Intel Still Tidying Up Linux Support For Haswell
Phoronix: Intel Still Tidying Up Linux Support For Haswell
Intel will be introducing their Haswell processors in the coming months. If using the Linux 3.8 kernel, GCC 4.7/4.8, Mesa 9.1, and other recent open-source Linux packages, you should be mostly set for experiencing the full benefits of the Ivy Bridge successor. However, there's still a few pieces of Haswell's Linux support still being worked out...
i hope to god that Intel engineeres add some automagical compiler support for AVX2 and the TX memory instructions.