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generate_parameter.ipynb中input_ids未定义,小小的问题 #3

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B3DDD opened this issue Jan 14, 2025 · 0 comments
Open

generate_parameter.ipynb中input_ids未定义,小小的问题 #3

B3DDD opened this issue Jan 14, 2025 · 0 comments

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@B3DDD
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B3DDD commented Jan 14, 2025

原始生成
其中input_ids未定义,小小的问题提一下下。

`from transformers import AutoModelForCausalLM, AutoTokenizer
import torch

model_name = "llama-2-7b-hf" # 用你下载的模型的文件夹位置
model = AutoModelForCausalLM.from_pretrained(model_name, device_map="auto")
tokenizer = AutoTokenizer.from_pretrained(model_name)

text = "say"
inputs = tokenizer(text, return_tensors="pt")
print(f"inputs:{inputs}")

定义一下 input_ids = inputs['input_ids']

logits = model.forward(input_ids)
print("Logits Shape:", logits.logits.shape)
print(f"logits:{logits.logits}")

next_token = torch.argmax(logits.logits, dim=-1).reshape(-1)[1]
print(f"next_token:{next_token}")

next_word = tokenizer.decode(next_token)
print(f"next_word:{next_word}")`

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