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如何实现Transformers框架的离线使用?有哪些注意事项?

2025-08-23 475

实现Transformers离线使用需要以下步骤:

  1. 预先下载模型:
    from huggingface_hub import snapshot_download
    snapshot_download(repo_id="meta-llama/Llama-2-7b-hf", repo_type="model")
  2. 启用离线模式:
    Setting environment variables:export HF_HUB_OFFLINE=1
  3. Load the local model:
    model = LlamaForCausalLM.from_pretrained("./path/to/local/directory", local_files_only=True)

Caveats:

  • 确保下载完整的模型文件和配置文件
  • 模型版本需要与Transformers框架版本兼容
  • 首次加载建议在有网络环境下测试
  • 大数据量模型(如LLaMA-2)需要足够存储空间
  • 生产环境建议定期检查更新

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