Hacker's Delight (2nd Edition) 2nd Edition

by Henry S. Warren (Author)

37 customer reviews

ISBN-13: 978-0321842688

ISBN-10: 0321842685

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In Hacker’s Delight, Second Edition, Hank Warren once again compiles an irresistible collection of programming hacks: timesaving techniques, algorithms, and tricks that help programmers build more elegant and efficient software, while also gaining deeper insights into their craft. Warren’s hacks are eminently practical, but they’re also intrinsically interesting, and sometimes unexpected, much like the solution to a great puzzle. They are, in a word, a delight to any programmer who is excited by the opportunity to improve.

Extensive additions in this edition include

A new chapter on cyclic redundancy checking (CRC), including routines for the commonly used CRC-32 code
A new chapter on error correcting codes (ECC), including routines for the Hamming code
More coverage of integer division by constants, including methods using only shifts and adds
Computing remainders without computing a quotient
More coverage of population count and counting leading zeros
Array population count
New algorithms for compress and expand
An LRU algorithm
Floating-point to/from integer conversions
Approximate floating-point reciprocal square root routine
A gallery of graphs of discrete functions
Now with exercises and answers

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From the Publisher



Title	The Pragmatic Programmer	How to Use Objects	Hacker's Delight	Effective Debugging
Author	Andrew Hunt, David Thomas	Holger Gast	Henry S. Warren	Diomidis Spinellis
Page Count	352	832	512	256
Pub Date	10/20/1999	12/15/2015	9/25/2012	6/23/2016
Binding	Paperback	Hardcover	Hardcover	Paperback
Series	None	None	None	Effective Software Development Series
Description	Straight from the programming trenches, The Pragmatic Programmer cuts through the increasing specialization and technicalities of modern software development to examine the core process--taking a requirement and producing working, maintainable code that delights its users. It covers topics ranging from personal responsibility and career development to architectural techniques for keeping your code flexible and easy to adapt and reuse.	"While most developers today use object-oriented languages, the full power of objects is available only to those with a deep understanding of the object paradigm. How to Use Objects will help you gain that understanding, so you can write code that works exceptionally well in the real world. Author Holger Gast focuses on the concepts that have repeatedly proven most valuable and shows how to render those concepts in concrete code. He explores crucial intricacies, clarifies easily misunderstood ideas, and helps you avoid subtle errors that could have disastrous consequences. "	Hank Warren once again compiles an irresistible collection of programming hacks: timesaving techniques, algorithms, and tricks that help programmers build more elegant and efficient software, while also gaining deeper insights into their craft. Warren’s hacks are eminently practical, but they’re also intrinsically interesting, and sometimes unexpected, much like the solution to a great puzzle. They are, in a word, a delight to any programmer who is excited by the opportunity to improve.	Diomidis Spinellis helps experienced programmers accelerate their journey to mastery, by systematically categorizing, explaining, and illustrating the most useful debugging methods, strategies, techniques, and tools. Drawing on more than thirty-five years of experience, Spinellis expands your arsenal of debugging techniques, helping you choose the best approaches for each challenge. He presents vendor-neutral, example-rich advice on general principles, high-level strategies, concrete techniques, high-efficiency tools, creative tricks, and the behavioral traits associated with effective debugging.

Editorial Reviews

Review

“This is the first book that promises to tell the deep, dark secrets of computer arithmetic, and it delivers in spades. It contains every trick I knew plus many, many more. A godsend for library developers, compiler writers, and lovers of elegant hacks, it deserves a spot on your shelf right next to Knuth. In the ten years since the first edition came out, it’s been absolutely invaluable to my work at Sun and Google. I’m thrilled with all of the new material in the second edition.”

— Joshua Bloch

“When I first saw the title, I figured that the book must be either a cookbook for breaking into computers (unlikely) or some sort of compendium of little programming tricks. It’s the latter, but it’s thorough, almost encyclopedic, in its coverage. The second edition covers two new major topics and expands the overall collection with dozens of additional little tricks, including one that I put to use right away in a binary search algorithm: computing the average of two integers without risking overflow. This hacker is indeed delighted!”

— Guy Steele

About the Author

Henry S. Warren, Jr., has had a fifty-year career with IBM, spanning from the IBM 704 to the PowerPC and beyond. He has worked on various military command and control systems and on the SETL (SET Language) project under Jack Schwartz. Since 1973, Hank has been with IBM’s Research Division, focusing on compilers and computer architectures. He currently works on a supercomputer project aimed at an exaflop. Hank received his Ph.D. in computer science from the Courant Institute at New York University.

