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^ Get Free Ebook Hacker's Delight (2nd Edition), by Henry S. Warren

Get Free Ebook Hacker's Delight (2nd Edition), by Henry S. Warren

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Hacker's Delight (2nd Edition), by Henry S. Warren

Hacker's Delight (2nd Edition), by Henry S. Warren



Hacker's Delight (2nd Edition), by Henry S. Warren

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Hacker's Delight (2nd Edition), by Henry S. Warren

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

 

  • Sales Rank: #48513 in Books
  • Brand: Warren, Henry S., Jr.
  • Published on: 2012-10-05
  • Original language: English
  • Number of items: 1
  • Dimensions: 9.20" h x 1.30" w x 6.20" l, .0 pounds
  • Binding: Hardcover
  • 512 pages

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.

Most helpful customer reviews

25 of 25 people found the following review helpful.
Very, very useful
By Edward Jennings
Well written and (relatively) concise book. It contains numerous techniques for efficiently managing binary data and various examinations of bitwise arithmetic.

The algorithms explained are detailed and useful. I've used a number of them 'in anger' and they've worked perfectly. I haven't come across any other book that addresses the field as well as this one does.

18 of 20 people found the following review helpful.
excellent book of hacks
By hardly_b
The book is full of useful bit-twiddling tricks. How do you quickly count the number of bits set in a 2's complement long integer? If you can't imagine caring, then this book isn't for you, but if you need to write fast, low-level code on occasion, the price of the book will be repaid the first time you find a clear explanation of some trick, instead of having to figure it out for yourself. It's a more polished, restricted version of Hackmem, which I also recommend.

12 of 13 people found the following review helpful.
A version upgrade
By Erebus
Hacker's Delight first edition was resourceful. This second edition even more so.

The bit manipulation chapters have lots of hints on how to code without branches.

There are some "scary" math on later chapters but you can ignore it.

See all 32 customer reviews...

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