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diff --git a/scripts/README.md b/scripts/README.md index f24c117..42633d0 100644 --- a/scripts/README.md +++ b/scripts/README.md @@ -111,3 +111,25 @@ and: \] Outputs are written under `outputs/functional_capacity_overlap/`. + +## Synthetic MLP FA/BP Trajectories + +Run: + +```bash +python scripts/trajectory_mlp_fa.py --samples 128 --hidden-widths 24 24 --steps 80 --lr 0.02 --eval-every 10 --feedback-runs 3 --data-seed 3 --init-seed 4 --feedback-seed-start 50 --plot +``` + +This trains one BP baseline and several FA runs from the same initial weights on +a synthetic regression task. At each checkpoint, the script records: + +- training loss; +- full-model cosine between the BP gradient and the FA surrogate gradient at the FA weights; +- layerwise \(Q_l=\cos^2(W_{l+1}^{\top},B_l)\). + +Outputs are written under `outputs/trajectory_mlp_fa/`: + +- `summary.csv` +- `trajectories.csv` +- `layer_metrics.csv` +- diagnostic plots when `--plot` is set. |