Merge remote-tracking branch 'ups/develop' into fix/mac

paddle/fluid/framework/details/execution_strategy.h

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 #pragma once
+#include <cstddef>  // for size_t
 
 namespace paddle {
 namespace framework {
@@ -26,6 +27,7 @@ struct ExecutionStrategy {
   bool allow_op_delay_{false};
   size_t num_iteration_per_drop_scope_{100};
   ExecutorType type_{kDefault};
+  bool dry_run_{false};
 };
 
 }  //  namespace details

paddle/fluid/framework/details/fast_threaded_ssa_graph_executor.cc

@@ -128,7 +128,9 @@ void FastThreadedSSAGraphExecutor::RunOpAsync(
     size_t complete = 0;
     while (op_to_run != nullptr) {
       try {
-        op_to_run->Run(strategy_.use_cuda_);
+        if (LIKELY(!strategy_.dry_run_)) {
+          op_to_run->Run(strategy_.use_cuda_);
+        }
         ++complete;
       } catch (...) {
         exception_.Catch(std::current_exception());

paddle/fluid/framework/details/threaded_ssa_graph_executor.cc

@@ -211,7 +211,9 @@ void ThreadedSSAGraphExecutor::RunOp(
       if (VLOG_IS_ON(10)) {
         VLOG(10) << op << " " << op->Name() << " : " << op->DebugString();
       }
-      op->Run(strategy_.use_cuda_);
+      if (LIKELY(!strategy_.dry_run_)) {
+        op->Run(strategy_.use_cuda_);
+      }
       VLOG(10) << op << " " << op->Name() << " Done ";
       running_ops_--;
       ready_var_q->Extend(op->Outputs());

paddle/fluid/framework/details/threaded_ssa_graph_executor.h

@@ -48,7 +48,7 @@ class ThreadedSSAGraphExecutor : public SSAGraphExecutor {
   // Use topological sort algorithm
   FeedFetchList Run(const std::vector<std::string> &fetch_tensors) override;
 
-  ~ThreadedSSAGraphExecutor() {}
+  ~ThreadedSSAGraphExecutor() final = default;
 
  private:
   void RunOp(const std::shared_ptr<BlockingQueue<VarHandleBase *>> &ready_var_q,

paddle/fluid/framework/parallel_executor.cc

@@ -38,9 +38,20 @@ class ParallelExecutorPrivate {
   explicit ParallelExecutorPrivate(const std::vector<platform::Place> &places)
       : places_(places) {}
 
+  ~ParallelExecutorPrivate() {
+    if (own_local_scope_) {
+      for (size_t i = 1; i < local_scopes_.size(); ++i) {
+        // Skip the first scope, since it is the global scope.
+        Scope *local_scope = local_scopes_[i];
+        if (global_scope_->HasKid(local_scope)) {
+          global_scope_->DeleteScope(local_scope);
+        }
+      }
+    }
+  }
   std::vector<platform::Place> places_;
   std::vector<Scope *> local_scopes_;
-  Scope *global_scope_;
+  Scope *global_scope_;  // not owned
   std::unique_ptr<details::SSAGraphExecutor> executor_;
 
 #ifdef PADDLE_WITH_CUDA
@@ -306,16 +317,6 @@ ParallelExecutor::~ParallelExecutor() {
   for (auto &p : member_->places_) {
     platform::DeviceContextPool::Instance().Get(p)->Wait();
   }
-
-  if (member_->own_local_scope_) {
-    for (size_t i = 1; i < member_->local_scopes_.size(); ++i) {
-      Scope *local_scope = member_->local_scopes_[i];
-      if (member_->global_scope_->HasKid(local_scope)) {
-        member_->global_scope_->DeleteScope(local_scope);
-      }
-    }
-  }
-
   // member_ must be destructed before gcs_ since the destructor of
   // ReferenceCountOpHandle use raw pointers of gcs_ inside.
   member_.reset();

paddle/fluid/inference/CMakeLists.txt

 if(WITH_TESTING)
-  include(test.cmake) # some generic cmake funtion for inference
+  include(tests/test.cmake) # some generic cmake funtion for inference
 endif()
 # analysis and tensorrt must be added before creating static library,
 # otherwise, there would be undefined reference to them in static library.

