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T3 Chips and hardware Samsung Round 1

Samsung AI Infra first round (3)

Real Samsung AI Infra first-round interview questions covering operator optimization

Operator optimization

The following is what Samsung AI Infra first-round interviews covered, with four interviewers taking turns.

Project and basics

  1. English self-intro
  2. Deep project questions
  3. Common STL containers: use and differences
  4. BFS and DFS: ideas and when to use them

Compilers

  1. IR (intermediate representation) transform flow in a compiler

Operator optimization

  1. Common operator-fusion strategies
  2. How Attention operators are implemented
  3. Softmax formula and numerical stability
  4. Convolution operator optimizations

Data structures

  1. Topological sort: idea and implementation