nerfacc
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about the gpu memory
When I was debugging the code, I found a problem: by modifying target_sample_batch_size, init_batch_size, render_step_size does not change the GPU memory footprint, only by modifying the network size, such as lowering net_depth, net_width will the GPU memory footprint be reduced.
Why does lowering the batch size not lead to a reduction in GPU memory usage?