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.

Don’t get left out of the Pythia Cook-off—register by this Sunday!

July 15, 2025

Registration closes soon, on Sunday, July 20, so sign up to secure your spot! The 2025 Pythia Cook-off will take place at the NSF NCAR Mesa Lab in Boulder, CO, from Tuesday, August 5 to Friday, August 8. The Cook-off is a fully in-person hackathon dedicated to the development of Pythia Cookbooks. It offers a unique opportunity to enhance Python programming, communication, collaboration, and...

HPC System Maintenance July 22-23 2025

July 14, 2025

All HPC resources will be down July 22-23 to allow for network upgrades required for improved Derecho file system performance as well as to perform PBS server and configuration upgrades. Derecho, Casper, and JupyterHub will be down July 22 and 23. PBS scheduler reservations will be put in place prior to the maintenance window, and all queued jobs will resume after system checkout. Globus wil...

Read the article: CISL's new software engineering section delivers “a fresh approach”

July 14, 2025

The Computing and Information Systems Laboratory (CISL) at NSF NCAR has launched a new software engineering section. This initiative aims to tackle complex scientific challenges by making software run faster and more efficiently on modern computing architectures. The new section emphasizes collaborative, team-based development for critical infrastructure; optimizing existing software for speed...

University instructors: Use NSF NCAR computing resources in your university courses

July 8, 2025

Do you teach a university class? Consider applying for a classroom allocation on Derecho. As part of NSF NCAR’s mission to support atmospheric science and education, faculty and instructors at any two- or four-year U.S. institution can use HPC and analysis resources from NSF NCAR in their courses in Earth systems science and related areas. Classroom allocations can also be used for shorter-t...

Don’t miss your chance to register for the Project Pythia Cook-off!

July 8, 2025

Registration closes soon—sign up by Sunday, July 20 to secure your spot! The 2025 Pythia Cook-off will take place at the NSF NCAR Mesa Lab in Boulder, CO, from Tuesday, August 5 to Friday, August 8. The Cook-off is a fully in-person hackathon dedicated to the development of Pythia Cookbooks. It offers a unique opportunity to enhance Python programming, communication, collaboration, and educ...

Reminder: Acknowledge NSF NCAR and CISL support in your publications

June 30, 2025

Acknowledge the support of NSF NCAR and CISL computing when you publish your research results—this helps ensure continued support from the U.S. National Science Foundation and other sources of funding for future high-performance computing systems. It is also one of the requirements of receiving an allocation, as was noted in your award letter. The reporting requirements and recommended wordin...