Train with CPU: Time cost (second): | Pass | V2(CPU) | Fluid(CPU) | |--------------- | --------------- | ------------------- | |0 | 1112.000000 | 1359.000000 | |1 | 1089.000000 | 1381.000000 | |2 | 1098.000000 | 1360.000000 | |3 | 1110.000000 | 1343.000000 | |4 | 1083.000000 | 1355.000000 | |avg: | 1098.4 | 1359.6 |