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Getting NaN when calculating the reconstruction loss #1

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CSMYang opened this issue Jul 20, 2023 · 0 comments
Open

Getting NaN when calculating the reconstruction loss #1

CSMYang opened this issue Jul 20, 2023 · 0 comments

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@CSMYang
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CSMYang commented Jul 20, 2023

The reconstruction loss has numerical stability issues and will output NaN values when calculating NewInnerLog.

The calculation of NewInnerLog NewInnerLog = InnerLog / ((x_sigmoid *clipped_norm_gaussian).sum(1)) should be changed to
NewInnerLog = InnerLog / ((x_sigmoid *clipped_norm_gaussian).sum(1) + self.eps) to prevent division by zeros.
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@CSMYang