paddle/fluid/inference/tests/api/CMakeLists.txt

 set(INFERENCE_EXTRA_DEPS paddle_inference_api paddle_fluid_api ir_pass_manager analysis_predictor)
 
+function(download_model install_dir model_name)
+    if (NOT EXISTS ${install_dir})
+        inference_download_and_uncompress(${install_dir} ${INFERENCE_URL} ${model_name})
+    endif()
+endfunction()
+
 function(download_model_and_data install_dir model_name data_name)
     if (NOT EXISTS ${install_dir})
         inference_download_and_uncompress(${install_dir} ${INFERENCE_URL} ${model_name})
@@ -13,6 +19,13 @@ function(inference_analysis_api_test target install_dir filename)
         ARGS --infer_model=${install_dir}/model --infer_data=${install_dir}/data.txt)
 endfunction()
 
+function(inference_analysis_api_test_with_fake_data target install_dir filename model_name)
+    download_model(${install_dir} ${model_name})
+    inference_analysis_test(${target} SRCS ${filename}
+        EXTRA_DEPS ${INFERENCE_EXTRA_DEPS}
+        ARGS --infer_model=${install_dir}/model)
+endfunction()
+
 # RNN1
 if(NOT APPLE)
     set(RNN1_INSTALL_DIR "${INFERENCE_DEMO_INSTALL_DIR}/rnn1")
@@ -61,17 +74,13 @@ inference_analysis_api_test(test_analyzer_seq_conv1 ${SEQ_CONV1_INSTALL_DIR} ana
 # ocr
 set(OCR_INSTALL_DIR "${INFERENCE_DEMO_INSTALL_DIR}/ocr")
 if (NOT EXISTS ${OCR_INSTALL_DIR})
-    inference_download_and_uncompress(${OCR_INSTALL_DIR} "http://paddlemodels.cdn.bcebos.com/" "inference-vis-demos%2Focr.tar.gz")
+  inference_download_and_uncompress(${OCR_INSTALL_DIR} "http://paddlemodels.cdn.bcebos.com/" "inference-vis-demos%2Focr.tar.gz")
 endif()
 inference_analysis_api_test(test_analyzer_ocr ${OCR_INSTALL_DIR} analyzer_vis_tester.cc)
 
 # resnet50
-set(RESNET50_INSTALL_DIR "${INFERENCE_DEMO_INSTALL_DIR}/resnet50")
-if (NOT EXISTS ${RESNET50_INSTALL_DIR})
-    inference_download_and_uncompress(${RESNET50_INSTALL_DIR} ${INFERENCE_URL} "resnet50_model.tar.gz")
-endif()
-inference_analysis_test(test_analyzer_resnet50 SRCS analyzer_resnet50_tester.cc
-    EXTRA_DEPS ${INFERENCE_EXTRA_DEPS} ARGS --infer_model=${RESNET50_INSTALL_DIR}/model)
+inference_analysis_api_test_with_fake_data(test_analyzer_resnet50 
+  "${INFERENCE_DEMO_INSTALL_DIR}/resnet50" analyzer_resnet50_tester.cc "resnet50_model.tar.gz")
 
 # anakin
 if (WITH_ANAKIN AND WITH_MKL) # only needed in CI

paddle/fluid/inference/tests/api/analyzer_resnet50_tester.cc

@@ -30,25 +30,7 @@ void SetConfig(AnalysisConfig *cfg) {
 }
 
 void SetInput(std::vector<std::vector<PaddleTensor>> *inputs) {
-  PADDLE_ENFORCE_EQ(FLAGS_test_all_data, 0, "Only have single batch of data.");
-
-  PaddleTensor input;
-  // channel=3, height/width=318
-  std::vector<int> shape({FLAGS_batch_size, 3, 318, 318});
-  input.shape = shape;
-  input.dtype = PaddleDType::FLOAT32;
-
-  // fill input data, for profile easily, do not use random data here.
-  size_t size = FLAGS_batch_size * 3 * 318 * 318;
-  input.data.Resize(size * sizeof(float));
-  float *input_data = static_cast<float *>(input.data.data());
-  for (size_t i = 0; i < size; i++) {
-    *(input_data + i) = static_cast<float>(i) / size;
-  }
-
-  std::vector<PaddleTensor> input_slots;
-  input_slots.assign({input});
-  (*inputs).emplace_back(input_slots);
+  SetFakeImageInput(inputs, FLAGS_infer_model);
 }
 
