Fix attention score on mps

modeling_chatglm.py

@@ -280,10 +280,8 @@ def attention_fn(
     # [sk, b, np, hn] -> [sk, b * np, hn]
     key_layer = key_layer.view(output_size[3], output_size[0] * output_size[1], -1)
 
-    matmul_result = torch.empty(
-        output_size[0] * output_size[1],
-        output_size[2],
-        output_size[3],
+    matmul_result = torch.zeros(
+        1, 1, 1,
         dtype=query_layer.dtype,
         device=query_layer.device,
     )