Support internlm 2.5 (#14)

Author: pdx1989

lmdeploy/pytorch/kernels/ascend/apply_rotary_pos_emb.py

@@ -19,8 +19,15 @@ def apply_rotary_pos_emb(
     query_states_reshaped = query_states.reshape(1, bs, head, dim)
     key_states_reshaped = key_states.reshape(1, bs, num_kv_heads, dim)
     if not (hasattr(context, 'cos') or hasattr(context, 'sin')):
-        cos = cos[position_ids_1d].view(1, bs, 1, -1)
-        sin = sin[position_ids_1d].view(1, bs, 1, -1)
+        if len(cos.shape) == 3 and len(sin.shape) == 3:
+            cos = cos[:, position_ids_1d].view(1, bs, 1, -1)
+            sin = sin[:, position_ids_1d].view(1, bs, 1, -1)
+        elif len(cos.shape) == 2 and len(sin.shape) == 2:
+            cos = cos[position_ids_1d].view(1, bs, 1, -1)
+            sin = sin[position_ids_1d].view(1, bs, 1, -1)
+        else:
+            raise RuntimeError("Cannot handle cos/sin shape dims!")
+
         if context:
             setattr(context, 'cos', cos)
             setattr(context, 'sin', sin)