I really want to know what the optimizations might have looked like had they used a profiler like scalene [0] to find where the unnecessary copying was happenin

I really want to know what the optimizations might have looked like had they used a profiler like scalene [0] to find where the unnecessary copying was happening. [0] https://github.com/plasma-umass/scalene https://github.com/plasma-umass/scalene