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ValkyriaLenneth avatar ValkyriaLenneth commented on July 20, 2024

确实是这样, longformer即便是long, 也只不过是把输入长度扩展到1K,4K而已

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Finnyhudson avatar Finnyhudson commented on July 20, 2024

如果是使用双塔式模型，可以直接使用两文本的[CLS]进行相似度计算吗

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ValkyriaLenneth avatar ValkyriaLenneth commented on July 20, 2024

双塔模型我没有用过, 但是[cls]作为表征整个文本的向量,是可以用来相似度计算的.

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Finnyhudson avatar Finnyhudson commented on July 20, 2024

好的 感谢

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Finnyhudson avatar Finnyhudson commented on July 20, 2024

再请问下您的代码环境是什么样的（torch+cuda版本和tranformer版本），之前allenai的原版transformer版本过高会导致forward报错，需要降到3.x

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ValkyriaLenneth avatar ValkyriaLenneth commented on July 20, 2024

我记得transformer是3.2 torch1.1 cuda 11, 不过只要模型没问题, 参数直接加载就行? forward报错的话,可能API有变动

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Finnyhudson avatar Finnyhudson commented on July 20, 2024

好的 再次感谢

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Finnyhudson avatar Finnyhudson commented on July 20, 2024

不好意思 又打扰了 如果我想只用1024的长度来跑的话 是直接把dataset的长度固定为每个样本都为1024的长度还是说在模型的config里面去修改

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18410080631 avatar 18410080631 commented on July 20, 2024

请问这个模型的tokenizer应该用什么

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