LLVM/Clang 3.3 Very Competitive To GCC 4.8
The MD5 performance for John The Ripper is slightly improved with LLVM/Clang 3.3.
GCC 4.8 regressed for Himeno over GCC 4.7.2 on the Intel Core i7 Extreme Edition system while the LLVM/Clang performance was right in line with GCC 4.7.
Compilation times continue to be much lower for LLVM/Clang over GCC.
GCC 4.8 improves the performance of the C-Ray multi-threaded ray-tracer.