Improve pytorch examples for fp16 (#9796)
* Pad to 8x for fp16 multiple choice example (#9752)
* Pad to 8x for fp16 squad trainer example (#9752)
* Pad to 8x for fp16 ner example (#9752)
* Pad to 8x for fp16 swag example (#9752)
* Pad to 8x for fp16 qa beam search example (#9752)
* Pad to 8x for fp16 qa example (#9752)
* Pad to 8x for fp16 seq2seq example (#9752)
* Pad to 8x for fp16 glue example (#9752)
* Pad to 8x for fp16 new ner example (#9752)
* update script template #9752
* Update examples/multiple-choice/run_swag.py
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
* Update examples/question-answering/run_qa.py
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
* Update examples/question-answering/run_qa_beam_search.py
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
* improve code quality #9752
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
