Results are here:
https://docs.google.com/spreadsheet/ccc?key=0AvvkdgVbWvpZdHFudzdDT3NuYTRNTHlZZzRGZWYzMmc&usp=drive_web#gid=0

Basically C++11 `for` and `std::for_each` have almost the same perf. Perhaps C++11 `for` is a tiny bit faster.