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⚡️ Speed up function map_graph by 146% #222

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⚡️ Speed up function map_graph by 146% #222

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8 changes: 6 additions & 2 deletions keras/src/ops/function.py
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Original file line number Diff line number Diff line change
Expand Up @@ -359,10 +359,14 @@ def map_graph(inputs, outputs):
# Ensure name unicity, which will be crucial for serialization
# (since serialized nodes refer to operations by their name).
all_names = [operation.name for operation in operations]
name_counts = {}
for name in all_names:
if all_names.count(name) != 1:
name_counts[name] = name_counts.get(name, 0) + 1

for name, count in name_counts.items():
if count != 1:
raise ValueError(
f'The name "{name}" is used {all_names.count(name)} '
f'The name "{name}" is used {count} '
"times in the model. All operation names should be unique."
)
return network_nodes, nodes_by_depth, operations, operations_by_depth
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