Phoronix takes a look at the AMD Bulldozer processor with GCC, Open64, LLVM/Clang compilers

Now having looked at the AMD Bulldozer FX-8150 performance on Linux, as well as how it's scaling across multiple cores/modules, in this article are results when building a variety of benchmarks under the popular compilers. The tested compilers were GCC, LLVM/Clang, and AMD Open64, including different revisions of these open-source compilers.

  AMD Bulldozer With GCC, Open64, LLVM/Clang Compilers