diff --git a/llm/predictor.py b/llm/predictor.py
index a0c5cc05aade..f8f39577cfb6 100644
--- a/llm/predictor.py
+++ b/llm/predictor.py
@@ -1092,6 +1092,8 @@ def _create_predictor(self, predictor_args: PredictorArgument):
             xpu_config.l3_size = 63 * 1024 * 1024
             xpu_config.l3_autotune_size = 63 * 1024 * 1024
             config.set_xpu_config(xpu_config)
+            config.switch_ir_optim(True)
+            config.enable_memory_optim()
         else:
             device_id = int(os.environ.get("FLAGS_selected_gpus", 0))
             config.enable_use_gpu(100, device_id)