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T0 Big tech Alibaba

Alibaba AI Infra (2)

Real Alibaba AI Infra interview questions covering operator optimization and related topics

Operator optimization

Fundamentals

  1. What are the design philosophies of MLIR versus TVM, and the main differences?
  2. In TVM, what roles do Relay scheduling primitives and TIR scheduling primitives play, and how do they differ?
  3. For single-operator performance, what common methods exist (e.g. GEMM / Conv strategies)?

Project experience

  1. Introduce your projects systematically, including tech choices and implementation.
  2. What concrete MLIR and TVM work did you do that appears on the resume?
  3. What did you try for performance gains? Tie it to real scenarios.