They went from a language with a factor of forty cost compared to C++ to one with a factor of four cost. They saw a factor of ten improvement in CPU utilization

They went from a language with a factor of forty cost compared to C++ to one with a factor of four cost. They saw a factor of ten improvement in CPU utilization. Seems like all Go really brought to the table here was speed. I don't see any evidence that its unusual features were a factor, besides its base-level increased efficiency.