train_results.json

{
    "best_checkpoint": "./output/checkpoint-21",
    "epoch": 2.0,
    "total_flos": 410718830592.0,
    "train_loss": 0.6975067257881165,
    "train_runtime": 29.0699,
    "train_samples": 1000,
    "train_samples_per_second": 68.8,
    "train_steps_per_second": 1.101
}