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OOM #178

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@Huster-Hq

我在4台4090(每台是24G)上尝试了该代码,我已经将num_generations调成1,但还是报OOM错误,显存溢出。请问这是正常的吗?
以下我的运行文件:

CUDA_VISIBLE_DEVICES="0,1,2,3" torchrun
--nproc_per_node="3"
--nnodes="1"
--node_rank="0"
--master_addr="127.0.0.1"
--master_port="12355"
src/open_r1/grpo.py
--use_vllm true
--output_dir ${OUTPUT_DIR}
--model_name_or_path ${QWEN_PATH}
--dataset_name ${HF_DATASET}
--max_prompt_length 4096
--max_completion_length 2048
--per_device_train_batch_size 1
--gradient_accumulation_steps 4
--learning_rate 1e-6
--lr_scheduler_type "constant"
--logging_steps 1
--bf16 true
--gradient_checkpointing true
--attn_implementation flash_attention_2
--min_pixels 3136
--max_pixels 501760
--num_train_epochs 2
--run_name ${RUN_NAME}
--save_steps 200
--save_total_limit 3
--save_only_model true
--report_to wandb
--temperature 1.0
--num_generations 1
--vllm_device "cuda:3"
--vllm_gpu_memory_utilization 0.8
--deepspeed ${DS_CONFIG}
2>&1 | tee "${OUTPUT_DIR}/training_log.txt"

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