Function launch_kernel 

pub fn launch_kernel<R: Runtime, Rt: Routine>(
    client: &ComputeClient<R>,
    out_grad: InputBinding<R>,
    weights: InputBinding<R>,
    in_grad: TensorBinding<R>,
    problem: ConvolutionProblem,
    blueprint_strategy: &BlueprintStrategy<RuntimeArgs, Rt::MatmulRoutine>,
    dtypes: MatmulElems,
) -> Result<(), ConvSetupError>
where
    Rt::Args: ConcreteArgs<Rt::MatmulRoutine>,