>only allowed to use one core< Only "allowed" by who? If you mean that "the Go program in question" is by-design a sequential program then -- yes of course it

>only allowed to use one core< Only "allowed" by who? If you mean that "the Go program in question" is by-design a sequential program then -- yes of course it is! The contributed Go programs that were written for multi-core use more than one core -- http://benchmarksgame.alioth.debian.org/u32q/program.php?test=fannkuchredux&lang=go&id=1 http://benchmarksgame.alioth.debian.org/u32q/program.php?tes...