I think the point of the essay is that we shouldn’t immediately assume that going to C is the best way to speed up part of a Ruby system. It might be conventio

I think the point of the essay is that we shouldn’t immediately assume that going to C is the best way to speed up part of a Ruby system. It might be conventional wisdom to break out to C for the speed gain, but a purpose made, hand written piece of Ruby, with JIT optimizations, and be a better/faster solution.