[amluto]

> > Yes, and that's both memory and cpu usage that isn't needed No, it literally is not. The "memory" is just entries in a page table in the kernel and MMU. It shouldn't worry you at all.

Only if you never free one of those stacks. TLB flushes can be quite expensive.

[cmrdporcupine]

Fair enough, though it's not like an async tasks runner doesn't have its own often relatively expensive book-keeping.