Release context in execute end.

ge/hybrid/executor/hybrid_model_executor.cc

@@ -125,6 +125,7 @@ Status HybridModelExecutor::ExecuteGraphInternal(HybridModelExecutor::ExecuteArg
   args.outputs.clear();
   HYBRID_CHK_STATUS_RET(root_graph_executor_->GetOutputs(args.outputs, args.output_desc), "Failed to get outputs");
   RECORD_MODEL_EXECUTION_EVENT(&context_, "[GetOutput] End");
+  root_graph_executor_->ResetContext();
   return SUCCESS;
 }
 

ge/hybrid/executor/subgraph_executor.h

@@ -41,6 +41,8 @@ class SubgraphExecutor {
 
   Status PartialExecuteAsync(int task_group);
 
+  void ResetContext() { subgraph_context_.release(); }
+
   /**
    * Execute subgraph async, output tensor address(not data) and output tensor descriptions are
    * valid after this method returned