Reintroduce AIPerf for performance benchmarking, clean up docs and text

[nfasfous]

What does this PR do?

Type of change: new feature, new tests, documentation.

Reintroduce AIPerf for performance benchmarking, clean up docs and text

Usage

AIPerf in dockerfile installed via uv to avoid deps issues

Testing

Tested notebook end-to-end. Results of AIPerf:

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