Well-designed libraries usually trump poorly-designed libraries, performance-wise, regardless of which language they're implemented in. C++ isn't a magic bullet

Well-designed libraries usually trump poorly-designed libraries, performance-wise, regardless of which language they're implemented in. C++ isn't a magic bullet; it's plenty easy to write bloated, poorly-performing software in C++, just as it is in Java, C#, Ruby, etc. Here's just one counterexample to your claims: http://stackoverflow.com/questions/4257659/c-sharp-versus-c-performance/19505716#19505716 http://stackoverflow.com/questions/4257659/c-sharp-versus-c-...