValueImpl The simplest way to define getValue result. If this
+   * evaluator doesn't contain multiple fields, and do not throw any error, just
+   * implemented this method to get the evaluate result(metric).
+   * @return Evaluate result(metric).
+   */
+  virtual real getValueImpl() const {
+    return numSamples_ != .0 ? totalScore_ / numSamples_ : .0;
+  }
+
+  /**
+   * @brief getTypeImpl The simplest way to define getType result. If this
+   * evaluator doesn't combine many evaluators, the get type should only return
+   * itself type.
+   * @return Evaluator type.
+   */
+  virtual std::string getTypeImpl() const { return "base"; }
+
 protected:
   EvaluatorConfig config_;
   double numSamples_;
   double totalScore_;
 };
 
+/**
+ * @brief The NotGetableEvaluator class is the base class of evaluator that
+ * cannot get value in runtime. The most NotGetableEvaluator is Printer
+ * Evaluator, which is only used to debug network configuration.
+ */
+class NotGetableEvaluator : public Evaluator {
+  // Evaluator interface
+public:
+  void getNames(std::vector<std::string>* names) {}
+
+  real getValue(const std::string& name, Error* err) const {
+    *err = Error("Not implemented");
+    return .0f;
+  }
+  std::string getType(const std::string& name, Error* err) const {
+    *err = Error("Not implemented");
+    return "";
+  }
+};
+
 class DummyEvaluator : public Evaluator {
 public:
   DummyEvaluator() {}
@@ -135,6 +229,10 @@ public:
   }
   virtual void finish() {}
   virtual void printStats(std::ostream&) const {}
+
+  // Evaluator interface
+protected:
+  std::string getTypeImpl() const;
 };
 /**
  * @brief evaluate AUC using colIdx-th column as prediction.
@@ -191,6 +289,11 @@ private:
   }
 
   double calcAuc() const;
+
+  // Evaluator interface
+protected:
+  real getValueImpl() const;
+  std::string getTypeImpl() const;
 };
 
 /**
@@ -223,6 +326,10 @@ private:
                      real* clickData,
                      real* pvData,
                      size_t size);
+
+  // Evaluator interface
+protected:
+  std::string getTypeImpl() const;
 };
 /**
  * @brief precision, recall and f1 score Evaluator
@@ -272,6 +379,20 @@ private:
   IVectorPtr cpuLabel_;
   MatrixPtr cpuWeight_;
 
+  struct PrintStatsInfo {
+    double precision;
+    double recall;
+    double f1;
+    double macroAvgPrecision;
+    double macroAvgRecall;
+    double macroAvgF1Score;
+    double microAvgPrecision;
+    double microAvgRecall;
+    double microAvgF1Score;
+  };
+
+  bool getStatsInfo(PrintStatsInfo* info) const;
+
   void calcStatsInfo(const MatrixPtr& output,
                      const IVectorPtr& label,
                      const MatrixPtr& weight);
@@ -303,6 +424,15 @@ private:
       return 0;
     }
   }
+
+  mutable std::unordered_map<std::string, real> values_;
+
+  void storeLocalValues() const;
+  // Evaluator interface
+public:
+  void getNames(std::vector<std::string>* names);
+  real getValue(const std::string& name, Error* err) const;
+  std::string getType(const std::string& name, Error* err) const;
 };
 
 /*
@@ -349,8 +479,7 @@ public:
   virtual void finish() { calc(predictArray_); }
 
   virtual void printStats(std::ostream& os) const {
-    os << " pos/neg"
+    os << " pos/neg=" << this->getValueImpl();
-       << "=" << pairArray_[0] / ((pairArray_[1] <= 0) ? 1.0 : pairArray_[1]);
   }
 
   virtual void distributeEval(ParameterClient2* client) {
@@ -366,6 +495,13 @@ private:
   IVectorPtr cpuLabel_;
   IVectorPtr cpuInfo_;
   MatrixPtr cpuWeight_;
+
+  // Evaluator interface
+protected:
+  real getValueImpl() const {
+    return pairArray_[0] / ((pairArray_[1] <= 0) ? 1.0 : pairArray_[1]);
+  }
+  std::string getTypeImpl() const;
 };
 
