Ryzen

Ryzen is Zen microarchitecture.]] Its goal is to directly compete with Intel's Broadwell-E processor line, primarily the Core i7-6900K.

Firmware
Microcode/firmware updates to be determined...

GCC
GCC 6.3 has support for the znver1 compiler optimization. For optimal performance, this can be enabled in.

GCC 6.3 is not presently optimised for Ryzen.

While GCC 5.4 does not support zen core specific optimisation -march=haswell has been shown to be functional and stable

External resources

 * http://www.phoronix.com/scan.php?page=article&item=amd-ryzen-znver1&num=1 - Phoronix compiler optimization benchmarks for Ryzen 7.