"If, by 2015, 64-Bit ARM makes it within striking distance of x86 server processor performance [...]" There isn't a big enough rolleyes in the universe. ARM's

"If, by 2015, 64-Bit ARM makes it within striking distance of x86 server processor performance [...]" There isn't a big enough rolleyes in the universe. ARM's sink-or-swim pitch points will be will be power consumption and density. Competition on performance isn't even a choice. x86 server buys, today, are often about how much RAM I can get in a rack unit. If Aarch64 servers can get enough RAM tied to a chip, and make memory access fast enough, there's a pitch to be made based on ultra low-power, high-density virt hosts. If they can't, they remain novelties for "hyperscale" hosting of static content and toy sites.