Use GPUs whereever you can → here & here for free
Comparison GPU with human brain → tweet
CPU vs GPU - very good and intuitive explanation of CPU vs GPU → tweet
GPU Glossary from modal with all that you possibly need to know collected from multiple important sources → link

<aside> 💡 If you have a GPU, use RAPIDS!

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GPU Basics

GPU-Performance bewerten - die wichtigsten Metriken

Rent a GPU

Installation of CUDA