Perlmutter (supercomputer)

{{Infobox custom computer

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| Dates = From 2021

| Operators = Lawrence Berkeley National Laboratory

| Sponsors = United States Department of Energy

| Location = National Energy Research Scientific Computing Center

| Architecture = Nvidia A100 GPUs, AMD Milan CPU

| Memory = 256 GiB/node

| Storage = 35 PB, 5 TB/s Shared all-flash Lustre Filesystem{{cite web

| url=https://www.datacenterdynamics.com/en/news/nersc-finalizes-contract-perlmutter-supercomputer/

| title=NERSC finalizes contract for Perlmutter supercomputer

| date=5 May 2020

| publisher=Datacenter Dynamics

| accessdate=2020-10-15

}}

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| OS = Custom Linux-based kernel

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| Purpose = Nuclear fusion simulations, climate projections, material and biological research and computational cosmology

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| Website = {{URL|1=https://www.nersc.gov/systems/perlmutter/}}

}}

Perlmutter (also known as NERSC-9) is a supercomputer delivered to the National Energy Research Scientific Computing Center of the United States Department of Energy as the successor to Cori.{{cite web|url=https://www.datacenterdynamics.com/news/lawrence-berkeley-install-perlmutter-supercomputer-featuring-crays-shasta-system/|title=Lawrence Berkeley to install Perlmutter supercomputer featuring Cray's Shasta system|publisher=Data Centre Dynamics| last=Moss | first=Sebastian|date=30 October 2018 |access-date=13 January 2019}} It is being built by Cray and is based on their Shasta architecture which utilizes Zen 3 based AMD Epyc CPUs ("Milan") and Nvidia Tesla GPUs. Its intended use-cases are nuclear fusion simulations, climate projections, and material and biological research.{{cite web|url=https://blogs.nvidia.com/blog/2018/10/30/gpus-nersc-perlmutter-berkeley-national-lab-supercomputer/|title=GPUs to Power Perlmutter, NERSC's New Supercomputer - NVIDIA Blog|date=30 October 2018|publisher=}} Phase 1, completed May 27, 2022,{{cite web|url=https://www.nersc.gov/news-publications/nersc-news/nersc-center-news/2021/berkeley-lab-deploys-next-generation-supercomputer-perlmutter-bolstering-u-s-scientific-research|title=Berkeley Lab Deploys Next-Gen Supercomputer, Perlmutter, Bolstering U.S. Scientific Research|date=27 May 2022|publisher=NeRSC}} reached 70.9 PFLOPS of processing power.{{cite web|url=https://www.nersc.gov/systems/perlmutter/|title=Perlmutter|date=|publisher=NeRSC}}

It is named in honor of Nobel prize winner Saul Perlmutter.