Climbing the Summit with Open Source and POWER9
In June 2018, the POWER9-based Summit supercomputer benchmarked as the world's fastest. The journey to this milestone started over 4 years ago and has seen the IBM OzLabs team drive the use of Open Source with POWER9. POWER9 was a huge shift in functionality from previous designs. The new design introduced completely new interrupt controller and memory management architectures, and upgrades to IO, like next-generation PCIE and new acceleration interfaces - NVLink and OpenCAPI. To take this highly technical, innovative and complex system from early concept through to the top of the supercomputer world required not only bucket loads of code, but organisational and risk management. In this talk, we'll share our experiences of this journey and show how Open Source is used with POWER9.