The software is designed to help put Zen under the bonnet of high-performing servers to turn GPUs and CPU combos into servers. If it all pays off AMD could be back in the server market after losing it totally to Chipzilla.
ROCm provides a base for the company to build GPUs for large-scale servers. It is a low-level programming framework like Nvidia's CUDA. But it's open source and can work with a wide range of CPU architectures like ARM, Power, and x86.