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Duncan Hall


Duncan Hall is a professional engineer specialising in informatics and cybersecurity.

Currently he is with the New Zealand Ministry of Foreign Affairs and Trade (MFAT).

He has worked in the private sector, big science, and in voluntary capacities for various not-for-profits.


Research Gate


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Why aren’t we there yet? 

The journey to Exascale COTS computing

Duncan Hall – IMD Strategy and Planning Manager

Ministry of Foreign Affairs & Trade, Wellington, New Zealand

Thursday 20 February 2020 – 2:30 pm



The Green500 list, published biannually alongside the Top500 list, ranks the energy efficiency of the top 500 or so supercomputers (whose data is made public) by FLOPS per Watt.

I continue to analyse Green500 data to forecast likely trajectories towards Exascale (~10^18 FLOPS) Commercial Off The Shelf (COTS) computing.



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