I can see that you'd probably have to take care on mobile and older platforms, and with resource-heavy games. But I have difficulty imaging that there'd be much

I can see that you'd probably have to take care on mobile and older platforms, and with resource-heavy games. But I have difficulty imaging that there'd be much issue with anything else, as long as the code wasn't overly terrible. Do you happen to know of any benchmarks, or non-anecdotal evidence?