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.

CSG Help Desk Closed for Thanksgiving Break.

November 21, 2023

Please note that the Consulting Services Group (CSG) will be closed over the long weekend, and accordingly the Help Desk will be shut down as well. The Help Desk will close on Thursday, November 23, and reopen Monday, November 27 to resume its normal hours (7:30 AM to 5:00 PM Mountain Time, Monday to Friday). The Help Desk serves both NCAR and UCAR, so please plan your projects accordingly....

Cheyenne Countdown: Let’s be thankful for the chance to switch to Derecho.

November 20, 2023

It’s almost time for the annual Thanksgiving feast! This year, we recommend you enjoy all that celebration with a generous helping of migration. Cheyenne is retiring very soon—December 31, 2023—to be replaced by Derecho, a new supercomputer 3.5 times as powerful. Isn’t progress great? However, all Cheyenne users must transition their supercomputing projects to Derecho by 12/31, or risk losing...

No system downtimes for week of November 20 - 24

November 17, 2023

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

Where to run small, CPU-only jobs?

November 16, 2023

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: • Shared resources rather than dedicated Derecho nodes. • More available memory, plus NVMe swap for overflow and local storage. • Direct PBS cross-submission from Derecho. See Starting Casper jobs w...

NCAR receives HPCwire award at SC23

November 13, 2023

CISL is receiving an award from HPCwire, a prominent and well-established news and information resource covering high-performance computing. NCAR has won the organization’s Readers’ Choice Award in the category of Best Use of High Performance Data Analytics. HPCwire will present the award to CISL in-booth at the SC23 conference, on Tuesday at 10am in the NCAR/CISL booth (#1517), with Scott P...

NCAR Staff Participating in the Annual Supercomputing Conference - Potentially Slowed Response Times

November 13, 2023

The annual International Conference for High Performance Computing, Networking, Storage, and Conference is occurring this week in Denver, CO, with strong participation from much of NCAR’s CISL staff. We will continue to monitor system performance and help desk tickets during this time, however response times may be delayed.