> To this day I have the nervous tick of initializing arrays with zeros even in numpy. I dunno - I wouldn’t call that a nervous tick. If you know or have a goo

> To this day I have the nervous tick of initializing arrays with zeros even in numpy. I dunno - I wouldn’t call that a nervous tick. If you know or have a good idea of how much memory you need, then it only seems polite to let the runtime/OS know ahead of time. I think of it like RSVP’ing to a dinner party. Host is very appreciative when they know how many people they’re serving.