>not using Unikernels

year of our lord 2014

http://anil.recoil.org/papers/2013-asplos-mirage.pdf

>>6

Single root can point to a lot of memory (gigabytes). Collecting it would produce noticeable pause (GUI would become unresponsive).

And you can't simply abandon GC, because manual memory management would break security and require protected address space again.