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)
- 66 directed edges, 4 duplicate pairs, 66 survive PMI>0; PolyFrac 20%, Gini 0.977.
- S_res: 0/66 edges are genuine refinements (0 children untestable).
| parent → child |
R |
PMI |
parent label |
child label |
| 167 → 221 |
1.00 |
2.02 |
feature 167 |
feature 221 |
| 167 → 188 |
0.98 |
2.01 |
feature 167 |
feature 188 |
| 99 → 217 |
0.98 |
1.42 |
feature 99 |
feature 217 |
| 57 → 144 |
0.98 |
1.80 |
feature 57 |
feature 144 |
| 167 → 40 |
0.90 |
1.91 |
feature 167 |
feature 40 |
| 167 → 120 |
0.89 |
1.91 |
feature 167 |
feature 120 |
| 223 → 51 |
0.88 |
0.85 |
feature 223 |
feature 51 |
| 167 → 173 |
0.84 |
1.85 |
feature 167 |
feature 173 |
Duplicate pairs (rename/split candidates): 13≈100 (feature 13); 13≈184 (feature 13); 25≈100 (feature 25); 173≈188 (feature 173)
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 |
| 318 → 247 |
0.82 |
3.10 |
feature 318 |
feature 247 |
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 |
| 590 → 553 |
0.57 |
1.85 |
feature 590 |
feature 553 |
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.