So all this, plus the details in the doc, imply that the Go GC isn't very good. Just an amateur opinion: I do not think Go the language is suitable for a copy

So all this, plus the details in the doc, imply that the Go GC isn't very good. Just an amateur opinion: I do not think Go the language is suitable for a copying collector and all GCs that are generational require copying (although it would be good to be wrong). This makes escape analysis a win.