https://m.thaiware.com/tips/2138.html
AWS' TPU (tensor processing unit)/NPU service is AWS Trainium: https://aws.amazon.com/machine-learning/trainium/
CPU vs GPU vs TPU: https://medium.com/super-ai-engineer/gpu-tpu-%E0%B8%84%E0%B8%B7%E0%B8%AD%E0%B8%AD%E0%B8%B0%E0%B9%84%E0%B8%A3-%E0%B8%84%E0%B8%A7%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%AD%E0%B8%B0%E0%B9%84%E0%B8%A3%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3-train-model-%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B9%81%E0%B8%99%E0%B9%88-1b652666cbbf
