> Anything else is wasteful. Everything has a cost. If the developer is a slave to machine architecture, development is slow and error prone. If the machine

> Anything else is wasteful. Everything has a cost. If the developer is a slave to machine architecture, development is slow and error prone. If the machine is a slave to a abstraction, everything will run slowly. Unsurprisingly, the real trick is finding appropriate balance for your situation. Of course you can make things worse, in both directions.