# 2*50GB nproc_per_node=2 CUDA_VISIBLE_DEVICES=0,1 \ NPROC_PER_NODE=$nproc_per_node \ swift rlhf \ --rlhf_type simpo \ --model Qwen/Qwen2.5-3B-Instruct \ --tuner_type full \ --dataset hjh0119/shareAI-Llama3-DPO-zh-en-emoji \ --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-5 \ --gradient_accumulation_steps $(expr 16 / $nproc_per_node) \ --eval_steps 100 \ --save_steps 100 \ --save_total_limit 2 \ --logging_steps 5 \ --max_length 2048 \ --output_dir output \ --warmup_ratio 0.05 \ --dataloader_num_workers 4 \ --deepspeed zero2 \ --dataset_num_proc 4