 // Easy for profiling independently.
@@ -61,13 +43,6 @@ void profile(bool use_mkldnn = false) {
   std::vector<std::vector<PaddleTensor>> input_slots_all;
   SetInput(&input_slots_all);
   TestPrediction(cfg, input_slots_all, &outputs, FLAGS_num_threads);
-
-  if (FLAGS_num_threads == 1 && !FLAGS_test_all_data) {
-    PADDLE_ENFORCE_EQ(outputs.size(), 1UL);
-    size_t size = GetSize(outputs[0]);
-    // output is a 512-dimension feature
-    EXPECT_EQ(size, 512 * FLAGS_batch_size);
-  }
 }
 
 TEST(Analyzer_resnet50, profile) { profile(); }
@@ -83,8 +58,7 @@ TEST(Analyzer_resnet50, fuse_statis) {
   auto predictor = CreatePaddlePredictor<AnalysisConfig>(cfg);
   auto fuse_statis = GetFuseStatis(
       static_cast<AnalysisPredictor *>(predictor.get()), &num_ops);
-  ASSERT_TRUE(fuse_statis.count("fc_fuse"));
-  EXPECT_EQ(fuse_statis.at("fc_fuse"), 1);
+  LOG(INFO) << "num_ops: " << num_ops;
 }
 
 // Compare result of NativeConfig and AnalysisConfig

paddle/fluid/inference/tests/api/tester_helper.h

@@ -25,6 +25,7 @@
 #include "paddle/fluid/inference/api/analysis_predictor.h"
 #include "paddle/fluid/inference/api/helper.h"
 #include "paddle/fluid/inference/api/paddle_inference_pass.h"
+#include "paddle/fluid/inference/tests/test_helper.h"
 #include "paddle/fluid/platform/profiler.h"
 
 DEFINE_string(infer_model, "", "model path");
@@ -105,6 +106,34 @@ std::unordered_map<std::string, int> GetFuseStatis(PaddlePredictor *predictor,
   return fuse_statis;
 }
 
+void SetFakeImageInput(std::vector<std::vector<PaddleTensor>> *inputs,
+                       const std::string &dirname) {
+  // Set fake_image_data
+  PADDLE_ENFORCE_EQ(FLAGS_test_all_data, 0, "Only have single batch of data.");
+  std::vector<std::vector<int64_t>> feed_target_shapes =
+      GetFeedTargetShapes(dirname, true, "model", "params");
+  int dim1 = feed_target_shapes[0][1];
+  int dim2 = feed_target_shapes[0][2];
+  int dim3 = feed_target_shapes[0][3];
+
+  PaddleTensor input;
+  std::vector<int> shape({FLAGS_batch_size, dim1, dim2, dim3});
+  input.shape = shape;
+  input.dtype = PaddleDType::FLOAT32;
+
+  // fill input data, for profile easily, do not use random data here.
+  size_t size = FLAGS_batch_size * dim1 * dim2 * dim3;
+  input.data.Resize(size * sizeof(float));
+  float *input_data = static_cast<float *>(input.data.data());
+  for (size_t i = 0; i < size; i++) {
+    *(input_data + i) = static_cast<float>(i) / size;
+  }
+
+  std::vector<PaddleTensor> input_slots;
+  input_slots.assign({input});
+  (*inputs).emplace_back(input_slots);
+}
+
 void TestOneThreadPrediction(
     const AnalysisConfig &config,
     const std::vector<std::vector<PaddleTensor>> &inputs,

paddle/fluid/inference/tests/test_helper.h

@@ -18,7 +18,6 @@ limitations under the License. */
 #include <string>
 #include <vector>
 
