Function conv1d_backward_dw 

pub fn conv1d_backward_dw<T: Triton, D: Num, const KL: i32, const STRIDE: i32, const PAD: i32, const BLOCK_OL: i32>(
    dy_ptr: T::Pointer<D>,
    x_ptr: T::Pointer<D>,
    dw_ptr: T::Pointer<D>,
    _B: i32,
    C_IN: i32,
    C_OUT: i32,
    L: i32,
    OL: i32,
)
where
    T::I32Tensor: Tensor<i32, 1> + Comparison<i32, BoolTensor = T::BoolTensor>,
    T::BoolTensor: BitAnd<Output = T::BoolTensor>,
    T::Pointer<D>: AddOffsets<i32, 1, T::I32Tensor, Output = T::Tensor<T::Pointer<D>>>,

1-D convolution backward pass — gradient with respect to weights (dw).

Grid: pid = (b * C_OUT + c_out) * num_ol_tiles + ol_tile

dw must be zero-initialised before launch.