CISL Daily Bulletin

The Daily Bulletin delivers news about CISL’s high-performance computing environment, training opportunities, scheduled maintenance, and other events of interest to the user community. To get the Daily Bulletin by email, use this link to subscribe.

Updated: Conda/Python documentation for NCAR HPC users

December 21, 2022

A new, expanded version of the documentation for using Conda and Python on NCAR HPC systems is now available. In addition to other changes, Using Conda and Python includes details about the new update schedule for the NCAR Python Library as well as information to help researchers decide whether to use the managed environments CISL provides or create their own environments. Please contact HPC Us...

Tutorial for new HPC users now online

December 21, 2022

Video and slides from the December 13 tutorial presented by Mea Trahan of the CISL Consulting Services Group are now available here. The tutorial introduces new users to the Cheyenne high-performance computing system and the Casper cluster for data analysis, visualization, and machine learning. Topics covered include: • What HPC systems are available at NCAR and how to access them • Basics of j...

New deadline 12/27: Apply soon for early-2023 Open Hackathon

December 19, 2022

NCAR, NOAA, NVIDIA and OpenACC.org are hosting an Open Hackathon on February 21 (an online-only introduction) and February 28 through March 2 at the NCAR Mesa Lab in Boulder (hybrid format). Open Hackathons are opportunities for scientists and research software engineers to collaborate with expert mentors from national labs, universities, and industry leaders to accelerate their high-performanc...

Survey seeks data on scientists’ research software funding needs

December 19, 2022

A survey by the Research Software Funders Forum is focused on understanding the needs of scientists with regard to funding the development and enhancement of research software and associated ecosystems, including training, education, and policy. The goal is to strengthen the software infrastructure aimed specifically at supporting research. The survey is estimated to take about five minutes. Da...

No system downtimes for week of December 19 - 23

December 19, 2022

None planned for Cheyenne, Casper, GLADE, Campaign Storage, Quasar, Stratus, or JupyterHub.

Match your memory request to your job’s needs

December 15, 2022

A lot can go wrong if a job you try to run on NCAR’s HPC systems requires more memory than what’s available on the nodes you want. If you request a lot more memory than you need, on the other hand, your job may be slow to start. What do you do? CISL provides several options to help you determine how much memory your program is using so you can request the right amount and avoid problems. See Ch...