[rfc][compile] compile method for DiffusionPipeline (#11705)
* [rfc][compile] compile method for DiffusionPipeline
* Apply suggestions from code review
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
* Apply style fixes
* Update docs/source/en/optimization/fp16.md
* check
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Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
