I'd heard about them allowing heterogeneous clusters ahead of time and I was wondering how that would work. Private L2s should do it, you really need to design

I'd heard about them allowing heterogeneous clusters ahead of time and I was wondering how that would work. Private L2s should do it, you really need to design the L2 to match the profile of the supported CPU(s) but with L3 the latencies are higher and there's less need to be specialized.