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
Start phantom user assignment k-means!
Finish phantom user assignment k-means!
[RECUL] START TRAINING. CURRENT TIME: 0.13min.
[RECUL] PREPROCESS FINISHED. CURRENT TIME: 0.02min.
[RecUL] Epoch [1/2000], Loss: 3.8968, UL AUC: 0.5347, ACC AUC: 0.8079, ACC NDCG@20: 0.2252, Current time: 0.14min
[RecUL] Epoch [2/2000], Loss: 3.8307, UL AUC: 0.5275, ACC AUC: 0.8080, ACC NDCG@20: 0.2250, Current time: 0.16min
[RecUL] Epoch [3/2000], Loss: 3.8145, UL AUC: 0.5383, ACC AUC: 0.8137, ACC NDCG@20: 0.2249, Current time: 0.29min
[RecUL] Epoch [4/2000], Loss: 3.7951, UL AUC: 0.5574, ACC AUC: 0.8180, ACC NDCG@20: 0.2246, Current time: 0.41min
[RecUL] Epoch [5/2000], Loss: 3.7438, UL AUC: 0.5836, ACC AUC: 0.8149, ACC NDCG@20: 0.2244, Current time: 0.55min
[RecUL] Epoch [6/2000], Loss: 3.7415, UL AUC: 0.6038, ACC AUC: 0.8164, ACC NDCG@20: 0.2242, Current time: 0.69min
[RecUL] Epoch [7/2000], Loss: 3.7137, UL AUC: 0.6131, ACC AUC: 0.8177, ACC NDCG@20: 0.2237, Current time: 0.81min
[RecUL] Epoch [8/2000], Loss: 3.6954, UL AUC: 0.6491, ACC AUC: 0.8111, ACC NDCG@20: 0.2241, Current time: 0.89min
[RecUL] Epoch [9/2000], Loss: 3.6807, UL AUC: 0.6358, ACC AUC: 0.8144, ACC NDCG@20: 0.2237, Current time: 1.03min
[RecUL] Epoch [10/2000], Loss: 3.6482, UL AUC: 0.6393, ACC AUC: 0.8154, ACC NDCG@20: 0.2238, Current time: 1.16min
[RecUL] Epoch [11/2000], Loss: 3.6221, UL AUC: 0.6468, ACC AUC: 0.8122, ACC NDCG@20: 0.2237, Current time: 1.28min
[RecUL] Epoch [12/2000], Loss: 3.6142, UL AUC: 0.6680, ACC AUC: 0.8080, ACC NDCG@20: 0.2239, Current time: 1.40min
[RecUL] Epoch [13/2000], Loss: 3.5878, UL AUC: 0.6835, ACC AUC: 0.8067, ACC NDCG@20: 0.2240, Current time: 1.51min
[RecUL] Epoch [14/2000], Loss: 3.5625, UL AUC: 0.6910, ACC AUC: 0.8053, ACC NDCG@20: 0.2239, Current time: 1.53min
[RecUL] Epoch [15/2000], Loss: 3.5383, UL AUC: 0.6858, ACC AUC: 0.8085, ACC NDCG@20: 0.2235, Current time: 1.63min
[RecUL] Epoch [16/2000], Loss: 3.5556, UL AUC: 0.7010, ACC AUC: 0.8096, ACC NDCG@20: 0.2236, Current time: 1.75min
[RecUL] Epoch [17/2000], Loss: 3.5421, UL AUC: 0.7102, ACC AUC: 0.8061, ACC NDCG@20: 0.2234, Current time: 1.89min
[RecUL] Epoch [18/2000], Loss: 3.4921, UL AUC: 0.7213, ACC AUC: 0.8023, ACC NDCG@20: 0.2232, Current time: 2.02min
[RecUL] Epoch [19/2000], Loss: 3.4958, UL AUC: 0.7254, ACC AUC: 0.7995, ACC NDCG@20: 0.2237, Current time: 2.15min
[RecUL] Epoch [20/2000], Loss: 3.4729, UL AUC: 0.7392, ACC AUC: 0.7949, ACC NDCG@20: 0.2236, Current time: 2.27min
