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Openpcdet可能无法更新nn.parameter的可学习参数,对应A和D矩阵 #25
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@magnetmoment LION/tools/train_utils/optimization/__init__.py Lines 44 to 65 in d6e068e
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ok |
作者您好,我发现一个有意思的现象。我以前训练您的模型使用的是Openpcdet仓库的优化器,一个epoch需要2h;最近看见您对这个问题的解答,我将优化器换为您修复过后的,每个epoch的训练时间变为了1h。似乎您在init文件中的修改只会增加运算量,但是训练时间却缩短了一半。这个问题可能与项目无关系,如果能解惑,不胜感激 |
@weiyuuuuyiew |
Openpcdet中有一个很经典的bug:如果使用某些学习器,比如adam_onecycle,将不会梯度更新nn.parameter中的参数。请问在这个项目中mamba中的A和D矩阵(nn.parameter)是否一直没有更新,理论上它们都是可学习的。
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