大模型训练和推理显存用量计算方法 #59
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方法一: 直接在线计算
https://huggingface.co/spaces/hf-accelerate/model-memory-usage
![image](https://private-user-images.githubusercontent.com/26271661/313056234-c166e7da-9795-4a0b-b5f8-43fca87f7a30.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MzkzMTA2MTIsIm5iZiI6MTczOTMxMDMxMiwicGF0aCI6Ii8yNjI3MTY2MS8zMTMwNTYyMzQtYzE2NmU3ZGEtOTc5NS00YTBiLWI1ZjgtNDNmY2E4N2Y3YTMwLnBuZz9YLUFtei1BbGdvcml0aG09QVdTNC1ITUFDLVNIQTI1NiZYLUFtei1DcmVkZW50aWFsPUFLSUFWQ09EWUxTQTUzUFFLNFpBJTJGMjAyNTAyMTElMkZ1cy1lYXN0LTElMkZzMyUyRmF3czRfcmVxdWVzdCZYLUFtei1EYXRlPTIwMjUwMjExVDIxNDUxMlomWC1BbXotRXhwaXJlcz0zMDAmWC1BbXotU2lnbmF0dXJlPTdhZGYyMmM4NmYyN2E4ZWFkMDYwYTkzODliYzM1Y2M5Y2U2M2VmMzVlMTY2ZWY1NDlkNGY2MmYwNjkxMGMyOGUmWC1BbXotU2lnbmVkSGVhZGVycz1ob3N0In0.eyjyABlhpcy2YA-UxgGDhqm8uNhhEYKTuJQi8-Sriuk)
方法二: 使用accelerate命令行计算
install
usage
方法三
根据经验
方法一, 方法二只是个理论值, 实际值会有偏差, 尤其是transformers 源码中没有支持的模型, 偏差会更大一些
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