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.

Xdev tutorial March 10: Numpy
March 3, 2021

The NCAR Xdev team will host the next in a series of one-hour tutorials at 1 p.m. MST on Wednesday, March 10: Numpy. This is an introduction to essential Numpy functionality. For more information or to sign up for events and updates, visit the Xdev blog.

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Default Campaign Storage permissions changed
January 29, 2021 Updated: March 2, 2021

Based on strong user feedback, CISL has changed the default group write permissions on Campaign Storage directories. The changes were implemented on Wednesday, January 27. Previously, any user who was a member of a Campaign Storage directory’s POSIX group could overwrite or delete files in the directory even if they were not the files’ owner. This allowed valuable data to be inadvertently lost....

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New NCAR supercomputer to be built by Hewlett Packard Enterprise
January 27, 2021 Updated: March 2, 2021

NCAR has announced that Hewlett Packard Enterprise (HPE) will build the next supercomputer to be installed at the NCAR-Wyoming Supercomputing Center in Cheyenne, Wyoming.  The HPE Cray EX cluster will be delivered in the fall of 2021 and will become operational in early 2022. The 19.87-petaflops system, which NCAR plans to name soon, is expected to deliver about 3.5 times the scientific through...

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XSEDE workshop March 2: GPU Programming Using OpenACC
February 10, 2021 Updated: March 2, 2021

Registration is open for an OpenACC GPU programming workshop presented on March 2 by XSEDE and the Pittsburgh Supercomputing Center (PCU). It will be a good learning opportunity for users of NCAR’s next supercomputer, which will get 20% of its sustained computing capability from GPUs. The workshop assumes participants have some knowledge of either C or Fortran programming. It will have a hands-...

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VAPOR 3D visualization tutorial March 17
March 2, 2021

Registration is open for a free VAPOR visualization tutorial from 2 to 3 p.m. MDT on Wednesday, March 17. Attendees will learn about principles of 3D visualization and see a demonstration of some of those principles. VAPOR is the Visualization and Analysis Platform for Ocean, Atmosphere, and Solar Researchers. It provides an interactive 3D visualization environment that can also produce animati...

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Casper changes coming to improve throughput, simplify job scheduling
February 22, 2021 Updated: March 2, 2021

Two major changes to improve job throughput and simplify job scheduling will be made to the Casper cluster during the system maintenance downtime scheduled for March 9-10. As announced late last year, 64 nodes will be added to the system and configured similarly to Casper’s existing non-GPU nodes. This expansion will enable high-throughput computing (HTC) on Casper for batch jobs and tasks that...

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This material is based upon work supported by the National Center for Atmospheric Research, a major facility sponsored by the 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.