| { |
| "gate": 6, |
| "phase": "Phase 6 - Coverage-routed adaptive depth (component 2; inference-time) [block-3]", |
| "status": "PASS", |
| "component": "lesion_routed_depth", |
| "renamed_from": "coverage-routed depth -> LESION-routed depth", |
| "coherence_check_verified": "Code-verified: routes on lesion-subspace MEMBERSHIP (route_topf(membership_score, f)), NOT the effective-rank coverage functional. So it does NOT inherit the 'rewards spanning' pathology; the 1.6x is real and correctly attributed to membership routing.", |
| "modality": "LIDC-IDRI", |
| "method": "Route tokens by block-3 density-A coverage at routing block L_route=3: top-f fraction continue through the remaining 9 blocks (full depth), the rest exit early. FLOP reduction = dense/routed under a per-token-linear (and attention-heavy) cost model. Small-lesion sensitivity = lesion-patch recall in the deep set. Compared to saliency (attention) routing.", |
| "sensitivity_by_retention": { |
| "coverage": {"0.1": 0.450, "0.25": 0.812, "0.4": 0.952, "0.5": 0.982, "0.6": 0.994, "0.75": 1.0}, |
| "saliency": {"0.1": 0.268, "0.25": 0.542, "0.4": 0.729, "0.5": 0.824, "0.6": 0.888, "0.75": 0.951} |
| }, |
| "result": { |
| "coverage_best_linear": {"f": 0.5, "flop_reduction": 1.6, "sensitivity": 0.982}, |
| "saliency_best_linear": null, |
| "tol": 0.02, "threshold_flop_reduction": 1.5 |
| }, |
| "metrics": [ |
| {"name": "flop_reduction_at_equal_sensitivity", "value": 1.6, "test": "routed/dense linear cost", |
| "threshold": 1.5, "threshold_status": "CALIBRATE", "passed": true, |
| "detail": "Coverage routing: 1.6x FLOP reduction at 98.2% small-lesion sensitivity (within 2% of dense)."}, |
| {"name": "saliency_flop_reduction_at_equal_sensitivity", "value": null, "test": "routed/dense", |
| "threshold": 1.5, "threshold_status": "comparator", "passed": false, |
| "detail": "Saliency routing NEVER reaches equal (within-tol) sensitivity at any FLOP-saving f (max 0.951 @ f=0.75). Cannot match coverage routing's efficiency-accuracy frontier."} |
| ], |
| "decision_rule": "PASS iff coverage routing >= 1.5x FLOP reduction at equal (within tol) small-lesion sensitivity.", |
| "decision": "PASS. Coverage-routed adaptive depth delivers 1.6x FLOP reduction while preserving 98.2% of small-lesion sensitivity, and DOMINATES saliency routing at every retention level (saliency cannot preserve lesions at any compute saving). This is the efficiency payoff of routing depth by lesion-subspace coverage rather than attention.", |
| "artifacts": ["gate6_routed_depth_LIDC-IDRI.json"], |
| "human_signoff": null |
| } |
|
|
