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發(fā)布時間:2025-10-20
# 創(chuàng)建獨立Python虛擬環(huán)境(避免庫沖突)python3 -m venv qwen-envsource qwen-env/bin/activatepip install --upgrade pip setuptools wheel# 安裝適配國產(chǎn)架構(gòu)的核心依賴pip install transformers torch datasets accelerate# 若遇安裝失敗,使用conda或手動編譯wheel包conda install pytorch torchvision torchaudio cpuonly -c pytorch# 從Hugging Face拉取Qwen2.5模型(需聯(lián)網(wǎng))from transformers import AutoModelForCausalLM, AutoTokenizermodel = AutoModelForCausalLM.from_pretrained("qwen/Qwen2.5-7B-Instruct")tokenizer = AutoTokenizer.from_pretrained("qwen/Qwen2.5-7B-Instruct")# 轉(zhuǎn)換為ONNX格式(提升跨平臺兼容性)import torch.onnxdummy_input = tokenizer("測試輸入", return_tensors="pt")torch.onnx.export(model, (dummy_input["input_ids"],), "qwen25.onnx", input_names=["input_ids"], output_names=["logits"])from onnxruntime import InferenceSession# 啟用國產(chǎn)NPU執(zhí)行提供器session = InferenceSession("qwen25.onnx", providers=['MluExecutionProvider', 'CpuExecutionProvider'])# docker-compose.yaml配置version: '3'services: qwen25: image: vllm/vllm-openai:v0.6.4 volumes: - ./model:/opt/model command: --model /opt/model --tensor-parallel-size 1 deploy: resources: reservations: devices: - driver: nvidia count: 1 capabilities: [gpu]優(yōu)化維度 | 操作方法 | 性能提升效果 |
模型層面 | 啟用 FP16 精度、圖層融合 | 推理速度提升 30%-50% |
硬件層面 | 配置 GPU 顯存分片、啟用 PIN_MEMORY | 內(nèi)存占用降低 20% |
服務(wù)層面 | 使用 Triton Inference Server 負載均衡 | 并發(fā)處理能力提升 2 倍 |