Online / 5 & 6 February 2022

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Open source tooling in High-Energy Physics Software


Particle physics experiments have often had a pioneering role in the use of open source software. In this talk we review the current scientific software ecosystem, with particular emphasis on the tooling to build and deploy the typical software stack of an experiment.

Particle colliders are powered by software, from the simulations supporting their design to the systems controlling the running experiment, and would not be feasible without organizing community efforts into open source projects like Geant4 (simulation of the passage of particles through matter), ROOT (general I/O and analysis toolkit), CVMFS (software deployment) and Indico (event organization) and the python tools of the Scikit-HEP project. However, the numerous libraries have exploded the software stack of new experiments and require often complex dependency management and build tooling. We show how the Spack package manager can adress these problems and make building complex experiment stacks easy and accessible to everyone.

Speakers

Valentin Volkl

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