Public Documentation for US ATLAS Shared Tier 3/Analysis Facilities

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Introduction to the US ATLAS Shared Tier 3s

US ATLAS hosted two shared Tier 3 at BNL and SLAC, also known as Analysis Facilities. These two faclities are available to all US ATLAS physicists and computer scientists. They are orgniazed and managed to support US ATLAS users' need on computing resources, including login, run interactive and batch jobs, access ATLAS data, store private data, etc.

These two facilities also support tools specific for users analysis, including ATLAS/CERN software in CVMFS, Grid middleware, Rucio clients, Machine Learning packages, MPI, Jupyter Lab with PyROOT, Xcache with auto data discovery, GPUs, etc.

The two facilites are backed by staffs to support software environment, unix systems and storages.

Under constrcutions below: