torchrun --nproc_per_node=4 --master_port=9778 fastchat/train/train_flant5.py \
--model_name_or_path google/flan-t5-xl \
--data_path ./data/dummy_conversation.json \
--bf16 True \
--output_dir ./checkpoints_flant5_3b \
--num_train_epochs 3 \
--per_device_train_batch_size 1 \
--per_device_eval_batch_size 1 \
--gradient_accumulation_steps 4 \
--evaluation_strategy "no" \
--save_strategy "steps" \
--save_steps 300 \
--save_total_limit 1 \
--learning_rate 2e-5 \
--weight_decay 0. \
--warmup_ratio 0.03 \
--lr_scheduler_type "cosine" \
--logging_steps 1 \
--fsdp "full_shard auto_wrap" \
--fsdp_transformer_layer_cls_to_wrap T5Block \
--tf32 True \
--model_max_length 2048 \
--preprocessed_path ./preprocessed_data/processed.json \
--gradient_checkpointing True