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When Training HDP model perplexity and LL per word return Nan #189

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LiuTaiShi opened this issue Nov 21, 2022 · 0 comments
Open

When Training HDP model perplexity and LL per word return Nan #189

LiuTaiShi opened this issue Nov 21, 2022 · 0 comments
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@LiuTaiShi
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LiuTaiShi commented Nov 21, 2022 •
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Hi @bab2min,

I'm now training a HDP model and report perplexity and loglikelihood for every 200 iters.
But when the number of iteration reaches 36600(as presented in pic), the both metrics retrun Nan.
I noted that this bug has been fixed. So what's wrong with the training?
By the way, I'm wondering what's the apt standard to choose model from perplexity(or LL per word)?
Thank you!

image
@LiuTaiShi LiuTaiShi changed the title When Training HDP model the perplexity return Nan。 When Training HDP model perplexity and return Nan Nov 21, 2022
@LiuTaiShi LiuTaiShi changed the title When Training HDP model perplexity and return Nan When Training HDP model perplexity and LL per word return Nan Nov 21, 2022
@bab2min bab2min added the bug Something isn't working label Jan 22, 2023
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@bab2min @LiuTaiShi