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[Bug Fix] Fix SymInt issue in subgraph decomposition #506

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Merged
lixinqi merged 3 commits into from
Dec 29, 2025
Merged

[Bug Fix] Fix SymInt issue in subgraph decomposition #506

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899ba8e
fix
fangfangssj Dec 28, 2025
92a7046
Merge branch 'develop' into fix_bug
fangfangssj Dec 28, 2025
e9748f6
Add blank line for improved readability
fangfangssj Dec 28, 2025
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20 changes: 8 additions & 12 deletions graph_net/torch/fx_graph_parse_util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -174,18 +174,14 @@ def get_diff_input_names():
if name not in placeholder_names
]

if len(inputs) == len(traced_sample_inputs) + 1:
diff_input_names = get_diff_input_names()
assert len(diff_input_names) == 1, f"{diff_input_names=}"
pos, name = diff_input_names[0]
for i, node in enumerate(traced_module.graph.nodes):
if i < pos:
assert node.op == "placeholder"
elif i == pos:
with traced_module.graph.inserting_before(node):
traced_module.graph.placeholder(name)
else:
break
diff_input_names = get_diff_input_names()
if len(diff_input_names) > 0:
first_node = next(iter(traced_module.graph.nodes))

with traced_module.graph.inserting_before(first_node):
for _, name in diff_input_names:
traced_module.graph.placeholder(name)

traced_module.recompile()

def get_zip_filter_names():
Expand Down