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T1 Large companies and unicorns Kuaishou New grad Round 1

Kuaishou AI Infra campus hire first round

Real Kuaishou AI Infra campus-hire first-round interview questions covering AI Infra topics

Theory

  1. How do you use Profiling tools to find performance bottlenecks? (watch bandwidth utilization, pipeline bubbles, instruction-level time, etc.)
  2. What blocking strategies exist for Matmul? How do you pick a good tile size?

Project deep dive

  1. Go deep on the project; the interviewer will follow up on details.

Live coding

  1. Count trailing zeros in n!.
  2. Given a stock-price array, find the maximum profit from one buy and one sell.