Roofline analysis was proposed by researchers at U.C. Berkeley and European labs as an insightful new model for performance optimization. It makes it easier to see if you are computation or memory bandwidth limited and then pick the appropriate tuning strategy.
A near term update to Intel Advisor will automate the collection of data for roofline analysis and present it in a chart that simplifies analysis of the results. Join us in the webinar to see a demonstration and an introduction to how to use roofline analysis to make your own code more efficient.