Is std::ifstream significantly slower than FILE?

Question

I\'ve been informed that my library is slower than it should be, on the order of 30+ times too slow parsing a particular file (text file, size 326 kb). The user suggested th

Answer 1

I agree that you should profile. But if you're reading the file a character at a time, how about creating a memory-mapped file? That way you can treat the file like an array of characters, and the OS should take care of all the low-level buffering for you. The simplest and probably fastest solution is a win in my book. :)