 }  // namespace paddle

paddle/gserver/gradientmachines/NeuralNetwork.cpp

@@ -306,7 +306,6 @@ void NeuralNetwork::onPassEnd() {
 
 class CombinedEvaluator : public Evaluator {
 public:
-  CombinedEvaluator() {}
   void addEvaluator(std::unique_ptr<Evaluator>&& evaluator) {
     evaluators_.emplace_back(std::move(evaluator));
   }
@@ -346,6 +345,55 @@ public:
 
 protected:
   std::vector<std::unique_ptr<Evaluator>> evaluators_;
+
+  // Evaluator interface
+public:
+  /**
+   * @brief getNames will return all inside evaluators' names.
+   * @param names [out]: return names.
+   */
+  void getNames(std::vector<std::string>* names) {
+    for (auto& eval : evaluators_) {
+      eval->getNames(names);
+    }
+  }
+
+  /**
+   * @brief getValue could get all inside evaluators' value.
+   */
+  real getValue(const std::string& name, Error* err) const {
+    return this->getMethodHelper<real>(
+        name, err, [&name, err](const std::unique_ptr<Evaluator>& eval) {
+          return eval->getValue(name, err);
+        });
+  }
+
+  /**
+   * @brief getType could get all inside evaluators' type.
+   */
+  std::string getType(const std::string& name, Error* err) const {
+    return this->getMethodHelper<std::string>(
+        name, err, [&name, err](const std::unique_ptr<Evaluator>& eval) {
+          return eval->getType(name, err);
+        });
+  }
+
+private:
+  template <typename T>
+  T getMethodHelper(const std::string& name,
+                    Error* err,
+                    const std::function<T(const std::unique_ptr<Evaluator>&)>&
+                        callback) const {
+    for (auto& eval : evaluators_) {
+      std::vector<std::string> names;
+      eval->getNames(&names);
+      if (std::find(names.begin(), names.end(), name) != names.end()) {
+        return callback(eval);
+      }
+    }
+    *err = Error("No such key %s", name.c_str());
+    return T();
+  }
 };
 
 Evaluator* NeuralNetwork::makeEvaluator() const {

paddle/gserver/tests/test_Evaluator.cpp

@@ -110,6 +110,18 @@ void testEvaluator(TestConfig testConf,
   testEvaluator->finish();
   LOG(INFO) << *testEvaluator;
 
+  std::vector<std::string> names;
+  testEvaluator->getNames(&names);
+  paddle::Error err;
+  for (auto& name : names) {
+    auto value = testEvaluator->getValue(name, &err);
+    ASSERT_TRUE(err.isOK());
+    LOG(INFO) << name << " " << value;
+    auto tp = testEvaluator->getType(name, &err);
+    ASSERT_TRUE(err.isOK());
+    ASSERT_EQ(testConf.evaluatorConfig.type(), tp);
+  }
+
   double totalScore2 = 0.0;
   if (testConf.testAccumulate) {
     testEvaluator->start();

paddle/scripts/docker/Dockerfile

@@ -10,28 +10,30 @@ RUN apt-get update && \
     apt-get install -y wget unzip tar xz-utils bzip2 gzip coreutils && \
     apt-get install -y curl sed grep graphviz libjpeg-dev zlib1g-dev && \
     apt-get install -y python-numpy python-matplotlib gcc g++ gfortran && \
-    apt-get install -y automake clang-3.8 llvm-3.8 libclang-3.8-dev && \
+    apt-get install -y automake && \
     apt-get clean -y
 
 RUN pip install --upgrade pip && \
-    pip install -U protobuf && \
+    pip install -U "protobuf==3.1.0" && \
     pip install -U wheel pillow BeautifulSoup && \
     pip install -U docopt PyYAML sphinx && \
     pip install -U sphinx_rtd_theme recommonmark jupyter
 
 RUN curl -sSL https://cmake.org/files/v3.4/cmake-3.4.1.tar.gz | tar -xz && \
-    cd cmake-3.4.1 && ./bootstrap && make -j4 && make install && \
+    cd cmake-3.4.1 && ./bootstrap && make -j `nproc` && make install && \
     cd .. && rm -rf cmake-3.4.1
 