Hardcover: 512 pages
Publisher: Addison-Wesley Professional; 2 edition (October 5, 2012)
Language: English
ISBN-10: 0321842685
ISBN-13: 978-0321842688
Product Dimensions: 6.5 x 1.2 x 9.2 inches
Shipping Weight: 1.8 pounds (View shipping rates and policies)
Average Customer Review: 37 customer reviews
Amazon Best Sellers Rank: #117,130 in Books (See Top 100 in Books)
- #35 in Books > Textbooks > Computer Science > Algorithms
- #89 in Books > Computers & Technology > Programming > Algorithms
- #155 in Books > Computers & Technology > Internet & Social Media > Hacking

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Mr Mike

Hackers Delight is a very good book for a very limited audience.

September 27, 2016

Format: HardcoverVerified Purchase

The value of this book is in it's shortcut for writing your own code for a microcontroller or generic processor. It contains many shortcuts that can be used at the machine code and c code level for general mathematics and bit detection and modification. There is a very good section on CRC mathematics and operations and error correction. However, a good knowledge of mathematical representation is desired since the book is not structured to make the information easy to understand. This would be a good book if you are trying to create complicated mathematical algorithms for a microprocessor or controller. I wouldn't recommend it for most programmers.

11 people found this helpful

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chrispyman

Magicgu, yo

March 22, 2018

Format: HardcoverVerified Purchase

Incredibly unique book. The techniques and algorithms are incredibly useful for embedded development, but I cannot speak to its usefulness on x86 and would advise against using many of these techniques on there where most of this is implemented in hardware.
What I got out of this:
Multiword multiplication for fast high precision fixed point on ARM chips that lack fpus, branchless integer min and max is very handy for Thumb mode, pre-computing magic numbers for division and modulus enables MUCH faster lookups in hash tables, the graphs of functions at the very end are super fascinating, and the superoptimizer this man wrote is very simple but incredibly fun to play with! I adapted it to use multithreading and it's helped me reduce some code to the simplest possible sequence. I've had special success in reducing switch cases or long conditions involving integer arithmetic.

Also I can definitely see uses for other things in the book, like the multibyte addition and the floating point chapter. Theres a little bit in there about the most famous bithack of them all. And the notation used is really clean.

This book is a gem and I hope we get more in the future. For now though I'll settle for leafing through and discovering the things I missed.

3 people found this helpful

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Eric Nichols

Optimized divide-by-7, negative and complex bases, Hilbert curves, and so much more

February 24, 2018

Format: HardcoverVerified Purchase

This is fun and useful assortment of low-level coding tricks/super-efficient algorithms. For instance, there are specialized algorithms for computing integer division-by-7. Who knows when this is useful, but if you need to do it super fast, use the algorithm in this book to shave off a bunch of cycles compared with floating-point division plus rounding. That's just a taste; there are explanations of super-optimized routines for popcount (counting the # of 1s in a binary word), all sorts of other binary operation tricks, stuff of grey codes, applications of Hilbert curves to binary codes, even exotic bases for number representations such as base -2 (negative 2) or even imaginary/complex bases (who knew these even existed?) Plenty more in here -- those are just some random fun topics. If these sound interesting, you need to read this book.

One person found this helpful

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paulb

Wonderful for embedded systems programmers.

October 3, 2015

Format: HardcoverVerified Purchase

I develop for embedded systems. Mostly in C, but sometimes in assembly. This book is fantastic. I just got it today and can't put it down. You may have picked up a few of these tricks along the line, but THIS is the definitive collection, and I plan to keep it right on my desk.

8 people found this helpful

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Felipe De la Peña

nice book, good for reviewing it once in a ...

February 13, 2016

Format: HardcoverVerified Purchase

nice book, good for reviewing it once in a while. Don't read before interviews, it might confuse you and most interviewers won't understand what you want to do. This is for very advanced and out-of-norm programmers

4 people found this helpful

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Josh

If nothing else, a good read.

September 6, 2018

Format: HardcoverVerified Purchase

Almost comedic in some of the bizarre voodoo this book provides. This is the closest thing to the Book of Shadows you'll ever get when it comes to niche and unique snippets of code for very specific circumstances.

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R. Koch

Awesome Book

April 14, 2016

Format: HardcoverVerified Purchase

Great book and truly a gem, but if your math is weak look somewhere else because you'll be confused and un satisfied leaving this book on your shelf gaining dust.

2 people found this helpful

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Great for assembly programmers

December 19, 2014

Format: HardcoverVerified Purchase

Great tips for low-level stack programmers. I have used some of these tricks in my assembly projects. The insight in this book is incredible.

4 people found this helpful

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