GitLab

TPU runner is currently implemented in:
https://github.com/pytorch-tpu/transformers/blob/tpu/examples/run_glue_tpu.py.

We plan to upstream this directly into `huggingface/transformers`
(either `master` or `tpu`) branch once it's been more thoroughly tested.

Make imports and args.overwrite_cache match run_glue.py

It takes considerate amount of time (~10 min) to parse the examples to features, it is good to have a progress-bar to track this