Function max_pool3d 

pub fn max_pool3d<B: Backend>(
    input: Tensor<B, 5>,
    kernel_size: [usize; 3],
    stride: [usize; 3],
    padding: [usize; 3],
    dilation: [usize; 3],
    ceil_mode: bool,
) -> Tensor<B, 5>

Available on crate feature api only.

Maximum-pool native volumes using the backend’s volume operation.