Update README.md

Update dmx_perplexity.py

Update dmx_perplexity.py

Update dmx_perplexity.py

drop device setting for already parallel models

Update dmx_perplexity.py

Update dmx_perplexity.py

Update README

updated README

fixing model namespace

updating app.py description

Adding model as input to gradio app

Updating functions in app.py that is not compatible with latest gradio

updated requirements.txt

Updated app.py

modifying name of the metric

updated README

Adding initial files for perplexity metric

initial commit