[RecUL] Epoch [21/2000], Loss: 3.4907, UL AUC: 0.7423, ACC AUC: 0.7949, ACC NDCG@20: 0.2234, Current time: 2.40min
[RecUL] Epoch [22/2000], Loss: 3.4687, UL AUC: 0.7291, ACC AUC: 0.7998, ACC NDCG@20: 0.2232, Current time: 2.52min
[RecUL] Epoch [23/2000], Loss: 3.4455, UL AUC: 0.7298, ACC AUC: 0.8029, ACC NDCG@20: 0.2232, Current time: 2.66min
[RecUL] Epoch [24/2000], Loss: 3.4318, UL AUC: 0.7464, ACC AUC: 0.7989, ACC NDCG@20: 0.2230, Current time: 2.79min
[RecUL] Epoch [25/2000], Loss: 3.4216, UL AUC: 0.7417, ACC AUC: 0.7980, ACC NDCG@20: 0.2232, Current time: 2.91min
[RecUL] Epoch [26/2000], Loss: 3.4255, UL AUC: 0.7536, ACC AUC: 0.7981, ACC NDCG@20: 0.2232, Current time: 3.05min
[RecUL] Epoch [27/2000], Loss: 3.4448, UL AUC: 0.7437, ACC AUC: 0.8007, ACC NDCG@20: 0.2231, Current time: 3.19min
[RecUL] Epoch [28/2000], Loss: 3.4380, UL AUC: 0.7454, ACC AUC: 0.7958, ACC NDCG@20: 0.2230, Current time: 3.24min
[RecUL] Epoch [29/2000], Loss: 3.4125, UL AUC: 0.7439, ACC AUC: 0.8031, ACC NDCG@20: 0.2231, Current time: 3.29min
[RecUL] Epoch [30/2000], Loss: 3.4271, UL AUC: 0.7575, ACC AUC: 0.7969, ACC NDCG@20: 0.2234, Current time: 3.42min
[RecUL] Epoch [31/2000], Loss: 3.3847, UL AUC: 0.7611, ACC AUC: 0.7942, ACC NDCG@20: 0.2237, Current time: 3.56min
[RecUL] Epoch [32/2000], Loss: 3.4142, UL AUC: 0.7546, ACC AUC: 0.7994, ACC NDCG@20: 0.2236, Current time: 3.68min
[RecUL] Epoch [33/2000], Loss: 3.4024, UL AUC: 0.7661, ACC AUC: 0.7950, ACC NDCG@20: 0.2236, Current time: 3.80min
[RecUL] Epoch [34/2000], Loss: 3.3791, UL AUC: 0.7649, ACC AUC: 0.7977, ACC NDCG@20: 0.2237, Current time: 3.92min
[RecUL] Epoch [35/2000], Loss: 3.3826, UL AUC: 0.7592, ACC AUC: 0.7997, ACC NDCG@20: 0.2240, Current time: 4.03min
[RecUL] Epoch [36/2000], Loss: 3.3988, UL AUC: 0.7539, ACC AUC: 0.8031, ACC NDCG@20: 0.2239, Current time: 4.17min
[RecUL] Epoch [37/2000], Loss: 3.3851, UL AUC: 0.7754, ACC AUC: 0.7923, ACC NDCG@20: 0.2241, Current time: 4.26min
[RecUL] Epoch [38/2000], Loss: 3.3779, UL AUC: 0.7734, ACC AUC: 0.7927, ACC NDCG@20: 0.2243, Current time: 4.40min
[RecUL] Epoch [39/2000], Loss: 3.3879, UL AUC: 0.7623, ACC AUC: 0.8011, ACC NDCG@20: 0.2244, Current time: 4.54min
[RecUL] Epoch [40/2000], Loss: 3.3790, UL AUC: 0.7797, ACC AUC: 0.7928, ACC NDCG@20: 0.2245, Current time: 4.67min
[RecUL] Epoch [41/2000], Loss: 3.3689, UL AUC: 0.7719, ACC AUC: 0.7962, ACC NDCG@20: 0.2245, Current time: 4.70min
