In-block (same-level) directed edges
Layer 2 · PCFG toy 4L d_model=448 / pcfg · matryoshka_hook_resid_post_L2 · 1,792 latents in 8 blocks · 646,000 tokens over 2000 docs · edge: reverse coverage ≥ 0.5, both endpoints fire ≥ 20
Parent→child within a block (asymmetric containment); co-extensive pairs are reported as duplicates (renames/splits), never edges.
Block B0 (224 features)
- 99 directed edges, 32 duplicate pairs, 99 survive PMI>0; PolyFrac 82%, Gini 0.959.
- S_res: 3/99 edges are genuine refinements (0 children untestable).
| parent → child |
R |
PMI |
parent label |
child label |
| 68 → 70 |
1.00 |
1.47 |
feature 68 |
feature 70 |
| 11 → 70 |
1.00 |
1.46 |
feature 11 |
feature 70 |
| 11 → 177 |
1.00 |
1.45 |
feature 11 |
feature 177 |
| 68 → 177 |
0.99 |
1.47 |
feature 68 |
feature 177 |
| 169 → 138 |
0.99 |
1.43 |
feature 169 |
feature 138 |
| 11 → 112 |
0.99 |
1.45 |
feature 11 |
feature 112 |
| 68 → 112 |
0.99 |
1.46 |
feature 68 |
feature 112 |
| 11 → 5 |
0.99 |
1.45 |
feature 11 |
feature 5 |
Duplicate pairs (rename/split candidates): 2≈7 (feature 2); 2≈15 (feature 2); 2≈18 (feature 2); 2≈85 (feature 2); 2≈88 (feature 2); 2≈151 (feature 2)
Block B1 (224 features)
- 1 directed edges, 0 duplicate pairs, 1 survive PMI>0; PolyFrac 0%, Gini 0.996.
- S_res: 0/1 edges are genuine refinements (0 children untestable).
| parent → child |
R |
PMI |
parent label |
child label |
| 381 → 288 |
0.52 |
1.86 |
feature 381 |
feature 288 |
Block B2 (224 features)
- 1 directed edges, 0 duplicate pairs, 1 survive PMI>0; PolyFrac 0%, Gini 0.996.
- S_res: 1/1 edges are genuine refinements (0 children untestable).
| parent → child |
R |
PMI |
parent label |
child label |
| 569 → 522 |
0.66 |
2.14 |
feature 569 |
feature 522 |
Block B3 (224 features)
- 0 directed edges, 0 duplicate pairs, 0 survive PMI>0; PolyFrac 0%, Gini 0.000.
Block B4 (224 features)
- 0 directed edges, 0 duplicate pairs, 0 survive PMI>0; PolyFrac 0%, Gini 0.000.
Block B5 (224 features)
- 1 directed edges, 0 duplicate pairs, 1 survive PMI>0; PolyFrac 0%, Gini 0.996.
- S_res: 1/1 edges are genuine refinements (0 children untestable).
| parent → child |
R |
PMI |
parent label |
child label |
| 1286 → 1292 |
0.83 |
4.19 |
feature 1286 |
feature 1292 |
Block B6 (224 features)
- 0 directed edges, 0 duplicate pairs, 0 survive PMI>0; PolyFrac 0%, Gini 0.000.
Block B7 (224 features)
- 0 directed edges, 0 duplicate pairs, 0 survive PMI>0; PolyFrac 0%, Gini 0.000.