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> https://github.com/traveller59/spconv/pull/480
> > > > > > > > > #480 > > Howdo you use PointToVoxel on GPU? PointToVoxel is correct on GPU!
init PointToVoxel after dataloader multiprocessing ``` class VoxelGen(): def __init__(*args): self._is_init = False def init(): self._is_init = True self.point2voxel = PointToVoxel(.....) def __call__(points): if not self._is_init: self.init() return self.point2voxel(points) ```