[RecUL] Epoch [42/2000], Loss: 3.3448, UL AUC: 0.7750, ACC AUC: 0.7980, ACC NDCG@20: 0.2245, Current time: 4.80min
[RecUL] Epoch [43/2000], Loss: 3.3637, UL AUC: 0.7783, ACC AUC: 0.7918, ACC NDCG@20: 0.2245, Current time: 4.92min
[RecUL] Epoch [44/2000], Loss: 3.3700, UL AUC: 0.7843, ACC AUC: 0.7893, ACC NDCG@20: 0.2243, Current time: 5.06min
[RecUL] Epoch [45/2000], Loss: 3.3501, UL AUC: 0.7847, ACC AUC: 0.7966, ACC NDCG@20: 0.2244, Current time: 5.20min
[RecUL] Epoch [46/2000], Loss: 3.3564, UL AUC: 0.7856, ACC AUC: 0.7958, ACC NDCG@20: 0.2245, Current time: 5.32min
[RecUL] Epoch [47/2000], Loss: 3.3257, UL AUC: 0.7770, ACC AUC: 0.7990, ACC NDCG@20: 0.2246, Current time: 5.41min
[RecUL] Epoch [48/2000], Loss: 3.3563, UL AUC: 0.7882, ACC AUC: 0.7943, ACC NDCG@20: 0.2244, Current time: 5.51min
[RecUL] Epoch [49/2000], Loss: 3.3459, UL AUC: 0.7958, ACC AUC: 0.7920, ACC NDCG@20: 0.2246, Current time: 5.63min
[RecUL] Epoch [50/2000], Loss: 3.3431, UL AUC: 0.7904, ACC AUC: 0.7948, ACC NDCG@20: 0.2248, Current time: 5.76min
[RecUL] Epoch [51/2000], Loss: 3.3597, UL AUC: 0.7881, ACC AUC: 0.7950, ACC NDCG@20: 0.2247, Current time: 5.89min
[RecUL] Epoch [52/2000], Loss: 3.3360, UL AUC: 0.7823, ACC AUC: 0.7977, ACC NDCG@20: 0.2249, Current time: 6.00min
[RecUL] Epoch [53/2000], Loss: 3.3513, UL AUC: 0.7779, ACC AUC: 0.7983, ACC NDCG@20: 0.2247, Current time: 6.04min
[RecUL] Epoch [54/2000], Loss: 3.3314, UL AUC: 0.7914, ACC AUC: 0.7891, ACC NDCG@20: 0.2247, Current time: 6.17min
[RecUL] Epoch [55/2000], Loss: 3.3713, UL AUC: 0.7907, ACC AUC: 0.7941, ACC NDCG@20: 0.2249, Current time: 6.30min
[RecUL] Epoch [56/2000], Loss: 3.3716, UL AUC: 0.7941, ACC AUC: 0.7888, ACC NDCG@20: 0.2250, Current time: 6.43min
[RecUL] Epoch [57/2000], Loss: 3.3536, UL AUC: 0.7969, ACC AUC: 0.7930, ACC NDCG@20: 0.2248, Current time: 6.57min
[RecUL] Epoch [58/2000], Loss: 3.3279, UL AUC: 0.7961, ACC AUC: 0.7928, ACC NDCG@20: 0.2249, Current time: 6.71min
[RecUL] Epoch [59/2000], Loss: 3.3057, UL AUC: 0.7973, ACC AUC: 0.7896, ACC NDCG@20: 0.2247, Current time: 6.83min
Best UL AUC: 0.7958, Best epoch: 48, total time: 6.96min
[RECUL] TRAINING FINISHED. TOTAL TIME: 7.09min.
Precision@20: 0.2117; Recall@20: 0.1412;  NDCG@20: 0.2257;  
Precision@50: 0.1697; Recall@50: 0.2828;  NDCG@50: 0.2649;  
Precision@100: 0.1287; Recall@100: 0.4291;  NDCG@100: 0.3424;  
Before unlearning: ACC AUC: 0.8614, UL AUC: 0.5083, ACC NDCG@20: 0.2260
After unlearning: ACC AUC: 0.7920, UL AUC: 0.7958, ACC NDCG@20: 0.2257
