What does the operating system ever do for me? - Systems Challenges in Graph Analytics

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• Dr Tim Harris - Oracle Research Laboratories (Cambridge)
• Wednesday 18 May 2016, 14:00-15:00
• Lecture Theatre 1, Computer Laboratory.

If you have a question about this talk, please contact David Greaves.

Graphs are at the core of many data processing problems, whether that is searching through billions of records for suspicious interactions, ranking the importance of web pages based on their connectivity, or identifying possible “missing” friends on a social network. Using these workloads as examples, I will describe challenges in building efficient parallel implementations, and the ways in which the operating system is no longer providing effective abstractions of the underlying computer hardware. I will show how obtaining good performance and scalability requires careful control over the placement of computation and storage within a system, and an understanding of the structure of the data being processed. I will then talk about how I see the role of the operating system evolving in distributed “rack scale” systems.

This talk is part of the Wednesday Seminars - Department of Computer Science and Technology series.

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