Remove clone ops

backends/openvino/partitioner.py

@@ -34,6 +34,9 @@ def __init__(self):
 
 
 class OpenvinoOperatorsSupport(OperatorSupportBase):
+    extended_support_dict = {
+        "torch.ops.dim_order_ops._clone_dim_order.default": None,
+    }
 
     def __init__(
         self,
@@ -77,7 +80,9 @@ def is_node_supported(self, _, node: torch.fx.Node) -> bool:
         if node.name in self._enabled_ops_by_name:
             return True
 
-        supported_ops = OperatorSupport(options)._support_dict
+        supported_ops = (
+            OperatorSupport(options)._support_dict | self.extended_support_dict
+        )
         if op_type == "getitem":
             return True
 

backends/openvino/preprocess.py

@@ -8,6 +8,7 @@
 
 from typing import final, List
 
+from executorch.backends.transforms.remove_clone_ops import RemoveCloneOpsTransform
 from executorch.exir.backend.backend_details import (
     BackendDetails,
     ExportedProgram,
@@ -36,6 +37,13 @@ def preprocess(
         Returns:
             PreprocessResult: The result of preprocessing, including the compiled model bytes.
         """
+        # Apply RemoveCloneOpsTransform to eliminate unnecessary clone operations
+        transformed_ep = RemoveCloneOpsTransform()(edge_program.graph_module)
+
+        # Update the edge_program with the transformed graph
+        if transformed_ep and transformed_ep.graph_module:
+            edge_program._graph_module = transformed_ep.graph_module
+
         input_names = edge_program.graph_signature.user_inputs
         args = []
         for node in edge_program.graph.nodes: