The End of Error: Unum Computing: Chapman & Hall/CRC Computational Science
Autor John L. Gustafsonen Limba Engleză Hardback – 27 iul 2017
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Specificații
ISBN-13: 9781138402195
ISBN-10: 1138402192
Pagini: 438
Dimensiuni: 178 x 254 mm
Greutate: 0.96 kg
Ediția:1
Editura: CRC Press
Colecția Chapman and Hall/CRC
Seria Chapman & Hall/CRC Computational Science
ISBN-10: 1138402192
Pagini: 438
Dimensiuni: 178 x 254 mm
Greutate: 0.96 kg
Ediția:1
Editura: CRC Press
Colecția Chapman and Hall/CRC
Seria Chapman & Hall/CRC Computational Science
Public țintă
Professional Practice & DevelopmentRecenzii
"The author of the present book believes that it is time to supplement the century-old floating point arithmetic with something better: unum arithmetic. The book covers various operations with unum arithmetic and topics like polynomial evaluation, solving equations, two-body problem, etc. The appendices give a glossary of unum functions, ubox functions, and some algorithm listings."
—Zentralblatt MATH 1320
"This book is an extraordinary reinvention of computer arithmetic and elementary numerical methods from the ground up. Unum arithmetic is an extension of floating point in which it is also possible to represent the open intervals between two floating point numbers. This leads to arithmetic that is algebraically much cleaner, without rounding error, overflow underflow, or negative zero, and with clean and consistent treatment of positive and negative infinity and NaN. These changes are not just marginal technical improvements. As the book fully demonstrates, they lead to what can only be described as a radical re-foundation of elementary numerical analysis, with new methods that are free of rounding error, fully parallelizable, fully portable, easier for programmers to master, and often more economical of memory, bandwidth, and power than comparable floating point methods. The book is exceptionally well written and produced and is illustrated on every page with full-color diagrams that perfectly communicate the material. Anyone interested in computer arithmetic or numerical methods must read this book. It is surely destined to be a classic."
—David Jefferson, Center for Advanced Scientific Computing, Lawrence Livermore National Laboratory
"John Gustafson’s book The End of Error presents the ideas of computer arithmetic in a very easy-to-read and understandable form. While the title is provocative, the content provides an illuminating discussion of the issues. The examples are engaging, well thought out, and simple to follow."
—Jack Dongarra, University Distinguished Professor, University of Tennessee
"John Gustafson presents a bold and brilliant proposal for a revolutionary number representation system, unum, for scientific (and potentially all other) computers. Unum’s main advantage is that computing with these numbers gives scientists the correct answer all the time. Gustafson is able to show that the universal number, or unum, encompasses all standard floating-point formats as well as fixed-point and exact integer arithmetic. The book is a call to action for the next stage: implementation and testing that would lead to wide-scale adoption."
—Gordon Bell, Researcher Emeritus, Microsoft Research
"Reading more and more in [John Gustafson’s] book became a big surprise. I had not expected such an elaborate and sound piece of work. It is hard to believe that a single person could develop so many nice ideas and put them together into a sketch of what perhaps might be the future of computing. Reading [this] book is fascinating."
—Ulrich Kulisch, Karlsruhe Institute of Technology, Germany
—Zentralblatt MATH 1320
"This book is an extraordinary reinvention of computer arithmetic and elementary numerical methods from the ground up. Unum arithmetic is an extension of floating point in which it is also possible to represent the open intervals between two floating point numbers. This leads to arithmetic that is algebraically much cleaner, without rounding error, overflow underflow, or negative zero, and with clean and consistent treatment of positive and negative infinity and NaN. These changes are not just marginal technical improvements. As the book fully demonstrates, they lead to what can only be described as a radical re-foundation of elementary numerical analysis, with new methods that are free of rounding error, fully parallelizable, fully portable, easier for programmers to master, and often more economical of memory, bandwidth, and power than comparable floating point methods. The book is exceptionally well written and produced and is illustrated on every page with full-color diagrams that perfectly communicate the material. Anyone interested in computer arithmetic or numerical methods must read this book. It is surely destined to be a classic."
—David Jefferson, Center for Advanced Scientific Computing, Lawrence Livermore National Laboratory
"John Gustafson’s book The End of Error presents the ideas of computer arithmetic in a very easy-to-read and understandable form. While the title is provocative, the content provides an illuminating discussion of the issues. The examples are engaging, well thought out, and simple to follow."
—Jack Dongarra, University Distinguished Professor, University of Tennessee
"John Gustafson presents a bold and brilliant proposal for a revolutionary number representation system, unum, for scientific (and potentially all other) computers. Unum’s main advantage is that computing with these numbers gives scientists the correct answer all the time. Gustafson is able to show that the universal number, or unum, encompasses all standard floating-point formats as well as fixed-point and exact integer arithmetic. The book is a call to action for the next stage: implementation and testing that would lead to wide-scale adoption."
—Gordon Bell, Researcher Emeritus, Microsoft Research
"Reading more and more in [John Gustafson’s] book became a big surprise. I had not expected such an elaborate and sound piece of work. It is hard to believe that a single person could develop so many nice ideas and put them together into a sketch of what perhaps might be the future of computing. Reading [this] book is fascinating."
—Ulrich Kulisch, Karlsruhe Institute of Technology, Germany
Notă biografică
Dr. John L. Gustafson is an applied physicist and mathematician. He is a former Director at Intel Labs and former Chief Product Architect at AMD. A pioneer in high-performance computing, he introduced cluster computing in 1985 and first demonstrated scalable massively parallel performance on real applications in 1988. This became known as Gustafson’s Law, for which he won the inaugural ACM Gordon Bell Prize. He is also a recipient of the IEEE Computer Society’s Golden Core Award. Find more details on his website.
Cuprins
Part 1 A New Number Format: The Unum: Overview. Building up to the unum format. The original sin of computer arithmetic. The complete unum format. Hidden scratchpads and the three layers. Information per bit. Fixed-size unum storage. Comparison operations. Add/subtract, and the unbiased rounding myth. Multiplication and division. Powers. Other important unary operations. Fused operations (single-use expressions). Trial runs: Unums face challenge calculations. Part 2 A New Way to Solve: The Ubox: The other kind of error. Avoiding interval arithmetic pitfalls. What does it mean to solve an equation? Permission to guess. Pendulums done correctly. The two-body problem (and beyond). Calculus considered evil: Discrete physics. The end of error. Glossary. For further reading. Appendices. Index.
Descriere
The 2000 edition of this long running and highly respected series, contains the best papers from the Ergonomics Society Annual Conference in 2000. The individual papers provide insight into current practice, presents new research findings, and forms an invaluable reference source.
In addition to mainstream ergonomists and human factors specialists, Contemporary Ergonomics 2000 will appeal to all those who have an interest in peoples' interaction with their working and leisure environment - including designers, manufacturing and production engineers, health and safety specialists, occupational, applied and industrial psychologists and applied physiologists.
In addition to mainstream ergonomists and human factors specialists, Contemporary Ergonomics 2000 will appeal to all those who have an interest in peoples' interaction with their working and leisure environment - including designers, manufacturing and production engineers, health and safety specialists, occupational, applied and industrial psychologists and applied physiologists.