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The modern trend of extensive levels of hardware parallelism and heterogeneity pushes software to evolve through a paradigm shift towards concurrent data processing architectures. One such striking example in the domain of high-energy physics is represented by Gaudi — an experiment independent software framework, used in two of four major experiments of the Large Hadron Collider project, and in several...
The High Luminosity LHC (HL-LHC) is a project to increase the luminosity of the Large Hadron Collider to 5 · 1034 cm−2 s−1. The CMS experiment at CERN is planning a major upgrade in order to cope with an expected average number of overlapping collisions per bunch crossing of 140. A key element of this upgrade will be the introduction of tracker information at the very first stages of the trigger system...
Software engineering is undergoing a paradigm shift in order to accommodate new CPU architectures with many cores, in which concurrency will play a more fundamental role in programming languages and libraries. Development of new models and specialized software frameworks is needed to assist LHC scientists in developing their software algorithms and applications that allow for maximally parallel execution...
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