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2024 Notable System Changes: Summit and HPSS

HPSS Decommission and Kronos Availability After decades in service and having served hundreds of users that have archived over 160 petabytes, HPSS is reaching end of its life and will be decommissioned early in 2025. Please pay attention to the following key dates as you migrate workloads from the center’s…
Katie Bethea
August 22, 2024
Technology

Jupyter Has Landed at the OLCF

To analyze and process scientific data, researchers often employ Jupyter notebooks, interactive web documents that host snippets of code written in statistical programming languages such as Python (or R or Julia). Domain scientists, mathematicians, data scientists, and educators use the Jupyter tool suite to analyze and visualize data, iteratively prototype codes,…
Rachel McDowell
December 22, 2020
Technology

OLCF Offers New Workload Capabilities with Slate Service

The large scientific simulations users at the Oak Ridge Leadership Computing Facility (OLCF) run on the center’s IBM AC922 Summit supercomputer almost always require other attendant tasks to fully realize their scientific impact. Resources for these additional “workflow” tasks can be scarce, and pushing this work to the login or…
Rachel McDowell
March 27, 2020
PeopleTechnology

Ready for Science: Summit Completes System Acceptance

A year-long acceptance process for the 200-petaflop, IBM AC922 Summit supercomputer at the US Department of Energy’s Oak Ridge National Laboratory (ORNL) is complete. Acceptance testing ensures that the supercomputer and its file system meet the functionality, performance, and stability requirements agreed upon by the facility and the vendor. To…
Katie Elyce Jones
December 20, 2018