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selu_backward

teeny_kernels::nn::activation::elu

Function selu_backward 

Source 
pub fn selu_backward<T: Triton, D: Float, const BLOCK_SIZE: i32>(
    dy_ptr: T::Pointer<D>,
    x_ptr: T::Pointer<D>,
    dx_ptr: T::Pointer<D>,
    n_elements: i32,
)
where
    T::I32Tensor: Tensor<i32, 1> + Comparison<i32, BoolTensor = T::BoolTensor>,
    T::Pointer<D>: AddOffsets<i32, 1, T::I32Tensor, Output = T::Tensor<T::Pointer<D>>>,
Expand description

Backward: dx = SCALEdy if x > 0 else dy * SCALEALPHA*exp(x)