InfraLens

End-to-End Inference Trace

This starter is annotated reading material and the source of truth for the lab preview. Running anything is optional; the reading goal is to explain the mechanism without hiding behind a framework call.

Reading focus

Read the whole pipeline as a trace from config to output media.

Annotated sketch

## End-to-end trace

1. Read config and load components.
2. Encode text/image/video conditions.
3. Initialize or encode latents.
4. Run scheduler loop with denoiser and guidance.
5. Decode latents and postprocess media.

What to explain

• load creates modules.
• prepare creates conditions and latents.
• loop updates latents.
• decode emits output.

Common trap

• Do not explain only the model family name.
• Do not skip scheduler and VAE when tracing output.

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