I've also worked in finance and nobody I've known reaches for C++ for performance over C - only convenience/comfort. For performance, one examines the compiled

I've also worked in finance and nobody I've known reaches for C++ for performance over C - only convenience/comfort. For performance, one examines the compiled output, analyze the instructions, try to prevent pipeline stalls, etc. And if the compiler is generating dissastisfactory code, use assembly for those parts.