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Made masked losses compatible with masked nans #18829
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This will add significant overhead to the computation. Is there a better way that doesn't involve a cond?
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There are plenty of ways to do essentially this, but is a
cond
on scalars that expensive? What about awhere
? They seemed the clearest, but other options would be:batch_size = maximum(batch_size, 1)
- should give identical results (batch size is an integer, and when it's 0 the numerator should be zero)batch_size = batch_size + epsilon
- closer to the current implementation, though IMO wrong.