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.
Due to the continued worldwide shortfall in semiconductor supplies, the delivery of Derecho to NCAR will be further delayed by approximately six months. HPE’s new delivery date for Derecho is now mid-June 2022. Following Derecho’s delivery, HPE and CISL will begin the system’s installation and testing effort that will require approximately two months to complete. CISL will then begin formal acc...
None planned for Cheyenne, Casper, Glade, Campaign Storage, Quasar, Stratus, or JupyterHub.
New versions of many software packages – including netCDF, HDF5, NCO, CDO, GDAL, R, Singularity, and CMake – have been installed on both Cheyenne and Casper. In addition, new releases of MPT (version 2.25) and Arm Forge (version 21.1.1) have been installed, resolving known bugs relating to collective parallel IO and memory debugging, respectively. The parallel IO bug in MPT affects versions 2.2...
The Cheyenne system’s compute nodes will be unavailable for running batch jobs for three days beginning the morning of Tuesday, December 28. The downtime is necessary to allow CISL staff to perform thorough testing of the recently installed power system components to support Derecho and other associated systems. Cheyenne’s login nodes and the Casper cluster are expected to be available througho...
To better support user-maintained Python environments and unify the user experience across terminal and JupyterHub sessions, CISL now provides Python support via the conda package manager. Cheyenne and Casper users – either new to conda or more experienced – can take advantage of our new conda module, which can be used to activate environments without any shell initialization. The module also p...