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A comment on Accelerated Computing Powering World’s Fastest Supercomputer. Parent comment

Re:Accelerated Computing Powering World’s Fastest Supercomputer by tntn on Friday June 08, 2018 @08:13PM (#17270755)
Summit node CPUs can access GPU memory coherently and unified memory allows for a single pointer across all processors. On most systems that involves page faults migrating pages, but summit has something called ATS that allows GPU to directly access all system memory.

https://vimeo.com/262870773/recommended

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Re:Accelerated Computing Powering World’s Fastest Supercomputer by Keyframe on Saturday June 09, 2018 @12:29AM (#17271545)
IBM integrated NVlink into their Power CPUs, well I'll be damned.
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