In the film Arrival, the heptapods are depicted as experiencing time as flat and producing whole sentences in one shot.

“uh yeah right you don't know what you're doing until the end where you're like oh that mess of nouns and then the verb well the most classic one that most people be have heard of is arrival where um they have the heptapods where they they think uh their time is like flat to them so they think in they they they output entire sentences at one shot um so it's as closest to the difference between autoregression and diffusion we talk in autoregression”