Read gowalla dataset done! u_num: 29858, i_num: 40981
Load a pre-trained model
UL AUC before unlearning: 0.5017
ACC AUC before unlearning: 0.9346
NDCG@20 before unlearning: 0.1355
AUC before unlearning: 0.6690
NDCG@20 before unlearning: 0.1349
[RECUL] START TRAINING. CURRENT TIME: 0.13min.
[RECUL] PREPROCESS FINISHED. CURRENT TIME: 0.01min.
[RecUL] Epoch [1/2000], Loss: 1.6808, UL AUC: 0.8456, ACC AUC: 0.7862, ACC NDCG@20: 0.1352, Current time: 0.14min
[RecUL] Epoch [2/2000], Loss: 0.9549, UL AUC: 0.8238, ACC AUC: 0.8559, ACC NDCG@20: 0.1357, Current time: 0.25min
[RecUL] Epoch [3/2000], Loss: 0.6902, UL AUC: 0.8002, ACC AUC: 0.8783, ACC NDCG@20: 0.1360, Current time: 0.36min
[RecUL] Epoch [4/2000], Loss: 0.5908, UL AUC: 0.8012, ACC AUC: 0.8817, ACC NDCG@20: 0.1359, Current time: 0.47min
[RecUL] Epoch [5/2000], Loss: 0.5529, UL AUC: 0.8045, ACC AUC: 0.8863, ACC NDCG@20: 0.1358, Current time: 0.57min
[RecUL] Epoch [6/2000], Loss: 0.5184, UL AUC: 0.8020, ACC AUC: 0.8907, ACC NDCG@20: 0.1359, Current time: 0.68min
[RecUL] Epoch [7/2000], Loss: 0.5073, UL AUC: 0.8019, ACC AUC: 0.8936, ACC NDCG@20: 0.1358, Current time: 0.79min
[RecUL] Epoch [8/2000], Loss: 0.4712, UL AUC: 0.8106, ACC AUC: 0.8947, ACC NDCG@20: 0.1359, Current time: 0.90min
[RecUL] Epoch [9/2000], Loss: 0.4344, UL AUC: 0.8129, ACC AUC: 0.8969, ACC NDCG@20: 0.1359, Current time: 1.01min
[RecUL] Epoch [10/2000], Loss: 0.4194, UL AUC: 0.8123, ACC AUC: 0.9001, ACC NDCG@20: 0.1358, Current time: 1.12min
[RecUL] Epoch [11/2000], Loss: 0.4155, UL AUC: 0.8140, ACC AUC: 0.9028, ACC NDCG@20: 0.1360, Current time: 1.22min
Best UL AUC: 0.8456, Best epoch: 0, total time: 1.33min
[RECUL] TRAINING FINISHED. TOTAL TIME: 1.46min.
Precision@20: 0.0492; Recall@20: 0.1610;  NDCG@20: 0.1356;  
Precision@50: 0.0313; Recall@50: 0.2513;  NDCG@50: 0.1642;  
Precision@100: 0.0217; Recall@100: 0.3415;  NDCG@100: 0.1897;  
Before unlearning: ACC AUC: 0.9346, UL AUC: 0.5017, ACC NDCG@20: 0.1355
After unlearning: ACC AUC: 0.7862, UL AUC: 0.8456, ACC NDCG@20: 0.1356
