no session.

ge/single_op/task/aicpu_task_builder.cc

@@ -139,12 +139,7 @@ namespace ge {
     GE_CHK_STATUS_RET(task.InitForSummaryAndCopy(), "AiCpuTask init for summary and copy task failed.");
 
     // Create session
-    fwk_op_kernel.fwkKernelBase.fwk_kernel.sessionID = session_id;
-    GELOGI("Begin to CreateAicpuSession, session id: %lu", session_id);
-    GE_CHECK_NOTNULL(ModelManager::GetInstance());
-    GE_IF_BOOL_EXEC(ModelManager::GetInstance()->CreateAicpuSession(session_id) != SUCCESS,
-      GELOGE(FAILED, "CreateAicpuSession error. session id: %lu", session_id);
-      return FAILED;)
+    fwk_op_kernel.fwkKernelBase.fwk_kernel.sessionID = ULLONG_MAX;
     ret = SetKernelArgs(&task.args_, fwk_op_kernel);
     if (ret != SUCCESS) {
       return ret;