+ARG BUILD_WOBOQ
 ARG BUILD_AND_INSTALL
 ARG WITH_AVX
 ARG WITH_DOC
 ARG WITH_STYLE_CHECK
 
+ENV BUILD_WOBOQ=${BUILD_WOBOQ:-OFF}
 ENV BUILD_AND_INSTALL=${BUILD_AND_INSTALL:-OFF}
 ENV WITH_GPU=OFF
 ENV WITH_AVX=${WITH_AVX:-ON}
-ENV WITH_DOC=${WITH_DOC:-ON}
+ENV WITH_DOC=${WITH_DOC:-OFF}
 ENV WITH_STYLE_CHECK=${WITH_STYLE_CHECK:-OFF}
 
 RUN mkdir /paddle

paddle/scripts/docker/Dockerfile.gpu

@@ -10,28 +10,30 @@ RUN apt-get update && \
     apt-get install -y wget unzip tar xz-utils bzip2 gzip coreutils && \
     apt-get install -y curl sed grep graphviz libjpeg-dev zlib1g-dev && \
     apt-get install -y python-numpy python-matplotlib gcc g++ gfortran && \
-    apt-get install -y automake clang-3.8 llvm-3.8 libclang-3.8-dev && \
+    apt-get install -y automake && \
     apt-get clean -y
 
 RUN pip install --upgrade pip && \
-    pip install -U protobuf && \
+    pip install -U "protobuf==3.1.0" && \
     pip install -U wheel pillow BeautifulSoup && \
     pip install -U docopt PyYAML sphinx && \
     pip install -U sphinx_rtd_theme recommonmark jupyter
 
 RUN curl -sSL https://cmake.org/files/v3.4/cmake-3.4.1.tar.gz | tar -xz && \
-    cd cmake-3.4.1 && ./bootstrap && make -j4 && make install && \
+    cd cmake-3.4.1 && ./bootstrap && make -j `nproc` && make install && \
     cd .. && rm -rf cmake-3.4.1
 
+ARG BUILD_WOBOQ
 ARG BUILD_AND_INSTALL
 ARG WITH_AVX
 ARG WITH_DOC
 ARG WITH_STYLE_CHECK
 
+ENV BUILD_WOBOQ=${BUILD_WOBOQ:-OFF}
 ENV BUILD_AND_INSTALL=${BUILD_AND_INSTALL:-OFF}
 ENV WITH_GPU=ON
 ENV WITH_AVX=${WITH_AVX:-ON}
-ENV WITH_DOC=${WITH_DOC:-ON}
+ENV WITH_DOC=${WITH_DOC:-OFF}
 ENV WITH_STYLE_CHECK=${WITH_STYLE_CHECK:-OFF}
 
 RUN mkdir /paddle

paddle/scripts/docker/build.sh

@@ -11,7 +11,7 @@ set -e
 # If Dockerfile.* sets BUILD_AND_INSTALL to 'ON', it would have copied
 # source tree to /paddle, and this scripts should build it into
 # /paddle/build.
-if [[ ${BUILD_AND_INSTALL:-ON} == 'ON' ]]; then
+if [[ ${BUILD_AND_INSTALL:-OFF} == 'ON' ]]; then
     if [[ ${WITH_GPU:-OFF} == 'ON' ]]; then
 	ln -s /usr/lib/x86_64-linux-gnu/libcudnn.so /usr/lib/libcudnn.so
     fi
@@ -19,7 +19,7 @@ if [[ ${BUILD_AND_INSTALL:-ON} == 'ON' ]]; then
     mkdir -p /paddle/build # -p means no error if exists
     cd /paddle/build
     cmake .. \
-	  -DWITH_DOC=ON \
+	  -DWITH_DOC=${WITH_DOC:-OFF} \
 	  -DWITH_GPU=${WITH_GPU:-OFF} \
 	  -DWITH_AVX=${WITH_AVX:-OFF} \
 	  -DWITH_SWIG_PY=ON \
@@ -29,6 +29,8 @@ if [[ ${BUILD_AND_INSTALL:-ON} == 'ON' ]]; then
     make -j `nproc`
     make install
 
