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 · 598,000 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)
- 73 directed edges, 17 duplicate pairs, 73 survive PMI>0; PolyFrac 82%, Gini 0.950.
- S_res: 2/73 edges are genuine refinements (0 children untestable).
| parent → child |
R |
PMI |
parent label |
child label |
| 85 → 134 |
1.00 |
4.05 |
feature 85 |
feature 134 |
| 30 → 153 |
1.00 |
1.38 |
feature 30 |
feature 153 |
| 22 → 153 |
1.00 |
1.37 |
feature 22 |
feature 153 |
| 25 → 153 |
1.00 |
1.37 |
feature 25 |
feature 153 |
| 42 → 134 |
1.00 |
4.63 |
feature 42 |
feature 134 |
| 25 → 119 |
0.99 |
1.36 |
feature 25 |
feature 119 |
| 30 → 119 |
0.99 |
1.37 |
feature 30 |
feature 119 |
| 22 → 119 |
0.99 |
1.36 |
feature 22 |
feature 119 |
Duplicate pairs (rename/split candidates): 3≈22 (feature 3); 3≈25 (feature 3); 3≈30 (feature 3); 3≈168 (feature 3); 3≈213 (feature 3); 22≈25 (feature 22)
Block B1 (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 |
| 288 → 284 |
0.55 |
1.71 |
feature 288 |
feature 284 |
Block B2 (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 |
| 491 → 502 |
0.93 |
3.93 |
feature 491 |
feature 502 |
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)
- 0 directed edges, 0 duplicate pairs, 0 survive PMI>0; PolyFrac 0%, Gini 0.000.
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.