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.

Deadline March 22 for university large-scale allocation requests
February 3, 2021 Updated: March 4, 2021

CISL is now accepting large-scale allocation requests from university-based researchers for the 5.34-petaflops Cheyenne supercomputer and the Casper data analysis and visualization cluster. Those requests are due March 22. Cheyenne will continue in operation through mid-2022. Allocations for NCAR’s recently announced next-generation supercomputer that will become operational early in 2022 will ...

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NSC allocation requests are due March 24
February 2, 2021 Updated: March 4, 2021

NCAR researchers and computational scientists are encouraged to submit requests for NCAR Strategic Capability (NSC) projects to be run on the Cheyenne system. Requests will be accepted through March 24. NSC allocations target large-scale projects lasting one year to a few years that align with NCAR’s scientific priorities and strategic plans. Cheyenne will continue in operation through mid-2022...

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New documentation for using MATLAB in parallel
February 1, 2021 Updated: March 4, 2021

New CISL documentation is now available to help users leverage MATLAB’s Parallel Computing Toolbox and Parallel Server to speed up their computations on the Cheyenne system. The toolbox enables single-node parallelism, while the server enables parallelism across nodes. Some setup is required to correctly and optimally use these capabilities on Cheyenne. The documentation shows how to configur...

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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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Software updated on Cheyenne and Casper
January 21, 2021 Updated: March 2, 2021

 Version 2.23 of the MPT MPI library has been installed on the Cheyenne system, and julia/1.5.3 and pnetcdf/1.12.2 have been installed on both Cheyenne and Casper. These will become the default versions at the beginning of February, so users are encouraged to try them out now and update their workflows accordingly. 

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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.