+    if [[ ${BUILD_WOBOQ:-OFF} == 'ON' ]]; then
+        apt-get install -y clang-3.8 llvm-3.8 libclang-3.8-dev 
         # Install woboq_codebrowser.
         git clone https://github.com/woboq/woboq_codebrowser /woboq
         cd /woboq
@@ -49,8 +51,10 @@ if [[ ${BUILD_AND_INSTALL:-ON} == 'ON' ]]; then
         /woboq/indexgenerator/codebrowser_indexgenerator $WOBOQ_OUT
         cd /woboq
         make clean
+    fi
 
-    pip install /usr/local/opt/paddle/share/wheels/*.whl
+    pip install /usr/local/opt/paddle/share/wheels/py_paddle*linux*.whl
+    pip install /usr/local/opt/paddle/share/wheels/paddle*.whl
     paddle version
 fi
 

paddle/utils/Error.h

@@ -37,10 +37,10 @@ namespace paddle {
  *
  * Error __must_check bar() {
  *   // do something.
- *   Status s = foo();  // invoke other method return status.
+ *   Error err = foo();  // invoke other method return status.
- *   if (!s) return s;
+ *   if (err) return err;
  *   // do something else.
- *   return Status();
+ *   return Error();
  * }
  * @endcode{cpp}
  *
@@ -53,8 +53,8 @@ namespace paddle {
  *
  * int foo(Error* error) {
  *   // Do something.
- *   Error s = bar();
+ *   Error err = bar();
- *   if (!s) {
+ *   if (err) {
  *     *error = s;
  *     return 0;
  *   }
@@ -68,10 +68,10 @@ namespace paddle {
  * }
  *
  * Error foobar() {
- *   Error s;
+ *   Error err;
  *   // do something.
- *   foo(&s);
+ *   foo(&err);
- *   if (!s) return s;
+ *   if (err) return err;
  * }
  * @endcode{cpp}
  *
@@ -112,16 +112,22 @@ public:
   }
 
   /**
-   * @brief operator bool, return True if there is no error.
+   * @brief operator bool, return True if there is something error.
    */
-  operator bool() const { return msg_ == nullptr; }
+  operator bool() const { return !this->isOK(); }
+
+  /**
+   * @brief isOK return True if there is no error.
+   * @return True if no error.
+   */
+  bool isOK() const { return msg_ == nullptr; }
 
   /**
    * @brief check this status by glog.
    * @note It is a temp method used during cleaning Paddle code. It will be
    *       removed later.
    */
-  void check() const { CHECK(*this) << msg(); }
+  void check() const { CHECK(this->isOK()) << msg(); }
 
 private:
   std::shared_ptr<std::string> msg_;

paddle/utils/tests/test_Error.cpp

@@ -18,17 +18,17 @@ limitations under the License. */
 
 TEST(Error, testAll) {
   paddle::Error error;
-  ASSERT_TRUE(error);
-  error = paddle::Error("I'm the error");
   ASSERT_FALSE(error);
+  error = paddle::Error("I'm the error");
+  ASSERT_TRUE(error);
   ASSERT_STREQ("I'm the error", error.msg());
 
   error = paddle::Error("error2");
-  ASSERT_FALSE(error);
+  ASSERT_TRUE(error);
   ASSERT_STREQ("error2", error.msg());
 
   int i = 3;
   auto error3 = paddle::Error("error%d", i);
-  ASSERT_FALSE(error3);
+  ASSERT_TRUE(error3);
   ASSERT_STREQ("error3", error3.msg());
 }

python/paddle/v2/__init__.py

@@ -19,11 +19,12 @@ import trainer
 import event
 import data_type
 import data_feeder
+import attr
 import py_paddle.swig_paddle as api
 
 __all__ = [
     'optimizer', 'layer', 'activation', 'parameters', 'init', 'trainer',
-    'event', 'data_type', 'data_feeder'
+    'event', 'data_type', 'attr', 'data_feeder'
 ]
 
