So if you're editing, you're perfectly fine working, say ProRes 422, or ProRes LT. When it renders for you, what should it be rendering to? Ideally you want to select a codec that your computer can play back, but that's also at the quality level that you need to work with. What we're looking for for the render cache is this option here, render cache format, where they're using the user cache or the smart cache is render cache format tells Resolve what codec you want to render to. So here are a bunch of our different options that we'll be coming back to throughout the rest of this chapter.

And in our master settings, if you scroll down, you're going to see a section called optimize media and render cache. So what we're going to do is open up our project settings, shift nine. The render cache is a per project setting. Now, before we talk about the differences, let's talk about the similarities. They don't both operate at the same time, but you can switch between them freely. And you can only select one or the other. In Resolve land, the render cache is actually two different caching systems, the smart cache and the user cache. Now, if the render cache sounds like you're creating renders, that's exactly what you'll be doing. If the GPU status indicator turns red when you're dropping frames, even after you've enabled performance mode, then the render cache is a good option to consider.

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