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Skip redundant recompile in identical-input transform fusion (#22217) #22217

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Skip redundant recompile in identical-input transform fusion (#22217) #22217

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1 change: 1 addition & 0 deletions backends/arm/_passes/fuse_identical_input_transforms_pass.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,3 +25,4 @@ class FuseIdenticalInputTransformsPass(

# Both bases declare this; restate it once so the two agree.
target_ops: set[Any] = _FuseIdenticalInputTransformsPass.target_ops
_recompile_before_retrace = False
4 changes: 3 additions & 1 deletion backends/transforms/fuse_identical_input_transforms_pass.py
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Expand Up @@ -152,6 +152,7 @@ class FuseIdenticalInputTransformsPass(ExportPass):
_ELEMENTWISE_OPS = _BINARY_ELEMENTWISE_OPS | _NARY_ELEMENTWISE_OPS

target_ops = _ELEMENTWISE_OPS | _CONCAT_OPS
_recompile_before_retrace = True

def __init__(self, exported_program: ExportedProgram | None = None) -> None:
super().__init__()
Expand Down Expand Up @@ -179,7 +180,8 @@ def call(self, graph_module: GraphModule) -> PassResult:
if modified:
graph_module.graph.eliminate_dead_code()
graph_module.graph.lint()
graph_module.recompile()
if self._recompile_before_retrace:
graph_module.recompile()
graph_module = super().call(graph_module).graph_module

return PassResult(graph_module, modified)
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