 

python/paddle/v2/attr.py

@@ -0,0 +1,23 @@
+# Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from paddle.trainer_config_helpers.attrs import *
+
+__all__ = [
+    "Param",
+    "Extra",
+]
+
+Param = ParameterAttribute
+Extra = ExtraLayerAttribute

python/paddle/v2/data_feeder.py

@@ -23,9 +23,10 @@ class DataFeeder(DataProviderConverter):
     """
     DataFeeder converts the data returned by paddle.reader into a data structure
     of Arguments which is defined in the API. The paddle.reader usually returns
-    a list of mini-batch data. Each item in the list is a list or a tuple,
+    a list of mini-batch data entries. Each data entry in the list is one sampe.
-    which is one sample with one or multiple features. DataFeeder converts this
+    Each sample is a list or a tuple with one feature or multiple features.
-    mini-batch data into Arguments in order to feed it to C++ interface.
+    DataFeeder converts this mini-batch data entries into Arguments in order
+    to feed it to C++ interface.
     
     The example usage:
     
@@ -37,6 +38,10 @@ class DataFeeder(DataProviderConverter):
                            ( [1.0,2.0,3.0,4.0], 5, [6,7,8] ),  # first sample
                            ( [1.0,2.0,3.0,4.0], 5, [6,7,8] )   # second sample
                          ]
+        # or minibatch_data = [
+        #                       [ [1.0,2.0,3.0,4.0], 5, [6,7,8] ],  # first sample
+        #                       [ [1.0,2.0,3.0,4.0], 5, [6,7,8] ]   # second sample
+        #                     ]
         arg = feeder(minibatch_data)
     """
 
@@ -63,13 +68,19 @@ class DataFeeder(DataProviderConverter):
 
     def convert(self, dat, argument=None):
         """
-        :param dat: A list of mini-batch data. Each item is a list or tuple,
+        :param dat: A list of mini-batch data. Each sample is a list or tuple
+                    one feature or multiple features.
                     for example:
                     [ 
-                      (feature_0, feature_1, feature_2, ...), # first sample
+                      ([0.2, 0.2], ), # first sample
-                      (feature_0, feature_1, feature_2, ...), # second sample
+                      ([0.8, 0.3], ), # second sample
-                      ...
                     ]
+                    or,
+                    [ 
+                      [[0.2, 0.2], ], # first sample
+                      [[0.8, 0.3], ], # second sample
+                    ]
+
         :type dat: List
         :param argument: An Arguments object contains this mini-batch data with
                          one or multiple features. The Arguments definition is

python/paddle/v2/data_type.py

@@ -14,9 +14,9 @@
 
 from paddle.trainer.PyDataProvider2 import \
     InputType, dense_vector, sparse_binary_vector,\
-    sparse_vector, integer_value
+    sparse_vector, integer_value, integer_value_sequence
 
 __all__ = [
     'InputType', 'dense_vector', 'sparse_binary_vector', 'sparse_vector',
-    'integer_value'
+    'integer_value', 'integer_value_sequence'
 ]

python/paddle/v2/layer.py

@@ -74,6 +74,8 @@ from paddle.trainer_config_helpers.config_parser_utils import \
 from paddle.trainer_config_helpers.default_decorators import wrap_name_default
 
 import data_type
+import activation
+import attr
 
 __all__ = [
     'parse_network', 'data', 'fc', 'max_id', 'classification_cost',
@@ -230,8 +232,11 @@ if __name__ == '__main__':
     weight = data(name='weight', type=data_type.dense_vector(10))
     score = data(name='score', type=data_type.dense_vector(1))
 
-    hidden = fc(input=pixel, size=100, act=conf_helps.SigmoidActivation())
+    hidden = fc(input=pixel,
-    inference = fc(input=hidden, size=10, act=conf_helps.SoftmaxActivation())
+                size=100,
+                act=activation.Sigmoid(),
+                param_attr=attr.Param(name='hidden'))
+    inference = fc(input=hidden, size=10, act=activation.Softmax())
     maxid = max_id(input=inference)
     cost1 = classification_cost(input=inference, label=label)
     cost2 = classification_cost(input=inference, label=label, weight=weight)

