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.

Consulting Services staff attending May 2-6 Cray conference
April 22, 2022

Several members of CISL’s Consulting Services Group will participate in the annual Cray Users’ Group conference May 2-6 in preparation for delivery of the Derecho supercomputing system. Response times for support tickets submitted via NCAR's Research Computing help desk will likely be longer than usual during this period. We appreciate your patience and cooperation throughout the week. 

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HPC best practice: Load modules in your batch job scripts
April 22, 2022

Some Cheyenne users have recently reported some application slowdown when using the MPT library. These slowdowns were traced to using binaries that were compiled with mpt/2.22 in jobs that load the now-default mpt/2.25 MPI library. Incompatibilities between the remote-data transfer backends of each MPT version explain this substandard performance seen in certain workflows. This scenario illustr...

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Registration open for next GPU workshop
April 19, 2022

Registration is open for another session in a series of workshops and tutorials on GPU computing. “Hands-On Session Using OpenACC in MPAS-A” will be on Thursday, April 28, at 10 a.m. MDT. Please use this form to register by April 22 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 students in the Ea...

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No system downtimes for week of April 18-22
April 18, 2022

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

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“What About Model Data?” workshop scheduled for July
April 14, 2022

The EarthCube Research Coordination Network project has scheduled a “What About Model Data?” workshop at the University of North Dakota, Grand Forks, on July 25-27, 2022. The workshop will focus on tackling open issues in preservation, sharing, and curation of data and software from research that utilizes simulations. Questions to be addressed include: • How can simulation data and software cur...

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Making international data accessible for atmospheric research
April 13, 2022

Atmospheric researchers around the world depend on getting quick access to timely, usable data, and thousands of them turn to the NCAR Research Data Archive (RDA) to get what they need. Some 3,600 users have downloaded 2.7 petabytes of data via web access alone in the past 15 months. To make that possible, CISL’s RDA data engineers and curators download, process, archive, and make massive data ...

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This material is based upon work supported by the National Center for Atmospheric Research, a major facility sponsored by National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.