-#include "paddle/fluid/framework/ir/graph_to_program_pass.h"
 #include "paddle/fluid/framework/lod_tensor.h"
 #include "paddle/fluid/inference/io.h"
 #include "paddle/fluid/platform/profiler.h"
@@ -94,15 +93,15 @@ void CheckError(const paddle::framework::LoDTensor& output1,
 
 std::unique_ptr<paddle::framework::ProgramDesc> InitProgram(
     paddle::framework::Executor* executor, paddle::framework::Scope* scope,
-    const std::string& dirname, const bool is_combined = false) {
+    const std::string& dirname, const bool is_combined = false,
+    const std::string& prog_filename = "__model_combined__",
+    const std::string& param_filename = "__params_combined__") {
   std::unique_ptr<paddle::framework::ProgramDesc> inference_program;
   if (is_combined) {
     // All parameters are saved in a single file.
     // Hard-coding the file names of program and parameters in unittest.
     // The file names should be consistent with that used in Python API
     //  `fluid.io.save_inference_model`.
-    std::string prog_filename = "__model_combined__";
-    std::string param_filename = "__params_combined__";
     inference_program =
         paddle::inference::Load(executor, scope, dirname + "/" + prog_filename,
                                 dirname + "/" + param_filename);
@@ -115,12 +114,15 @@ std::unique_ptr<paddle::framework::ProgramDesc> InitProgram(
 }
 
 std::vector<std::vector<int64_t>> GetFeedTargetShapes(
-    const std::string& dirname, const bool is_combined = false) {
+    const std::string& dirname, const bool is_combined = false,
+    const std::string& prog_filename = "__model_combined__",
+    const std::string& param_filename = "__params_combined__") {
   auto place = paddle::platform::CPUPlace();
   auto executor = paddle::framework::Executor(place);
   auto* scope = new paddle::framework::Scope();
 
-  auto inference_program = InitProgram(&executor, scope, dirname, is_combined);
+  auto inference_program = InitProgram(&executor, scope, dirname, is_combined,
+                                       prog_filename, param_filename);
   auto& global_block = inference_program->Block(0);
 
   const std::vector<std::string>& feed_target_names =
@@ -136,15 +138,6 @@ std::vector<std::vector<int64_t>> GetFeedTargetShapes(
   return feed_target_shapes;
 }
 
-void Compile(paddle::framework::ProgramDesc* program) {
-  std::unique_ptr<paddle::framework::ir::Graph> g(
-      new paddle::framework::ir::Graph(*program));
-  auto pass = paddle::framework::ir::PassRegistry::Instance().Get(
-      "graph_to_program_pass");
-  pass->SetNotOwned<paddle::framework::ProgramDesc>("program", program);
-  pass->Apply(std::move(g));
-}
-
 template <typename Place, bool CreateVars = true, bool PrepareContext = false>
 void TestInference(const std::string& dirname,
                    const std::vector<paddle::framework::LoDTensor*>& cpu_feeds,
@@ -182,7 +175,6 @@ void TestInference(const std::string& dirname,
         paddle::platform::DeviceContextPool::Instance().Get(place));
     inference_program = InitProgram(&executor, scope, dirname, is_combined);
   }
-  Compile(inference_program.get());
 
   // Disable the profiler and print the timing information
   paddle::platform::DisableProfiler(paddle::platform::EventSortingKey::kDefault,
@@ -261,5 +253,3 @@ void TestInference(const std::string& dirname,
 
   delete scope;
 }
-
-USE_PASS(graph_to_program_pass);

paddle/fluid/pybind/pybind.cc

@@ -742,7 +742,12 @@ All parameter, weight, gradient are variables in Paddle.
                        will clean up the temp variables at the end of the current iteration.
                     2. In some NLP model, it may cause the GPU memory is insufficient,
                        in this case, you should reduce `num_iteration_per_drop_scope`.
-              )DOC");
+              )DOC")
+      .def_property("_dry_run",
+                    [](const ExecutionStrategy &self) { return self.dry_run_; },
+                    [](ExecutionStrategy &self, bool dry_run) {
+                      self.dry_run_ = dry_run;
+                    });
 
   exec_strategy.def_property(
       "use_experimental_executor",

python/paddle/fluid/layers/io.py

@@ -60,7 +60,7 @@ def data(name,
             For example if shape=[1], the resulting shape is [-1, 1].
           2. If shape contains -1, such as shape=[1, -1],
             append_batch_size will be enforced to be be False (ineffective).
-       dtype(int|float): The type of data : float32, float_16, int etc
+       dtype(basestring): The type of data : float32, float_16, int etc
        type(VarType): The output type. By default it is LOD_TENSOR.
        lod_level(int): The LoD Level. 0 means the input data is not a sequence.
        stop_gradient(bool): A boolean that mentions whether gradient should flow.

