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.

NCAR HPC users invited to June 6 user group meeting

May 31, 2023

All NCAR HPC users are invited to the NCAR HPC User Group (NHUG) monthly meeting from 9 to 10 a.m. MDT on Tuesday, June 6. CISL staff will provide an update regarding availability testing for the Derecho system and will provide an overview of the GLADE-2 transition. The meeting will also touch on user feedback requests for future NHUG meetings. To contribute to the agenda or submit questions fo...

Optimizing I/O Tutorial for Lustre and Derecho File System

May 30, 2023

A virtual tutorial on optimizing I/O in serial and parallel applications will be hosted from 11:30 a.m. to 1:30 p.m. MT June 12-14 by the University of Texas, San Antonio. This three-day tutorial will help NCAR HPC users prepare for the upcoming transition to Derecho’s Lustre parallel file system. Topics will include parallel file systems (Lustre), MPI I/O, and I/O in the context of checkpointi...

No system downtimes for week of May 30 - June 2

May 30, 2023

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

June 2 is final deadline for Pythia Cook-off 2023

May 25, 2023

Learn how to create collections of Jupyter Notebooks called “cookbooks” for scientific workflows by attending the Project Pythia Cook-off June 20-23. The cook-off is open to participants with all experience levels who register by Friday, June 2. Participants may attend either in person at NCAR’s Mesa Laboratory in Boulder, Colorado, or remotely. Cookbooks provide educational context and Bind...

Registration open: Free research computing facilitation workshop

May 23, 2023

Registration is open and free for the Virtual Residency 2023 Summer Introductory Workshop on Research Computing Facilitation from June 26–30 via Zoom. The introductory workshop is intended for those who want to be more effective at helping researchers and educators use research cyberinfrastructure. The only prerequisite is having an interest in helping researchers with their computing-intens...

Derecho weekly update

May 22, 2023

Derecho’s Acceptance Test Phase (ATP) was paused last week to allow HPE system engineers to focus on debugging the system and to resolve job launch failures, Slingshot network issues, and performance variability. While HPE has fully resolved the job launch failures, we continue to observe performance variability of select workloads and HPE is working to resolve the remaining performance issues....