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  • Understanding Software Dynamics (Addison-Wesley Professional Computing Series)

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Understanding Software Dynamics (Addison-Wesley Professional Computing Series)

by Richard L. Sites (Author) Format: Paperback
4.9 out of 5 stars (45)

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An Expert Guide to Software Performance Optimization

From mobile and cloud apps to video games to driverless vehicle control, more and more software is time-constrained: It must deliver reliable results seamlessly, consistently, and virtually instantaneously. If it doesn't, customers are unhappy--and sometimes lives are put at risk. When complex software underperforms or fails, software engineers need to identify and address the root causes. This is difficult and, historically, few tools have been available to help.

In Understanding Software Dynamics, performance expert Richard L. Sites tackles the problem head on, offering expert methods and advanced tools for understanding complex, time-constrained software dynamics, improving reliability and troubleshooting challenging performance problems.

Sites draws on several decades of experience pioneering software performance optimization, as well as extensive experience teaching graduate-level developers. He introduces principles and techniques for use in any environment, from embedded devices to datacenters, illuminating them with examples based on x86 or ARM processors running Linux and linked by Ethernet. He also guides readers through building and applying a powerful, new, extremely low-overhead open-source software tool, KUtrace, to precisely trace executions on every CPU core. Using insights gleaned from this tool, readers can apply nuanced solutions--not merely brute-force techniques such as turning off caches or cores.
  • Measure and address issues associated with CPUs, memory, disk/SSD, networks, and their interactions
  • Fix programs that are always too slow, and those that sometimes lag for no apparent reason
  • Design useful observability, logging, and time-stamping capabilities into your code
  • Reason more effectively about performance data to see why reality differs from expectations
  • Identify problems such as excess execution, slow instruction execution, waiting for resources, and software locks
Understanding Software Dynamics will be valuable to experienced software professionals, including application and OS developers, hardware and system architects, real-time system designers, and game developers, as well as advanced students.

Register your book for convenient access to downloads, updates, and/or corrections as they become available. See inside book for details.
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  1. ISBN-10
    0137589735
  2. ISBN-13
    978-0137589739
  3. Edition
    1st
  4. Publisher
    Addison-Wesley Professional
  5. Publication date
    December 10, 2021
  6. Part of series
    Addison-Wesley Professional Computing
  7. Language
    English
  8. Dimensions
    7 x 1.15 x 9.1 inches
  9. Print length
    464 pages
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From the Publisher

Donald Knuth

"Sites and KUtrace met my 33-year-old one-second challenge."

Donald Knuth's praise for Richard Sites' Stanford Seminar "Making the Invisible Visible: Observing Complex Software Dynamics" and in reference to the low-overhead open-source software tool, KUtrace.

What is KUtrace?

KUtrace (Kernal-User Trace) is a Linux-based software facility that captures and timestamps every transition between user-mode and kernel-mode execution—every system call and return, interrupt and return, trap and return, and context switch. The CPU overhead is under 0.5% when doing 200,000 events per second per CPU core, so it is about 10x faster than a tool such as ftrace. Recording is into a pre-reserved kernel trace buffer of several megabytes.

Understanding Software Dynamics teaches you how to build the low-overhead KUtrace tool to record for any server what kernel or user code is executing on each CPU core every nanosecond—all programs, all operating system code, all interrupt handling, all idle loops, etc.

Editorial Reviews

Review

"Complex software often uses threads, events, and I/O to produce results. Even intermittent performance bugs can lead to functional failures when results are time sensitive. Here Sites shares his methods from decades of experience as a real-world performance detective to enable you to approach the deduction skills of an IT Sherlock Holmes."
―Mark D. Hill, Partner Hardware Architect at Microsoft and Professor Emeritus at the University of Wisconsin-Madison

"I think that any senior CS student or professional can benefit by reading this book. While all the material in the first half of the book leads up to the use of KUTrace, the first two parts are worth reading on their own by anyone who wants to better understand the systems they are building and using."―Rik Farrow, ;login

About the Author

Richard L. Sites wrote his first computer program in 1959 and has spent most of his career at the boundary between hardware and software, with a particular interest in CPU/software performance interactions. His past work includes VAX microcode, DEC Alpha co-architect, and inventing the performance counters found in nearly all processors today. He has done low-overhead microcode and software tracing at DEC, Adobe, Google, and Tesla. Dr. Sites earned his PhD at Stanford in 1974; he holds 66 patents and is a member of the US National Academy of Engineering.

Product details

  • Publisher ‏ : ‎ Addison-Wesley Professional
  • Publication date ‏ : ‎ December 10, 2021
  • Edition ‏ : ‎ 1st
  • Language ‏ : ‎ English
  • Print length ‏ : ‎ 464 pages
  • ISBN-10 ‏ : ‎ 0137589735
  • ISBN-13 ‏ : ‎ 978-0137589739
  • Item Weight ‏ : ‎ 2 pounds
  • Dimensions ‏ : ‎ 7 x 1.15 x 9.1 inches
  • Part of series ‏ : ‎ Addison-Wesley Professional Computing
  • Best Sellers Rank: #741,034 in Books (See Top 100 in Books)
  • Customer Reviews:
    4.9 out of 5 stars (45)

About the author

Follow authors to get new release updates, plus improved recommendations.
Richard L. Sites

Richard L. Sites

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Richard L. Sites wrote his first computer program in 1959 and has spent most of his career at the boundary between hardware and software, with a particular interest in CPU/software performance interactions. His past work includes VAX microcode, DEC Alpha co-architect, and inventing the performance counters found in nearly all processors today. He has done low-overhead microcode and software tracing at DEC, Adobe, Google, and Tesla. Dr. Sites earned his PhD at Stanford in 1974; he holds 66 patents and is a member of the US National Academy of Engineering.

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