[docs] Add a note on torchao/quanto benchmarks for CogVideoX and memory-efficient inference (#9296)
* add a note on torchao/quanto benchmarks and memory-efficient inference
* apply suggestions from review
* update
* Update docs/source/en/api/pipelines/cogvideox.md
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
* Update docs/source/en/api/pipelines/cogvideox.md
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
* add note on enable sequential cpu offload
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Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>