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Avoid per-node GraphModule retracing in view/permute propagation (#22066) #22066

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Avoid per-node GraphModule retracing in view/permute propagation (#22066) #22066

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16 changes: 9 additions & 7 deletions backends/arm/_passes/propagate_view_copy_permute_pass.py
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Original file line number Diff line number Diff line change
Expand Up @@ -108,16 +108,18 @@ def call(self, graph_module: torch.fx.GraphModule) -> PassResult:
continue
if self._propagate(node):
iteration_modified = True
break

if iteration_modified:
modified = True
graph_module = self._retrace(graph_module)
result = self.fuse_horizontal(graph_module)
graph_module = result.graph_module
iteration_modified |= result.modified
result = self.fuse_vertical(graph_module)
graph_module = result.graph_module
iteration_modified |= result.modified
continue

result = self.fuse_horizontal(graph_module)
graph_module = result.graph_module
iteration_modified |= result.modified
result = self.fuse_vertical(graph_module)
graph_module = result.graph_module
iteration_modified |= result.modified

modified |= iteration_modified
if not iteration_modified:
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