If you work smartly , there's no inherent conflict between abstraction and efficiency. For example , here's a DARPA project - which uses Chisel to implement an

If you work smartly , there's no inherent conflict between abstraction and efficiency. For example , here's a DARPA project - which uses Chisel to implement an efficient version of the risc-V microprocessors, in an abstract, very productive manner: http://people.eecs.berkeley.edu/~bora/Conferences/2015/ESSCIRC15.pdf http://people.eecs.berkeley.edu/~bora/Conferences/2015/ESSCI...