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Add vocab sphere with attn layers #867

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951bf72
Add QK attention projection functions
klei22 Jul 23, 2026
acf623f
Add layer helper vector functions
klei22 Jul 23, 2026
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14 changes: 10 additions & 4 deletions report/threejs/hf-vocab-sphere/app/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,6 @@
from pathlib import Path

import numpy as np

from fastapi import FastAPI, HTTPException, Query
from fastapi.responses import HTMLResponse
from fastapi.staticfiles import StaticFiles
Expand All @@ -19,12 +18,13 @@
list_local_models,
load_model,
model_status,
model_vector_function,
nearest_neighbors,
search_tokens,
tokenize_text,
selected_token_rows,
selected_vectors,
token_record,
tokenize_text,
unload_model,
)
from .projections import nearest_neighbor_edges, project_vectors, projection_catalog
Expand All @@ -47,7 +47,7 @@
TokenSearchResponse,
TokenWindowResponse,
)
from .vector_math import VectorExpressionResult, alias_for_index, evaluate_vector_expressions
from .vector_math import VectorExpressionResult, alias_for_index, evaluate_vector_expressions, vector_dimension_metrics

BASE_DIR = Path(__file__).resolve().parent
INDEX_PATH = BASE_DIR / "templates" / "index.html"
Expand Down Expand Up @@ -237,7 +237,11 @@ def _prepare_projection_selection(
requested_ids.insert(0, anchor_id)
ids, base_vectors = selected_vectors(assets, requested_ids)
anchor_index = ids.index(anchor_id) if anchor_id is not None else None
resultants = evaluate_vector_expressions(base_vectors, arithmetic_expressions or [])
resultants = evaluate_vector_expressions(
base_vectors,
arithmetic_expressions or [],
model_function=lambda name, args: model_vector_function(assets, name, args),
)
if resultants:
vectors = np.vstack([base_vectors, *(item.vector[None, :] for item in resultants)])
else:
Expand All @@ -262,6 +266,7 @@ def _projection_rows(
"kind": "token",
"alias": alias_for_index(index),
"label": row["display"],
**vector_dimension_metrics(base_vectors[index]),
"expression": None,
"referenced_aliases": [],
}
Expand All @@ -283,6 +288,7 @@ def _projection_rows(
"special": False,
"present_in_tokenizer": False,
"magnitude": item.magnitude,
**vector_dimension_metrics(item.vector),
"rank": None,
"cosine_similarity": None,
"angle_deg": None,
Expand Down
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