python/paddle/v2/tests/CMakeLists.txt

@@ -1,2 +1,6 @@
+add_test(NAME test_v2_layer
+        COMMAND ${PROJ_ROOT}/paddle/.set_python_path.sh -d ${PROJ_ROOT}/python/
+        ${PYTHON_EXECUTABLE} ${PROJ_ROOT}/python/paddle/v2/tests/test_layer.py
+        WORKING_DIRECTORY ${PROJ_ROOT}/python/paddle)
 add_test(NAME test_v2_api
     COMMAND bash ${PROJ_ROOT}/python/paddle/v2/tests/run_tests.sh ${PYTHON_EXECUTABLE})

python/paddle/v2/tests/test_data_feeder.py

@@ -32,7 +32,7 @@ class DataFeederTest(unittest.TestCase):
             num = np.random.randint(size_limit)
         return np.random.randint(high, size=num).tolist()
 
-    def test_dense_vector(self):
+    def test_dense(self):
         def compare(input):
             feeder = DataFeeder([('image', data_type.dense_vector(784))],
                                 {'image': 0})
@@ -51,7 +51,7 @@ class DataFeederTest(unittest.TestCase):
             data.append(each_sample)
         compare(data)
 
-        # test list
+        # each feature is a list
         data = []
         for i in xrange(batch_size):
             each_sample = []
@@ -59,6 +59,13 @@ class DataFeederTest(unittest.TestCase):
             data.append(each_sample)
         compare(data)
 
+        # test tuple
+        data = []
+        for i in xrange(batch_size):
+            each_sample = (self.dense_reader(dim).tolist(), )
+            data.append(each_sample)
+        compare(data)
+
     def test_sparse_binary(self):
         dim = 10000
         batch_size = 32
@@ -86,7 +93,7 @@ class DataFeederTest(unittest.TestCase):
             a = self.sparse_binary_reader(dim, 40, non_empty=True)
             b = self.dense_reader(len(a)).tolist()
             v.append(a)
-            w.append(b[0])
+            w.append(np.array(b, dtype="float32"))
             each_sample.append(zip(a, b))
             data.append(each_sample)
 
@@ -97,6 +104,10 @@ class DataFeederTest(unittest.TestCase):
         assert isinstance(output, api.Matrix)
         for i in xrange(batch_size):
             self.assertEqual(output.getSparseRowCols(i), v[i])
+            cols_value = output.getSparseRowColsVal(i)
+            value = [val[1] for val in cols_value]
+            value = np.array(value, dtype="float32")
+            self.assertAlmostEqual(value.all(), w[i].all())
 
     def test_integer(self):
         dim = 100
@@ -113,16 +124,42 @@ class DataFeederTest(unittest.TestCase):
         index = np.array(index, dtype='int')
         self.assertEqual(output.all(), index.flatten().all())
 
-    def test_multiple_slots(self):
+    def test_integer_sequence(self):
+        dim = 10000
+        batch_size = 32
+        start = [0]
+        data = []
+        for i in xrange(batch_size):
+            each_sample = []
+            each_sample.append(
+                self.sparse_binary_reader(
+                    dim, 30, non_empty=True))
+            data.append(each_sample)
+            start.append(len(each_sample[0]) + start[-1])
+        feeder = DataFeeder([('input', data_type.integer_value_sequence(dim))],
+                            {'input': 0})
+        arg = feeder(data)
+        output_data = arg.getSlotIds(0).copyToNumpyArray()
+        output_start = arg.getSlotSequenceStartPositions(0).copyToNumpyArray()
+
+        index = []
+        for dat in data:
+            index.extend(x for x in dat[0])  # only one feature, so dat[0]
+        index = np.array(index, dtype='int')
+        start = np.array(start, dtype='int')
+        self.assertEqual(output_data.all(), index.all())
+        self.assertEqual(output_start.all(), start.all())
+
+    def test_multiple_features(self):
         batch_size = 2
         data = []
         for i in xrange(batch_size):
             each_sample = []
-            each_sample.append(np.random.randint(10))  # size of feature 2: 10
+            each_sample.append(np.random.randint(10))
             each_sample.append(
                 self.sparse_binary_reader(
-                    20000, 40, non_empty=True))  # size of feature 1: 20000
+                    20000, 40, non_empty=True))
-            each_sample.append(self.dense_reader(100))  # size of feature 0: 100
+            each_sample.append(self.dense_reader(100))
             data.append(each_sample)
 
