[Gigachad]

Speed has usually mattered less to me than memory usage. Most Ruby applications are speed limited by the database rather than Ruby. But when you have a bunch of background workers, every one chewing 2+ gb of memory stacks up.

I wrote one production Rust service and more impressive than the speed was that the thing ran on 30MB memory.

[faangguyindia]

I use Go for the same reason, but it seems php can use even less memory.