CMS Software and Computing: Ready for Run 2
Kenneth Bloom

TL;DR
This paper discusses how CMS upgraded its software and computing systems during Long Shutdown 1 to handle higher data rates and challenges in Run 2 of the LHC, ensuring continued physics leadership.
Contribution
It details the improvements made to CMS software and computing infrastructure during Long Shutdown 1 to meet the increased demands of Run 2.
Findings
Enhanced software performance for higher trigger rates
Improved data processing and simulation capabilities
Maintained CMS's leadership in physics research
Abstract
In Run 1 of the Large Hadron Collider, software and computing was a strategic strength of the Compact Muon Solenoid experiment. The timely processing of data and simulation samples and the excellent performance of the reconstruction algorithms played an important role in the preparation of the full suite of searches used for the observation of the Higgs boson in 2012. In Run 2, the LHC will run at higher intensities and CMS will record data at a higher trigger rate. These new running conditions will provide new challenges for the software and computing systems. Over the two years of Long Shutdown 1, CMS has built upon the successes of Run 1 to improve the software and computing to meet these challenges. In this presentation we will describe the new features in software and computing that will once again put CMS in a position of physics leadership.
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Taxonomy
TopicsDistributed and Parallel Computing Systems · Scientific Computing and Data Management · Particle physics theoretical and experimental studies
