def METHOD_NAME(env):
    result, _ = tune_kernel(*env,
                            smem_args=dict(size="block_size_x*4"),
                            verbose=True, lang="HIP")
    tune_params = env[-1]
    assert len(result) == len(tune_params["block_size_x"])
    result, _ = tune_kernel(
        *env,
        smem_args=dict(size=lambda p: p['block_size_x'] * 4),
        verbose=True, lang="HIP")
    tune_params = env[-1]
    assert len(result) == len(tune_params["block_size_x"])