What should a ‘cache’ be? It means a lot of things, but to my mind the default programming type should be:“keep around expensive-to-generate bits of read-only data in case we need them again, or until the computer really needs that RAM for something else”I was writing a custom video editing program in Python (interesting choice of language for that problem) and I wanted to cache decoded frames; but I just wasn’t happy with the memory management of explicit caches.  It means making a decision about how much RAM to ring-fence for something without having g...