def METHOD_NAME(inspec_and_axis, nnabla_opts):
    inspec, axis = inspec_and_axis
    fb = FunctionBenchmark(
        PF.layer_normalization, inspec, [], dict(),
        nnabla_opts.ext, nnabla_opts.ext_kwargs)
    fb.benchmark()
    fb.write(writer=nnabla_opts.function_benchmark_writer)