3 ms·

Ruby is one of the slowest languages you can think of, while Javascript on V8 is only 2.3X slower than C++ (median). http://shootout.alioth.debian.org/u32/whic

by rorrr 14y ago

Ruby is one of the slowest languages you can think of, while Javascript on V8 is only 2.3X slower than C++ (median). http://shootout.alioth.debian.org/u32/which-programs-are-fastest.php http://shootout.alioth.debian.org/u32/which-programs-are-fas... What I'm really surprised is that they got such a huge gain. Most projects I've worked on are DB or I/O bound. Maybe they store everything in RAM.

jamesaguilar 14y ago
They probably fixed query design issues at the same time as they moved implementations. It strikes me as hilariously unlikely that LinkedIn was CPU-bound.
ikailan 14y ago
It was a huge gain because the original Rails servers were running on single threaded Mongrel and blocking on cross data center IO.