computer science

Perlmutter (supercomputer)

Perlmutter (supercomputer) is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Perlmutter (supercomputer) rather than just read about it. In short: 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. It is being built by Cray and is based on their Shasta architecture which utilizes Zen 3 based AMD Epyc CPUs ("Milan") and Nvidia Ampere GPUs .

Key takeaways

Perlmutter (supercomputer) belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Perlmutter (supercomputer) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Perlmutter (supercomputer) from memory before moving on to harder problems.

Reference excerpt

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. It is being built by Cray and is based on their Shasta architecture which utilizes Zen 3 based AMD Epyc CPUs ("Milan") and Nvidia Ampere GPUs . Its intended use-cases are nuclear fusion simulations, climate projections, and material and biological research. Phase 1, completed May 27, 2022, reached 70.9 PFLOPS of processing power. It is named in honor of Nobel prize winner Saul Perlmutter.

References

Worked examples

Example 1 — a first encounter with Perlmutter (supercomputer)

Start with the simplest possible case. Write down what Perlmutter (supercomputer) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Perlmutter (supercomputer) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Perlmutter (supercomputer) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Perlmutter (supercomputer)

In research: Perlmutter (supercomputer) appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Perlmutter (supercomputer) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Perlmutter (supercomputer) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer hardware stubs, Cray products, GPGPU supercomputers, so understanding it makes those chapters shorter.
In everyday life: Look for Perlmutter (supercomputer) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Perlmutter (supercomputer) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Perlmutter (supercomputer) means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Perlmutter (supercomputer) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Perlmutter (supercomputer) in simple terms?

Why does Perlmutter (supercomputer) matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Perlmutter (supercomputer)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Perlmutter (supercomputer).