         # test multiple features
@@ -150,10 +187,30 @@ class DataFeederTest(unittest.TestCase):
             self.assertEqual(output_dense[i].all(), data[i][2].all())
             self.assertEqual(output_index[i], data[i][0])
 
+    def test_multiple_features_tuple(self):
+        batch_size = 2
+        data = []
+        for i in xrange(batch_size):
+            a = np.random.randint(10)
+            b = self.sparse_binary_reader(20000, 40, non_empty=True)
+            c = self.dense_reader(100)
+            each_sample = (a, b, c)
+            data.append(each_sample)
+
+        # test multiple features
+        data_types = [('fea0', data_type.dense_vector(100)),
+                      ('fea1', data_type.sparse_binary_vector(20000)),
+                      ('fea2', data_type.integer_value(10))]
+        feeder = DataFeeder(data_types, {'fea0': 2, 'fea1': 1, 'fea2': 0})
+        arg = feeder(data)
+        out_dense = arg.getSlotValue(0).copyToNumpyMat()
+        out_sparse = arg.getSlotValue(1)
+        out_index = arg.getSlotIds(2).copyToNumpyArray()
+        for i in xrange(batch_size):
+            self.assertEqual(out_dense[i].all(), data[i][2].all())
+            self.assertEqual(out_sparse.getSparseRowCols(i), data[i][1])
+            self.assertEqual(out_index[i], data[i][0])
 
-if __name__ == '__main__':
-    api.initPaddle("--use_gpu=0")
-    unittest.main()
 
 if __name__ == '__main__':
     api.initPaddle("--use_gpu=0")

python/paddle/v2/tests/test_layer.py

@@ -0,0 +1,63 @@
+# Copyright PaddlePaddle contributors. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import difflib
+import unittest
+
+import paddle.trainer_config_helpers as conf_helps
+import paddle.v2.activation as activation
+import paddle.v2.attr as attr
+import paddle.v2.data_type as data_type
+import paddle.v2.layer as layer
+from paddle.trainer_config_helpers.config_parser_utils import \
+    parse_network_config as parse_network
+
+pixel = layer.data(name='pixel', type=data_type.dense_vector(784))
+label = layer.data(name='label', type=data_type.integer_value(10))
+weight = layer.data(name='weight', type=data_type.dense_vector(10))
+score = layer.data(name='score', type=data_type.dense_vector(1))
+hidden = layer.fc(input=pixel,
+                  size=100,
+                  act=activation.Sigmoid(),
+                  param_attr=attr.Param(name='hidden'))
+inference = layer.fc(input=hidden, size=10, act=activation.Softmax())
+
+
+class CostLayerTest(unittest.TestCase):
+    def test_cost_layer(self):
+        cost1 = layer.classification_cost(input=inference, label=label)
+        cost2 = layer.classification_cost(
+            input=inference, label=label, weight=weight)
+        cost3 = layer.cross_entropy_cost(input=inference, label=label)
+        cost4 = layer.cross_entropy_with_selfnorm_cost(
+            input=inference, label=label)
+        cost5 = layer.regression_cost(input=inference, label=label)
+        cost6 = layer.regression_cost(
+            input=inference, label=label, weight=weight)
+        cost7 = layer.multi_binary_label_cross_entropy_cost(
+            input=inference, label=label)
+        cost8 = layer.rank_cost(left=score, right=score, label=score)
+        cost9 = layer.lambda_cost(input=inference, score=score)
+        cost10 = layer.sum_cost(input=inference)
+        cost11 = layer.huber_cost(input=score, label=label)
+
+        print dir(layer)
+        layer.parse_network(cost1, cost2)
+        print dir(layer)
+        #print layer.parse_network(cost3, cost4)
+        #print layer.parse_network(cost5, cost6)
+        #print layer.parse_network(cost7, cost8, cost9, cost10, cost11)
+
+
+if __name__ == '__main__':
+    unittest.main()