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.
All users of the Cheyenne and Casper systems are invited to the NCAR HPC User Group (NHUG) monthly meeting from 9 to 10 a.m. MDT on Tuesday, June 7. To contribute to the agenda or submit questions for the next meeting, please visit Slido, where you can also upvote topics and questions submitted by your peers. NHUG meetings are structured to encourage you to ask questions and voice concerns and...
Registration is open for another session in a series of workshops and tutorials on GPU computing. “Hands-On Session with NSight Systems and NSight Compute” will be on Thursday, June 16, at 10 a.m. MDT. Please use this form to register by June 12 if you plan to attend and have not already registered for the series. The series of one-hour sessions is for scientists, software engineers, and stud...
None planned for Cheyenne, Casper, GLADE, Campaign Storage, Quasar, Stratus, or JupyterHub.
HPC user documentation on NCAR’s Advanced Research Computing (ARC) portal is temporarily accessible only from UCAR networks, including the UCAR VPN for offsite access. This also applies to the related knowledge base and to wiki.ucar.edu. Due to an undisclosed security vulnerability with Atlassian's Confluence systems, the vendor recommended restricting access until the issue can be addressed. W...
New software releases have been installed on Cheyenne and Casper, including the following compilers and tools, listed with associated modules: • Arm Forge – arm-forge/22.0.2 • GCC – gnu/12.1.0 • NVIDIA HPC SDK – nvhpc/22.05 • Open MPI – openmpi/4.1.4 Standard libraries like netCDF, pnetCDF, FFTW, and PIO have been compiled with the new compiler and MPI versions. For GPU users, the new nvhpc mo...
Update: PBS was returned to service before 9:30 a.m. MDT. The PBS scheduling system for submitting Cheyenne jobs halted at approximately 7 a.m. MDT today. System engineers are troubleshooting the issue. As of 9 a.m. MDT, no estimate is available for when the system might be returned to service. Updates will be sent via our Notifier system when more information is available and when system fun...