Does using handlebars partials affect performance

Does using partials affect the performance at which the templates are built. Like I was thinking about using partials to build a theme by making each reusable part a component, similar to what we do in react. So like we could have a button partial with a context text and use it like {{> button text="Subscribe"}} . So this means that this partial will be used fairly extensively.

So what I wanted to know was, is ghost doing some optimisation for this, like pre rendering partials like these ? Also, is this considered something that’s inside the intended usecase of partials ?