It runs pretty well on a Pentium 4. I wrote the Starfield screensaver for Serenity (poorly) and it pegs the P4, for what it's worth. It's runs great in QEMU on

It runs pretty well on a Pentium 4. I wrote the Starfield screensaver for Serenity (poorly) and it pegs the P4, for what it's worth. It's runs great in QEMU on any modern CPU.