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yeyupiaoling avatar yeyupiaoling commented on May 19, 2024

这应该是正常的,你训练那个数据集?

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panliang5020 avatar panliang5020 commented on May 19, 2024

这应该是正常的,你训练那个数据集?

WenetSpeech数据集与前三个开源小型数据集

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yeyupiaoling avatar yeyupiaoling commented on May 19, 2024

字错率一开始就是0.57 ?batch size是多少?

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panliang5020 avatar panliang5020 commented on May 19, 2024

字错率一开始就是0.57 ?batch size是多少?

image
batch size 32 使用多卡训练

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yeyupiaoling avatar yeyupiaoling commented on May 19, 2024

是正常的,一般是在20多轮的时候有较大的下降。你也可以用VisualDL查看训练log的变化,有loss有没有在减小的趋势。要看整体趋势,不能只看某个值,因为音频的长度不一。

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yeyupiaoling avatar yeyupiaoling commented on May 19, 2024

训练时间有点久,训练时,GPU占用大吗?

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panliang5020 avatar panliang5020 commented on May 19, 2024

训练时间有点久,训练时,GPU占用大吗?

两块卡一共占了27g多,训练速度属实有点慢了,一个epoch37,8小时

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yeyupiaoling avatar yeyupiaoling commented on May 19, 2024

我问得是这个占用率。因为通常情况下,数据读取和预处理会导致GPU的占用率不够,WenetSpeech的数量很多,如果是机械硬盘,会导致读取速度变慢。

这个要注意。

image

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panliang5020 avatar panliang5020 commented on May 19, 2024

image

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yeyupiaoling avatar yeyupiaoling commented on May 19, 2024

这就没问题了。等训练20多轮的时候变化情况

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panliang5020 avatar panliang5020 commented on May 19, 2024

这就没问题了。等训练20多轮的时候变化情况

好的,感谢解惑

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yeyupiaoling avatar yeyupiaoling commented on May 19, 2024

有变化吗?

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panliang5020 avatar panliang5020 commented on May 19, 2024

有变化吗?
image

依旧表现不太好,字错率没有下降

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yeyupiaoling avatar yeyupiaoling commented on May 19, 2024

对了,现在提供了更大的模型deepspeech2_big,你可以试试这个模型训练。

PPASR/train.py

Line 15 in 5141986

add_arg('use_model', str, 'deepspeech2', '所使用的模型', choices=['deepspeech2', 'deepspeech2_big'])

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