2026-04-15 07:19:05,558 - INFO - __main__ - Logging to file: ./taskA-codebert-base/training.log
2026-04-15 07:19:05,563 - INFO - __main__ - Loading tokenizer from: microsoft/codebert-base
2026-04-15 07:19:05,823 - INFO - __main__ - Loading model from: microsoft/codebert-base
2026-04-15 07:19:06,547 - INFO - __main__ - Model loaded successfully
2026-04-15 07:19:06,551 - INFO - __main__ - Model config - num_labels: 2, hidden_size: 768
2026-04-15 07:19:06,698 - INFO - __main__ - Model on device: cuda
2026-04-15 07:19:06,702 - INFO - __main__ - Freezing base model weights, training classifier head only...
2026-04-15 07:19:06,707 - INFO - __main__ - Base model frozen - only classifier head is trainable
2026-04-15 07:19:06,710 - INFO - __main__ - Loading datasets from Hugging Face Hub...
2026-04-15 07:19:07,548 - INFO - __main__ - Train samples: 500000, Val samples: 100000
2026-04-15 07:19:07,552 - INFO - __main__ - Tokenizing datasets...
2026-04-15 07:22:59,746 - INFO - __main__ - W&B set to offline mode for notebook stability
2026-04-15 07:22:59,804 - INFO - __main__ - Starting training...