> Most obviously, if your study claims that C++ uses 34% more energy, 56% more time, and 14% more memory than C, it’s time to reexamine your assumptions. Approximately every C program is a valid C++ program, so C++ can’t lose, especially not that badly!

Benchmarking software is so easy to do wrong. It's so easy to manipulate the results if you are so inclined, and even when you're trying to be evenhanded it's so easy to disadvantage one of the systems under test.

Different approaches are called for with different tools, and the classic error we see over and over again in benchmarking studies is the inappropriate application of idioms which suit one of the competitors across the others.