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Re:YOLOv5 on CPUs: Sparsifying to Achieve GPU-Level Performance by outlace on Friday September 10, 2021 @04:52PM (#28486748)
“That said, GPUs are essential for training”

http://learningsys.org/neurips19/assets/papers/18_CameraRead...

Re:YOLOv5 on CPUs: Sparsifying to Achieve GPU-Level Performance by zekrioca on Friday September 10, 2021 @05:50PM (#28487295)
Read parent's (emphasis mine):

> Even without sparsification, AVX-512 CPUs are far more cost-effective for inference.