OpenPCDet Toolbox for LiDAR-based 3D Object Detection.
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I run the training on AWS EC2 instance, g4dnx12large with Tesla T4 gpu (4x16) gpu memory. batch_size=8 is ok. But the training was still kind of slow, the multi-gpu communication is slower and does not use NVLink. It's expensive though, $4/hr. Better to use P3 multi-GPU instances, it uses NVLink f...