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The Enterprise End User Summit is an exclusive invitation-only event that brings together high performance end users with the highest level Linux community developers. CTOs, architects, senior IT representatives and kernel developers are able to connect directly to advance the features most critical to using Linux in the enterprise.

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Wednesday, May 15 • 4:00pm - 5:00pm
Bare-Metal Multicore Performance in a General-Purpose Operating System - Paul McKenney, IBM

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 A constant refrain over the decades from database, high-performance computing (HPC), and real-time developers has been: "Can't you just get the kernel out of the way?". Recent developments in the Linux kernel are paving the way to just that ideal: Linux is there whenever you need it, but if you follow a few simple rules, it is completely out of your way when you don't need it.Pau

This adaptive-idle approach will provide bare-metal multicore performance and scalability to databases as well as to HPC and real-time applications. However, it is at the same time able to improve energy efficiency for upcoming asymmetric multicore systems, allowing these systems to better support workloads with extreme peak-to-mean utilization ratios. This talk will describe how this feat is accomplished and how it may best be used.

avatar for Paul E. McKenney

Paul E. McKenney

Distinguished Engineer, IBM
Paul E. McKenney is a Distinguished Engineer with the IBM Linux Technology Center, where he maintains the RCU implementation within the Linux kernel. He has been coding for four decades, more than half of that on parallel hardware. His prior lives include the DYNIX/ptx kernel at Sequent, networking protocols at SRI International, and work as a self-employed contract programmer on soft-realtime projects. His hobbies include what passes for running... Read More →

Wednesday May 15, 2013 4:00pm - 5:00pm
Main Dining Room

Attendees (4)