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T4 Automotive and self-driving Li Auto Round 1

Li Auto AI Infra first round

Real Li Auto AI Infra first-round interview questions covering operator optimization

Operator optimization

This round was mainly a deep project discussion, with no fundamentals quiz.

Project experience

  1. What is the principle of Speculative Decoding? How do you pair large and small models? Did you fine-tune?
  2. What levels of CUDA operator optimization did you do?
  3. In the project, how did Dense vs MoE models differ in inference implementation? How was Expert Parallelism (EP) implemented?
  4. What research direction did you mainly work on in the lab?

Coding

  1. On-site problem (basic difficulty).