diff --git a/python/llm/src/bigdl/llm/transformers/convert.py b/python/llm/src/bigdl/llm/transformers/convert.py
index 1801cc64..bf579e45 100644
--- a/python/llm/src/bigdl/llm/transformers/convert.py
+++ b/python/llm/src/bigdl/llm/transformers/convert.py
@@ -955,4 +955,14 @@ def _optimize_post(model, lightweight_bmm=False):
         convert_forward(model,
                         module.RwkvSelfAttention,
                         rwkv_attention_forward)
+    elif model.config.model_type == "gpt_bigcode":
+        # starcoder
+        modeling_module_name = model.__class__.__module__
+        module = importlib.import_module(modeling_module_name)
+        from bigdl.llm.transformers.models.gptbigcode import _attn_wrapper
+        _attn = _attn_wrapper(module.GPTBigCodeAttention._attn)
+        replace_func(model,
+                     module.GPTBigCodeAttention,
+                     "_attn",
+                     _attn)
     return model
diff --git a/python/llm/src/bigdl/llm/transformers/models/gptbigcode.py b/python/llm/src/bigdl/llm/transformers/models/gptbigcode.py
new file mode 100644
index 00000000..600fbc1d
--- /dev/null
+++ b/python/llm/src/bigdl/llm/transformers/models/gptbigcode.py
@@ -0,0 +1,29 @@
+#
+# Copyright 2016 The BigDL Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+
+def _attn_wrapper(origin_attn):
+    def _attn(self, query, key, value, attention_mask=None, head_mask=None):
+        attn_output, attn_weights = origin_attn(self,
+                                                query=query,
+                                                key=key,
+                                                value=value,
+                                                attention_mask=attention_mask,
+                                                head_mask=head_mask)
+        if query.device.type == 'xpu' and 1 < query.numel() // query.size(-1) <= 64:
+            attn_output = attn_output.clone()
+        return attn_output, attn_weights
+    return _attn
diff --git a/python/llm/src/bigdl/llm/transformers/models/utils.py b/python/llm/src/bigdl/llm/transformers/models/utils.py
index ca49bb8d..2b910cdc 100644
--- a/python/llm/src/bigdl/llm/transformers/models/utils.py
+++ b/python/llm/src/bigdl/llm/transformers/models/utils.py
@@ -310,6 +310,6 @@ def use_fused_layer_norm(x: torch.Tensor, training: bool):
         and x.device.type == 'xpu'
         and (
             get_xpu_device_type(x) not in ["arc", "flex"]
-            or x.reshape(-1, x.size(-1)).size(0) == 1
+            or x.numel() // x.size(-1) == 1
         )
     )