optimize code

Author: jacquesqiao

paddle/fluid/CMakeLists.txt

@@ -6,4 +6,4 @@ add_subdirectory(pybind)
 add_subdirectory(string)
 add_subdirectory(recordio)
 # NOTE: please add subdirectory inference at last.
-add_subdirectory(inference)
+#add_subdirectory(inference)

paddle/fluid/framework/operator.cc

@@ -137,11 +137,7 @@ void OperatorBase::Run(const Scope& scope, const platform::Place& place) {
 #endif
   }
   platform::DeviceContextPool& pool = platform::DeviceContextPool::Instance();
-  auto* dev_ctx = pool.Get(place);
-
-  // For profiling, don't move out of this function because that will result
-  // in the failure of multi-GPU profiling.
-  platform::RecordEvent record_event(Type(), dev_ctx);
+  platform::RecordEvent record_event(Type(), pool.Get(place));
   RunImpl(scope, place);
   VLOG(10) << "+ " << DebugStringEx(&scope);
 }