General question bank
AI Infra mixed interview question bank (7)
Real AI Infra interview questions covering inference optimization and training optimization
Inference optimization Training optimization
Basics
- What are the mainstream acceleration approaches for large-model training and inference?
- Basic ideas of multi-node multi-GPU distributed training, and common frameworks
- Do you know DeepSpeed? What are its core features?
- How do you improve training efficiency along time and resource axes?
- If training is abnormally slow, what do you check?
- Communication bottlenecks in multi-node multi-GPU training, and how to optimize them
- How does gradient accumulation work?
- Common model quantization methods and inference acceleration schemes
- Have you optimized large-model training or inference performance on GPUs in practice?
- What can cause loss oscillation during training?