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Sierra (supercomputer)

Sierra or ATS-2 is a supercomputer built for the Lawrence Livermore National Laboratory for use by the National Nuclear Security Administration as the second Advanced Technology System. It is primarily used for predictive applications in nuclear weapon stockpile stewardship, helping to assure the safety, reliability, and effectiveness of the United…

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Location
Lawrence Livermore National Laboratory
Active
Since 2018
Architecture
IBM POWER9 CPUs Nvidia Tesla V100 GPUs Mellanox EDR InfiniBand
Memory
2–2.4 PiB
Operating system
Red Hat Enterprise Linux
Operators
National Nuclear Security Administration

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Overview

Advanced semantic analysis

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Map overview Semantic statistics

Sierra (supercomputer)

Nodes15
Edges14
Triples11
Avg. degree1.87
Density0.133333
Components1

How this topic connects Entity context

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Sierra (supercomputer)

Top relations

Active · 1
Sierra (supercomputer) → Since 2018
Architecture · 1
Sierra (supercomputer) → IBM POWER9 CPUs Nvidia Tesla V100 GPUs Mellanox EDR InfiniBand
Location · 1
Sierra (supercomputer) → Lawrence Livermore National Laboratory
Memory · 1
Sierra (supercomputer) → 2–2.4 PiB
Operating system · 1
Sierra (supercomputer) → Red Hat Enterprise Linux
Operators · 1
Sierra (supercomputer) → National Nuclear Security Administration
Power · 1
Sierra (supercomputer) → 11 MW
Purpose · 1
Sierra (supercomputer) → Nuclear weapon simulations
Ranking · 1
Sierra (supercomputer) → TOP500: 20, June 2025
Speed · 1
Sierra (supercomputer) → 125 petaflops (peak)

Important terminology Word statistics

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Important terminology

sierra gpus system ibm nodes nuclear tesla supercomputer national laboratory cpus november 2018 infiniband power9 top500 built second two four

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Sierra (supercomputer)ActiveSince 20181.00infobox
Sierra (supercomputer)ArchitectureIBM POWER9 CPUs Nvidia Tesla V100 GPUs Mellanox EDR InfiniBand1.00infobox
Sierra (supercomputer)LocationLawrence Livermore National Laboratory1.00infobox
Sierra (supercomputer)Memory2–2.4 PiB1.00infobox
Sierra (supercomputer)Operating systemRed Hat Enterprise Linux1.00infobox
Sierra (supercomputer)OperatorsNational Nuclear Security Administration1.00infobox
Sierra (supercomputer)Power11 MW1.00infobox
Sierra (supercomputer)PurposeNuclear weapon simulations1.00infobox
Sierra (supercomputer)RankingTOP500: 20, June 20251.00infobox
Sierra (supercomputer)Speed125 petaflops (peak)1.00infobox
Sierra (supercomputer)Websitehpc.llnl.gov/hardware/compute-platforms/sierra1.00infobox

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    Min side: 3
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