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Power monitoring on ARM-based HPC clusters: experiences from young and old

Since 2011 the EU Mont-Blanc project pushes the development of ARM-based compute platforms following the vision of leveraging the fast growing market of mobile technology for performing scientific computation. The process started almost 6 years ago with the development of prototypes based on Android dev-kits and it is now evolving beyond the research project, towards commercial computational platforms based not only on mobile SoCs, but also on server and HPC technology.

In this talk I will introduce the experience gained developing prototypes based on ARM technology within the Mont-Blanc project. Special attention will be given to the power monitoring infrastructures deployed on ARMv7 and ARMv8 clusters, looking at power consumption data as the first step towards energy efficiency on existing systems.

The goal of the talk is to give a panoramic view of ARM based scientific computing, supported by experience, lesson learned and test results.