qwen3-8b-base-r-dpo-ultrafeedback-4xh200-batch-128

This model is a fine-tuned version of jackf857/qwen3-8b-base-sft-ultrachat-4xh200-batch-128 on the HuggingFaceH4/ultrafeedback_binarized dataset. It achieves the following results on the evaluation set:

  • Loss: 0.5469
  • R Dpo/chosen Len: 294.4800
  • R Dpo/rejected Len: 249.8700
  • R Dpo/length Delta: 44.6100
  • R Dpo/regularization Term: 4.4610
  • Logps/chosen: -2936.7747
  • Logps/rejected: -2579.1685
  • Logps/ref Chosen: -281.4850
  • Logps/ref Rejected: -261.8005
  • Logits/chosen: 0.6320
  • Logits/rejected: 0.5334

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: 5e-07
  • train_batch_size: 4
  • eval_batch_size: 4
  • seed: 42
  • distributed_type: multi-GPU
  • num_devices: 4
  • gradient_accumulation_steps: 8
  • total_train_batch_size: 128
  • total_eval_batch_size: 16
  • optimizer: Use OptimizerNames.ADAMW_TORCH with betas=(0.9,0.999) and epsilon=1e-08 and optimizer_args=No additional optimizer arguments
  • lr_scheduler_type: cosine
  • lr_scheduler_warmup_ratio: 0.1
  • num_epochs: 1

Training results

Training Loss Epoch Step Validation Loss R Dpo/chosen Len R Dpo/rejected Len R Dpo/length Delta R Dpo/regularization Term Logps/chosen Logps/rejected Logps/ref Chosen Logps/ref Rejected Logits/chosen Logits/rejected
6.6608 0.4188 200 0.7288 294.4800 249.8700 44.6100 4.4610 -2819.1780 -2438.3210 -281.4850 -261.8005 0.6077 0.5856
4.5388 0.8377 400 0.5469 294.4800 249.8700 44.6100 4.4610 -2936.7747 -2579.1685 -281.4850 -261.8005 0.6320 0.5334

Framework versions

  • Transformers 4.51.0
  • Pytorch 2.3.1+cu121
  • Datasets 2.21.0
  • Tokenizers 0.21.4
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