transformers

63722550 - [docs] add explanation to `release_memory()` (#34911)

[docs] add explanation to `release_memory()` (#34911) * explain release_memory * Update docs/source/en/llm_tutorial_optimization.md Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com> --------- Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>