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一、问题描述 seq2seq模型在modelarts上，选择GPUv100验证模型在v100上的性能时，发现模型训练速度比3090训练速度慢，3090一个step需要0.7秒左右，v100一个step需要2.5秒左右。 #### 3090训练截图 ![输入图片说明](https://images

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