Table 5 The training and testing time (unit: seconds/epoch).
Model | Movielens-100K | Movielens-1M | Gowalla | Yelp2018 | Amazon-book | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | Training | Testing | Training | Testing | Training | Testing | Training | Testing | Training | Testing |
MF | 1.8 | 1.85 | 28.2 | 4.9 | 16.4 | 128.0 | 28.5 | 127.8 | 59.0 | 257.3 |
NeuMF | 5.3 | 2.55 | 84.5 | 7.8 | 49.2 | 214.0 | 85.4 | 221.7 | 176.9 | 431.5 |
GC-MC | 9.4 | 3.25 | 140.7 | 10.5 | 82.0 | 299.5 | 142.3 | 307.8 | 294.9 | 602.5 |
NGCF | 18.4 | 5.0 | 281.8 | 18.8 | 163.9 | 213.8 | 284.6 | 335.5 | 589.8 | 862.5 |
LightGCN | 5.1 | 2.52 | 83.5 | 7.6 | 49.2 | 108.5 | 85.1 | 141.7 | 176.9 | 431.5 |
NGAT4Rec | 15.2 | 3.8 | 198.4 | 11.2 | 83.5 | 120.1 | 253.2 | 168.4 | 569.4 | 534.2 |
SGL | 12.2 | 3.2 | 187.1 | 10.1 | 72.4 | 108.5 | 232.7 | 147.9 | 517.6 | 508.3 |
GR-MC | 13.4 | 3.3 | 196.3 | 10.3 | 81.8 | 114.7 | 240.5 | 152.4 | 550.9 | 529.4 |
