Amortized LDA vs ProdLDA

Hi,

I was wondering if there are any differences between ‘AmortizedLDA’ and ‘ProdLDA’ tutorials? I tried both and they seem quite similar methods to me - also they cite the same Autoencoding variational inference paper.

https://pyro.ai/examples/lda.html

https://pyro.ai/examples/prodlda.html

thanks!