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⚡️ Speed up function get_zero_positions by 15% #61

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⚡️ Speed up function get_zero_positions by 15% #61

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59 changes: 33 additions & 26 deletions graphrag/index/operations/layout_graph/zero.py
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Original file line number Diff line number Diff line change
Expand Up @@ -67,30 +67,37 @@ def get_zero_positions(
three_d: bool | None = False,
) -> list[NodePosition]:
"""Project embedding vectors down to 2D/3D using UMAP."""
embedding_position_data: list[NodePosition] = []
for index, node_name in enumerate(node_labels):
node_category = 1 if node_categories is None else node_categories[index]
node_size = 1 if node_sizes is None else node_sizes[index]

if not three_d:
embedding_position_data.append(
NodePosition(
label=str(node_name),
x=0,
y=0,
cluster=str(int(node_category)),
size=int(node_size),
)
)
else:
embedding_position_data.append(
NodePosition(
label=str(node_name),
x=0,
y=0,
z=0,
cluster=str(int(node_category)),
size=int(node_size),
)
n = len(node_labels)

if node_categories is None:
category_values = ["1"] * n
else:
category_values = [str(int(cat)) for cat in node_categories]

if node_sizes is None:
size_values = [1] * n
else:
size_values = [int(sz) for sz in node_sizes]

if not three_d:
return [
NodePosition(
label=str(node_labels[i]),
x=0,
y=0,
cluster=category_values[i],
size=size_values[i],
)
return embedding_position_data
for i in range(n)
]
return [
NodePosition(
label=str(node_labels[i]),
x=0,
y=0,
z=0,
cluster=category_values[i],
size=size_values[i],
)
for i in range(n)
]