python/paddle/fluid/tests/unittests/test_parallel_executor_dry_run.py

+# Copyright (c) 2018 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.
+
+import paddle.fluid as fluid
+import unittest
+import logging
+import six
+
+
+class TestBase(unittest.TestCase):
+    def main(self,
+             network_func,
+             iter=100,
+             iter_per_pe=100,
+             use_gpu=True,
+             use_experimental_executor=False):
+        if use_gpu and not fluid.core.is_compiled_with_cuda():
+            logging.warning(
+                "Paddle is not compiled with CUDA, skip GPU unittests")
+            return
+
+        main_prog = fluid.Program()
+        startup_prog = fluid.Program()
+        scope = fluid.Scope()
+        with fluid.program_guard(main_prog, startup_prog):
+            with fluid.scope_guard(scope):
+                loss = network_func()
+                fluid.Executor(
+                    fluid.CUDAPlace(0)
+                    if use_gpu else fluid.CPUPlace()).run(startup_prog)
+
+        for _ in six.moves.xrange(iter):
+            exe_strategy = fluid.ExecutionStrategy()
+            exe_strategy._dry_run = True
+            exe_strategy.use_experimental_executor = use_experimental_executor
+            pe = fluid.ParallelExecutor(
+                use_cuda=True,
+                loss_name=loss.name,
+                main_program=main_prog,
+                exec_strategy=exe_strategy)
+            for _ in six.moves.xrange(iter_per_pe):
+                pe.run([])
+
+
+class TestMNISTDryRun(TestBase):
+    def test_mnist_dry_run(self):
+        for use_gpu in (False, True):
+            for use_experimental_executor in (False, True):
+                self.main(
+                    network_func=TestMNISTDryRun.network_func,
+                    use_gpu=use_gpu,
+                    use_experimental_executor=use_experimental_executor)
+
+    @staticmethod
+    def network_func():
+        img = fluid.layers.data(name='img', shape=[784], dtype='float32')
+        label = fluid.layers.data(name='label', shape=[1], dtype='int64')
+        hidden = img
+        for _ in six.moves.xrange(10):
+            hidden = fluid.layers.fc(input=img, size=200, act='tanh')
+        prediction = fluid.layers.fc(input=hidden, size=10, act='softmax')
+        loss = fluid.layers.cross_entropy(input=prediction, label=label)
+        avg_loss = fluid.layers.mean(loss)
+        fluid.optimizer.Adam().minimize(avg_loss)
+        return avg_loss
+
+
+if __name__ == '__main__':
+    unittest.main()

python/paddle/fluid/tests/unittests/test_parallel_executor_mnist.py

@@ -14,30 +14,18 @@
 
 from __future__ import print_function
 
-from parallel_executor_test_base import TestParallelExecutorBase
-import paddle.fluid as fluid
-import paddle.fluid.core as core
-import numpy as np
-import paddle
-import paddle.dataset.mnist as mnist
 import unittest
-import os
 
-MNIST_RECORDIO_FILE = "./mnist_test_pe.recordio"
+import numpy as np
+import paddle.fluid.core as core
+import os
+import paddle.fluid as fluid
+from parallel_executor_test_base import TestParallelExecutorBase
 
 
 def simple_fc_net(use_feed):
-    if use_feed:
-        img = fluid.layers.data(name='image', shape=[784], dtype='float32')
-        label = fluid.layers.data(name='label', shape=[1], dtype='int64')
-    else:
-        reader = fluid.layers.open_files(
-            filenames=[MNIST_RECORDIO_FILE],
-            shapes=[[-1, 784], [-1, 1]],
-            lod_levels=[0, 0],
-            dtypes=['float32', 'int64'])
-        reader = fluid.layers.io.double_buffer(reader)
-        img, label = fluid.layers.read_file(reader)
+    img = fluid.layers.data(name='image', shape=[784], dtype='float32')
+    label = fluid.layers.data(name='label', shape=[1], dtype='int64')
     hidden = img
     for _ in range(4):
         hidden = fluid.layers.fc(
@@ -53,17 +41,8 @@ def simple_fc_net(use_feed):
 
