True, but also a tautology. Instead, I'd say that Rust & C are close enough, speed-wise, that (1) which one is faster will depend on small details of the parti

True, but also a tautology. Instead, I'd say that Rust & C are close enough, speed-wise, that (1) which one is faster will depend on small details of the particular use case, or (2) the speed difference will matter less than other language considerations.