I wrote G-WAN, a 160 KB Web app. server with ANSI C scripts.
G-WAN is (by far) faster than anything else ever published (in user-mode or in the kernel).
Compared to G-WAN, the BOOST C++ library is bloated, slow and its code is promoting obscurity to new heights.
That's probably for a reason:
"Within C++, there is a much smaller and cleaner language struggling to get out"
(Bjarne Stroustrup, proud MICROSOFT Windows user)