eval_results.json

{
    "epoch": 20.0,
    "eval_loss": 1.438940167427063,
    "eval_runtime": 277.0149,
    "eval_samples": 27329,
    "eval_samples_per_second": 98.655,
    "eval_steps_per_second": 0.773,
    "perplexity": 4.216224955689952
}