Mapped but unused memory is imaginary (at least, on modern UNIX systems). It's n... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		piperswe 47 days ago \| parent \| context \| favorite \| on: Swift is a more convenient Rust (2023) Mapped but unused memory is imaginary (at least, on modern UNIX systems). It's not actually using any physical RAM.

atombender 47 days ago | [–]

That is true, but I don't see other applications consuming ever-increasing amounts of virtual memory, so to me it suggests a bug.

junon 47 days ago | [–]

Well, depends. Not always zero but in a good implementation not more than a few bytes per allocation, at most (if not zero).

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact