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gpt-imdb-sigmoid-beta_0.1

This model is a fine-tuned version of lvwerra/gpt2-imdb on an unknown dataset. It achieves the following results on the evaluation set:

  • Step: 7000
  • Loss: 0.1445
  • Rewards/chosen: -5.6156
  • Rewards/rejected: -11.9139
  • Rewards/accuracies: 0.9354
  • Rewards/margins: 6.2982
  • Logps/rejected: -382.8238
  • Logps/chosen: -291.4216
  • Logits/rejected: -44.3728
  • Logits/chosen: -46.3321

Model description

More information needed

Intended uses & limitations

More information needed

Training and evaluation data

More information needed

Training procedure

Training hyperparameters

The following hyperparameters were used during training:

  • learning_rate: 1e-05
  • train_batch_size: 24
  • eval_batch_size: 24
  • seed: 42
  • optimizer: Adam with betas=(0.9,0.99) and epsilon=1e-08
  • lr_scheduler_type: cosine
  • lr_scheduler_warmup_steps: 150
  • num_epochs: 3

Training results

Training Loss Epoch Step Validation Loss Rewards/chosen Rewards/rejected Rewards/accuracies Rewards/margins Logps/rejected Logps/chosen Logits/rejected Logits/chosen
0.2741 0.21 500 0.3546 -0.7644 -2.6310 0.8604 1.8666 -289.9951 -242.9089 -34.2705 -35.4568
0.3403 0.42 1000 0.2963 -1.6755 -4.3008 0.8687 2.6253 -306.6930 -252.0203 -40.9205 -42.3105
0.1939 0.63 1500 0.2596 -3.1297 -6.7295 0.8771 3.5998 -330.9802 -266.5624 -37.6829 -39.1821
0.2094 0.83 2000 0.1941 -2.9414 -6.9143 0.9292 3.9728 -332.8280 -264.6796 -38.0792 -39.7464
0.1481 1.04 2500 0.1744 -3.7473 -8.3469 0.9333 4.5996 -347.1542 -272.7383 -40.9252 -42.5164
0.2862 1.25 3000 0.1750 -4.5825 -9.7147 0.9292 5.1322 -360.8324 -281.0905 -41.9790 -44.0717
0.304 1.46 3500 0.1652 -4.3291 -9.8200 0.9333 5.4909 -361.8853 -278.5559 -44.1786 -46.1418
0.2167 1.67 4000 0.1580 -4.6175 -10.0305 0.9354 5.4130 -363.9903 -281.4398 -43.6324 -45.4854
0.1396 1.88 4500 0.1518 -4.5940 -10.1635 0.9396 5.5696 -365.3205 -281.2049 -41.9461 -43.8060
0.1575 2.08 5000 0.1525 -5.3119 -11.3685 0.9292 6.0566 -377.3703 -288.3840 -43.4045 -45.2127
0.0338 2.29 5500 0.1472 -5.2545 -11.3863 0.9333 6.1319 -377.5485 -287.8099 -43.2283 -45.1626
0.1631 2.5 6000 0.1496 -5.6862 -11.9852 0.9333 6.2991 -383.5375 -292.1269 -43.6007 -45.5693
0.1177 2.71 6500 0.1473 -5.6329 -11.9588 0.9417 6.3259 -383.2729 -291.5939 -44.3503 -46.3168
0.2342 2.92 7000 0.1445 -5.6156 -11.9139 0.9354 6.2982 -382.8238 -291.4216 -44.3728 -46.3321

Framework versions

  • Transformers 4.35.2
  • Pytorch 2.1.1
  • Datasets 2.15.0
  • Tokenizers 0.15.0
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