LLVM 2.2 Released
performance geek writes "LLVM 2.2 was released yesterday! This is the thirteenth public release of the open-source compiler that started as a GCC fork. LLVM supports several aggressive optimizations, in compile-, link- and run-time, and often produces faster (1.5-3x) code than GCC. It is also much faster than GCC at compiling (despite the slow link-time optimizations). Gentoo users are already trying to build the whole system with the LLVM toolchain to get the extra performance bit."
Of course the Gentoo users are off recompiling there whole system for the extra performance. It's what they do - why use your computer when you can make it .242% faster with only 15 hours of compiling?