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.
None planned for Cheyenne, Casper, GLADE, Campaign Storage, Quasar, Stratus, or JupyterHub.
NCAR’s HPC resources will be unavailable to users January 17-20 while CISL staff reconfigure the high-performance network to accommodate the Derecho supercomputer and perform urgent maintenance on Cheyenne’s cooling infrastructure. Progress will be communicated through Notifier emails during the week. The network maintenance will make all of the following resources temporarily unavailable durin...
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. MST on Tuesday, January 3. 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...
CISL recommends running small jobs that use only CPUs on the Casper cluster’s high-throughput computing (HTC) nodes. Casper has 64 HTC nodes specifically for running small batch jobs. It also has: • More shared resources than the Cheyenne share queue. • A far higher concurrent-use limit for CPU cores than Cheyenne: 468 vs. 36. • More available memory, plus NVMe swap for overflow. See Starting ...
Are you a researcher or other user who needs help working with NCAR’s Cheyenne and Casper systems? You can get expert help a number of different ways, from submitting a help ticket any time to calling or even scheduling an appointment with a CISL supercomputing consultant. For details, go to ncar.pub/HPC-user-support on the NCAR/CISL Advanced Research Computing portal. You’ll find our HPC user ...