I'm setting out to make something with a LOT of layers with a big image, before I start I am wondering if I will see any performance diffrerence between using a layered PSD. (prefered option for workflow) or using seperate images of the smallest possible size. Basically will the empt canvas areas on layers eat up any performance. Would I be better getting a workflow with individual files.
AE is a full buffer renderer and doesn't care how pixel data was provided/ generated once it's stored in its internal buffers. The only point of relevance would be file I/O considerations - many small files are more taxing than a single file with multiple internal data streams. That's entirely an operating system thing, though, and beyond AE's control.
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