gpu_check_server.bash

#!/bin/bash

# GPU ID 和显存阈值（MiB）
GPU_ID=7
THRESHOLD=20480

# 要运行的命令
RUN_COMMAND="CUDA_VISIBLE_DEVICES=6,7 python -m vllm.entrypoints.openai.api_server \
    --host 127.0.0.1 --port 8422 \
    --model meta-llama/Meta-Llama-3-8B-Instruct \
    --tensor-parallel-size 2 \
    --max-model-len 512"

while true; do
    # 获取GPU空闲内存
    FREE_MEM=$(nvidia-smi --id=$GPU_ID --query-gpu=memory.free --format=csv,noheader,nounits)

    echo "GPU $GPU_ID free memory: ${FREE_MEM} MiB"

    if [ "$FREE_MEM" -ge "$THRESHOLD" ]; then
        echo "Sufficient memory detected on GPU $GPU_ID. Starting the server..."
        eval "$RUN_COMMAND"
        break
    else
        echo "Not enough memory on GPU $GPU_ID. Retrying in 10 seconds..."
        sleep 5
    fi
done