[quantummkv]

> Certainly can't be any less efficient than that. Or can it..?

Oh it can be. I get 100-110 mb at the most. I really don't think that you will be able to push it beyond 250 mb.

[delta1]

I think you may have misread his comment :)

> can't be any less efficient than that

"can't be more inefficient than that"

[e_proxus]

For me the combined processes of Spotify on macOS 10.13.4 (Activity Monitor → Memory + View → All Processes, Hierarchically) takes ~ 400Mb.

Virtual memory is close to 5 Gb, perhaps OP was looking at that.