Lassen
Lassen is similar to the classified Sierra system, but smaller in size: 23 petaflops peak performance vs. Sierra's 125 petaflops peak performance. Lassen was ranked #10 on the June 2019 Top500 list.
Zone | CZ | ||||||||
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Vendor | IBM | ||||||||
CPU Clock Speed (GHz) | 3.5 | ||||||||
Nodes |
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CPUs |
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GPUs |
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Memory |
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Peak Performance |
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OS | RHEL | ||||||||
Interconnect | IB EDR | ||||||||
Recommended location for parallel file space | /p/gpfs1 | ||||||||
Program | ASC+M&IC | ||||||||
Year Commissioned | 2018 | ||||||||
Compilers | |||||||||
Documentation |
*Login nodes: lassen[708-709]
NOTE: most numbers are for compute nodes only - not login or service nodes.