Read ml-1M dataset done! u_num: 6040, i_num: 3883
Load a pre-trained model
 UL AUC before unlearning: 0.5083
ACC AUC before unlearning: 0.8614
NDCG@20 before unlearning: 0.2260
Precision@20: 0.1487; Recall@20: 0.0992;  NDCG@20: 0.1542;  
Precision@50: 0.1275; Recall@50: 0.2126;  NDCG@50: 0.1916;  
Precision@100: 0.1004; Recall@100: 0.3348;  NDCG@100: 0.2563;  
Before unlearning: ACC AUC: 0.8614, UL AUC: 0.5083, ACC NDCG@20: 0.2260
After unlearning: ACC AUC: 0.7850, UL AUC: 0.5867, ACC NDCG@20: 0.1542
Load a re-train model
Jar_Sim@20: 0.0961;  Jar_Sim@50: 0.1558;  Jar_Sim@100: 0.2035;  
