Investigate AsyncDiff for parallelizing models

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Describe the bug

Investigate using AsyncDiff to split across GPUs and speed up inference.

https://github.com/czg1225/AsyncDiff

Reproduction steps

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behaviour

No response

Severity

None

Screenshots / Live demo link

No response

OS

None

Running on

None

AI-worker version

No response

Additional context

No response