 
 def fc_with_batchnorm(use_feed):
-    if use_feed:
-        img = fluid.layers.data(name='image', shape=[784], dtype='float32')
-        label = fluid.layers.data(name='label', shape=[1], dtype='int64')
-    else:
-        reader = fluid.layers.open_files(
-            filenames=[MNIST_RECORDIO_FILE],
-            shapes=[[-1, 784], [-1, 1]],
-            lod_levels=[0, 0],
-            dtypes=['float32', 'int64'])
-        reader = fluid.layers.io.double_buffer(reader)
-        img, label = fluid.layers.read_file(reader)
+    img = fluid.layers.data(name='image', shape=[784], dtype='float32')
+    label = fluid.layers.data(name='label', shape=[1], dtype='int64')
 
     hidden = img
     for _ in range(1):
@@ -88,19 +67,6 @@ class TestMNIST(TestParallelExecutorBase):
     @classmethod
     def setUpClass(cls):
         os.environ['CPU_NUM'] = str(4)
-        # Convert mnist to recordio file
-        with fluid.program_guard(fluid.Program(), fluid.Program()):
-            reader = paddle.batch(mnist.train(), batch_size=4)
-            feeder = fluid.DataFeeder(
-                feed_list=[  # order is image and label
-                    fluid.layers.data(
-                        name='image', shape=[784]),
-                    fluid.layers.data(
-                        name='label', shape=[1], dtype='int64'),
-                ],
-                place=fluid.CPUPlace())
-            fluid.recordio_writer.convert_reader_to_recordio_file(
-                MNIST_RECORDIO_FILE, reader, feeder)
 
     def _init_data(self):
         np.random.seed(5)
@@ -111,10 +77,6 @@ class TestMNIST(TestParallelExecutorBase):
     def _compare_reduce_and_allreduce(self, model, use_cuda):
         if use_cuda and not core.is_compiled_with_cuda():
             return
-        self.check_network_convergence(
-            model, use_cuda=use_cuda, use_reduce=True)
-        self.check_network_convergence(
-            model, use_cuda=use_cuda, allow_op_delay=True, use_reduce=True)
 
         img, label = self._init_data()
 
@@ -140,9 +102,6 @@ class TestMNIST(TestParallelExecutorBase):
     def check_simple_fc_convergence(self, use_cuda, use_reduce=False):
         if use_cuda and not core.is_compiled_with_cuda():
             return
-        self.check_network_convergence(simple_fc_net, use_cuda=use_cuda)
-        self.check_network_convergence(
-            simple_fc_net, use_cuda=use_cuda, allow_op_delay=True)
 
         img, label = self._init_data()
 
@@ -199,8 +158,6 @@ class TestMNIST(TestParallelExecutorBase):
         if use_cuda and not core.is_compiled_with_cuda():
             return
 
-        self.check_network_convergence(fc_with_batchnorm, use_cuda=use_cuda)
-
         img, label = self._init_data()
 
         self.check_network_convergence(

python/setup.py.in

@@ -14,7 +14,8 @@ RC      = 0
 def git_commit():
     try:
         cmd = ['git', 'rev-parse', 'HEAD']
-        git_commit = subprocess.Popen(cmd, stdout = subprocess.PIPE).communicate()[0].strip()
+        git_commit = subprocess.Popen(cmd, stdout = subprocess.PIPE,
+            cwd="@PADDLE_SOURCE_DIR@").communicate()[0].strip()
     except:
         git_commit = 'Unknown'
     git_commit = git_commit.decode()
@@ -44,7 +45,7 @@ def get_patch():
 def is_taged():
     try:
         cmd = ['git', 'describe', '--exact-match', '--tags', 'HEAD', '2>/dev/null']
-        git_tag = subprocess.Popen(cmd, stdout = subprocess.PIPE).communicate()[0].strip()
+        git_tag = subprocess.Popen(cmd, stdout = subprocess.PIPE, cwd="@PADDLE_SOURCE_DIR@").communicate()[0].strip()
         git_tag = git_tag.decode()
     except:
         return False
@@ -55,8 +56,7 @@ def is_taged():
         return False
 
 def write_version_py(filename='paddle/version.py'):
-    cnt = '''
-# THIS FILE IS GENERATED FROM PADDLEPADDLE SETUP.PY
+    cnt = '''# THIS FILE IS GENERATED FROM PADDLEPADDLE SETUP.PY
 #
 full_version    = '%(major)d.%(minor)d.%(patch)s'
 major           = '%(major)d'