examples/train/seq_cls/qwen2_5/sft.sh

# If `num_labels` is provided, it will be considered a classification task,
# and AutoModelForSequenceClassification will be used to load the model.
# You can also specify `--model Qwen/Qwen2.5-0.5B-Instruct --use_chat_template true`.
CUDA_VISIBLE_DEVICES=0 \
swift sft \
    --model Qwen/Qwen2.5-0.5B \
    --train_type lora \
    --dataset 'DAMO_NLP/jd:cls#2000' \
    --load_from_cache_file true \
    --split_dataset_ratio 0.01 \
    --torch_dtype bfloat16 \
    --num_train_epochs 1 \
    --per_device_train_batch_size 1 \
    --per_device_eval_batch_size 1 \
    --learning_rate 1e-4 \
    --lora_rank 8 \
    --lora_alpha 32 \
    --target_modules all-linear \
    --gradient_accumulation_steps 16 \
    --eval_steps 50 \
    --save_steps 50 \
    --save_total_limit 2 \
    --logging_steps 5 \
    --max_length 2048 \
    --output_dir output \
    --warmup_ratio 0.05 \
    --dataloader_num_workers 4 \
    --num_labels 2 \
    --task_type seq_cls \
    --use_chat_template false