Instruction: Discuss how you balance the need for complex models to achieve high accuracy with the necessity for performance efficiency in production.
Context: This question explores the candidate's ability to navigate the complexities of model design decisions in a production context.
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The way I'd approach it in an interview is this: I evaluate the tradeoff by looking at the full system cost of complexity: latency, memory, explainability, failure modes, rollout difficulty, and maintenance burden, not just offline accuracy. A slightly...