Function launch_kernel 

pub fn launch_kernel<R: Runtime, Alg: Algorithm>(
    client: &ComputeClient<R::Server>,
    input: &MatmulInputHandleRef<'_, R>,
    weight: &MatmulInputHandleRef<'_, R>,
    bias: &Option<TensorHandleRef<'_, R>>,
    out: &TensorHandleRef<'_, R>,
    problem: ConvolutionProblem,
    selection: MatmulSelection,
    dtypes: MatmulElems,
) -> Result<(), ConvSetupError>
where
    InputArg<Alg::Args>: ConcreteInputsFactory,
    OutputArg<Alg::Args>: ConcreteOutputFactory,