computer science

Mark N. Wegman

Mark N. Wegman 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 Mark N. Wegman rather than just read about it. In short: Mark N. Wegman is an American computer scientist known for his contributions to algorithms and compiler optimization.

Key takeaways

Mark N. Wegman 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 Mark N. Wegman to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Mark N. Wegman from memory before moving on to harder problems.

Reference excerpt

Mark N. Wegman is an American computer scientist known for his contributions to algorithms and compiler optimization. Wegman received his B.A. from New York University and his Ph.D. from the University of California, Berkeley. He joined IBM Research in 1975, where he currently serves as head of Computer Science. He is a member of the IBM Academy of Technology and a Fellow of the Association for Computing Machinery (1996) and the Institute of Electrical and Electronics Engineers. He became an IBM Fellow in 2007. He was elected to the National Academy of Engineering in 2010. Wegman is best known for being one of the inventors of the Static-single assignment form, which is used in the analysis portion of most if not all modern optimizing compilers. This work was recognized by SIGPLAN in 2006 with its Programming Languages Achievement Award. He has also made contributions to algorithms and information theory including universal hashing and the LZMW data compression algorithm.

References

External links IBM profile

Worked examples

Example 1 — a first encounter with Mark N. Wegman

Start with the simplest possible case. Write down what Mark N. Wegman 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 Mark N. Wegman 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 Mark N. Wegman 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 Mark N. Wegman

In research: Mark N. Wegman 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 Mark N. Wegman 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: Mark N. Wegman is common in secondary-school and first-year university syllabi. It links to neighbouring topics American computer scientists, Fellows of the Association for Computing Machinery, Fellows of the IEEE, so understanding it makes those chapters shorter.
In everyday life: Look for Mark N. Wegman 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 Mark N. Wegman in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Mark N. Wegman 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 Mark N. Wegman out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Mark N. Wegman in simple terms?

Mark N. Wegman is an American computer scientist known for his contributions to algorithms and compiler optimization.

Why does Mark N. Wegman 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 Mark N. Wegman?

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 Mark N. Wegman.