change buildcpu into prebuild and buildcpu into build;test=develop

Author: danleifeng

paddle/fluid/framework/fleet/ps_gpu_wrapper.cc

@@ -50,12 +50,6 @@ void PSGPUWrapper::PreBuildTask(std::shared_ptr<HeterContext> gpu_task) {
  auto& local_ptr = gpu_task->value_ptr_;
 
  std::vector<std::thread> threads;
-#ifdef PADDLE_WITH_PSLIB
- auto fleet_ptr = FleetWrapper::GetInstance();
-#endif
-#ifdef PADDLE_WITH_PSCORE
- auto fleet_ptr = paddle::distributed::Communicator::GetInstance();
-#endif
 
  // data should be in input channel
  thread_keys_.resize(thread_keys_thread_num_);
@@ -177,18 +171,6 @@ void PSGPUWrapper::PreBuildTask(std::shared_ptr<HeterContext> gpu_task) {
  VLOG(3) << "GpuPs shard: " << i << " key len: " << local_keys[i].size();
  local_ptr[i].resize(local_keys[i].size());
  }
-
-#ifdef PADDLE_WITH_PSLIB
- // get day_id: day nums from 1970
- struct std::tm b;
- b.tm_year = year_ - 1900;
- b.tm_mon = month_ - 1;
- b.tm_mday = day_;
- b.tm_min = b.tm_hour = b.tm_sec = 0;
- std::time_t seconds_from_1970 = std::mktime(&b);
- int day_id = seconds_from_1970 / 86400;
- fleet_ptr->pslib_ptr_->_worker_ptr->set_day_id(table_id_, day_id);
-#endif
 }
 
 void PSGPUWrapper::BuildPull(std::shared_ptr<HeterContext> gpu_task) {
@@ -208,6 +190,19 @@ void PSGPUWrapper::BuildPull(std::shared_ptr<HeterContext> gpu_task) {
 #ifdef PADDLE_WITH_PSCORE
  auto fleet_ptr = paddle::distributed::Communicator::GetInstance();
 #endif
+
+#ifdef PADDLE_WITH_PSLIB
+ // get day_id: day nums from 1970
+ struct std::tm b;
+ b.tm_year = year_ - 1900;
+ b.tm_mon = month_ - 1;
+ b.tm_mday = day_;
+ b.tm_min = b.tm_hour = b.tm_sec = 0;
+ std::time_t seconds_from_1970 = std::mktime(&b);
+ int day_id = seconds_from_1970 / 86400;
+ fleet_ptr->pslib_ptr_->_worker_ptr->set_day_id(table_id_, day_id);
+#endif
+
  timeline.Start();
  auto ptl_func = [this, &local_keys, &local_ptr, &fleet_ptr](int i) {
  size_t key_size = local_keys[i].size();