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
Start phantom user assignment k-means!
Finish phantom user assignment k-means!
AUC before unlearning: 0.6690
NDCG@20 before unlearning: 0.1349
[RECUL] START TRAINING. CURRENT TIME: 0.15min.
[RECUL] PREPROCESS FINISHED. CURRENT TIME: 0.04min.
[RecUL] Epoch [1/2000], Loss: 1.7664, UL AUC: 0.8502, ACC AUC: 0.7862, ACC NDCG@20: 0.1353, Current time: 0.19min
[RecUL] Epoch [2/2000], Loss: 1.0652, UL AUC: 0.8230, ACC AUC: 0.8509, ACC NDCG@20: 0.1357, Current time: 0.32min
[RecUL] Epoch [3/2000], Loss: 0.7880, UL AUC: 0.8029, ACC AUC: 0.8721, ACC NDCG@20: 0.1360, Current time: 0.46min
[RecUL] Epoch [4/2000], Loss: 0.6627, UL AUC: 0.8039, ACC AUC: 0.8799, ACC NDCG@20: 0.1359, Current time: 0.59min
[RecUL] Epoch [5/2000], Loss: 0.6491, UL AUC: 0.7997, ACC AUC: 0.8864, ACC NDCG@20: 0.1358, Current time: 0.72min
[RecUL] Epoch [6/2000], Loss: 0.5836, UL AUC: 0.8041, ACC AUC: 0.8891, ACC NDCG@20: 0.1358, Current time: 0.85min
[RecUL] Epoch [7/2000], Loss: 0.5889, UL AUC: 0.8020, ACC AUC: 0.8908, ACC NDCG@20: 0.1358, Current time: 0.98min
[RecUL] Epoch [8/2000], Loss: 0.5253, UL AUC: 0.8117, ACC AUC: 0.8948, ACC NDCG@20: 0.1358, Current time: 1.11min
[RecUL] Epoch [9/2000], Loss: 0.5243, UL AUC: 0.7996, ACC AUC: 0.8968, ACC NDCG@20: 0.1357, Current time: 1.24min
[RecUL] Epoch [10/2000], Loss: 0.4830, UL AUC: 0.7970, ACC AUC: 0.8982, ACC NDCG@20: 0.1358, Current time: 1.38min
[RecUL] Epoch [11/2000], Loss: 0.5029, UL AUC: 0.8111, ACC AUC: 0.8986, ACC NDCG@20: 0.1359, Current time: 1.51min
Best UL AUC: 0.8502, Best epoch: 0, total time: 1.64min
[RECUL] TRAINING FINISHED. TOTAL TIME: 1.78min.
Precision@20: 0.0493; Recall@20: 0.1610;  NDCG@20: 0.1358;  
Precision@50: 0.0314; Recall@50: 0.2516;  NDCG@50: 0.1644;  
Precision@100: 0.0217; Recall@100: 0.3418;  NDCG@100: 0.1898;  
Before unlearning: ACC AUC: 0.9346, UL AUC: 0.5017, ACC NDCG@20: 0.1355
After unlearning: ACC AUC: 0.7862, UL AUC: 0.8502, ACC NDCG@20: 0.1358
