anybody has a plan to rewrite this algorihtm to pure pytorch (likes hash-nerf/pure-torch-ngp to instant-ngp/.cu version), slower a little bit is ok for me? (too many .cu)

[yuedajiong]

as title

[xyp8023]

I think this one might be what you are looking for: https://github.com/zhaofuq/Instant-NSR