Can you keep the cache render when closing project? (advice

Is there a way to keep the cached preview somehow after closing the project? Like in after effects, that when you reopen a project it does not have to render everything again? And is there something similar to ram preview in after effects? Right now I've only figured out that you have to play the timeline and it starts rendering...I really like fusion so far however I have the feeling that especially preview rendering while working on the project takes longer than in ae. So Some advice for good practice with preview rendering for the interactive view would be much appreciated! (like for example does enabling cache for certain tools makes sense if you're still working on the project...)

Thanks in advance!

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