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shirasko/qwen3.5-2b-rmu-uranium

sourceHugging Faceupdated 22d agoView on Hugging Face
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Unlearned Checkpoint

FieldValue
Unlearning methodRMU
Base modelQwen/Qwen3.5-2B
Target conceptUranium
Checkpoint typeFull Model Weights
Rank / seed100 / 42
Train eval protocolmc

Unlearning Configuration

Selected hyperparameters (from unlearned_checkpoints.json):

ParameterValue
alpha30
delta_embed0
k_features_embed0
layer_id7
layer_ids5,6,7
lr0.0001
n_tokens_edited0
param_ids11
setting_nameS1lid7L567
steering100

Primary Unlearning Metrics (held-out test, MC protocol)

Headline scores used for checkpoint selection:

MetricTrain (after unlearning)**Test (after unlearning)**
Efficacy0.8240.588
Specificity0.8160.569
Harmonic mean0.820.579
Relearning QA (MC)—0.54

Full Evaluation (baseline → unlearned)

From evaluation/score_comparison.csv:

MetricBaseline (train)After unlearn (train)Baseline (test)**After unlearn (test)**
QA accuracy0.760.340.760.46
QA fraction10.17610.412
SimDom accuracy0.70.560.760.46
SimDom fraction10.68910.412
MMLU accuracy0.560.560.5880.562
MMLU fraction1110.923

Files in This Repository

FileDescription
unlearned_checkpoints.jsonCheckpoint metadata & hyperparameters
evaluation/evaluation_summary.jsonFull evaluation payload (train/test/relearning)
evaluation/score_comparison.csvBaseline vs. unlearned comparison table