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design reuse: Definition and Recommended Links

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In computer science and software engineering, reusability is the likelihood a segment of source code can be used again to add new functionalities with slight or no modification. Reusable modules and classes reduce implementation time, increase the likelihood that prior testing and use has eliminated bugs and localizes code modifications when a change in implementation is required.

Subroutines or functions are the simplest form of reuse. A chunk of code is regularly organized using modules or namespaces into layers. Proponents claim that objects and software components offer a more advanced form of reusability, although it has been tough to objectively measure and define levels or scores of reusability.

The ability to reuse relies in an essential way on the ability to build larger things from smaller parts, and being able to identify commonalities among those parts. Reusability is often a required characteristic of platform software. Reusability brings several aspects to software development that do not need to be considered when reusability is not required.

Source: Wikipedia (http://en.wikipedia.org/wiki/Reusability)

other great electronics sites:ee toolbox site

• • design reuse
    • In computer science and software engineering, reusability is the likelihood a segment of source code can be used again to add new functionalities with slight or no modification. Reusable modules and classes reduce implementation time, increase the likelihood that prior testing and use has eliminated bugs and localizes code modifications when a change in implementation is required.

      Subroutines or functions are the simplest form of reuse. A chunk of code is regularly organized using modules or namespaces into layers. Proponents claim that objects and software components offer a more advanced form of reusability, although it has been tough to objectively measure and define levels or scores of reusability.

      The ability to reuse relies in an essential way on the ability to build larger things from smaller parts, and being able to identify commonalities among those parts. Reusability is often a required characteristic of platform software. Reusability brings several aspects to software development that do not need to be considered when reusability is not required.

      Source: Wikipedia (http://en.wikipedia.org/wiki/Reusability)

      (Note: The Electronic Engineers Toolbox provides an alternative set of featured links for this word at http://www.cera2.com/design-reuse.htm)

      Featured Links:

      A Survey of Digital Design Reuse

      The authors survey recent advances in digital design reuse. They stress the need for effective strategies that accommodate reuse throughout the entire design process.
      http://horizon.ece.utexas.edu/~jacome/papers/JaP01.pdf

      Design and Reuse

      The world's largest directory of Virtual Components, Software and Services for designing systems on chip IP exchange on Internet works; test it by getting a free IP and look at the new format of IP Exchanger. Part of the massive Techweb database.
      http://www.design-reuse.com/

      Design & Reuse IP Catalog

      GSA is pleased to collaborate with Design and Reuse (D&R) to provide GSA members with direct access to D&R’s comprehensive catalog of industry intellectual property (IP), which serves as a valuable resource for SoC designers.
      http://www.gsaglobal.org/resources/ipcatalog/dripdb.asp

      Reuse Methodology Manual for System-on-a-Chip Designs

      Outlines a set of best practices for creating reusable designs for use in an SoC design methodology. These practices are based on the authors' experience in developing reusable designs, as well as the experience of design teams in many companies around the world. Silicon and tool technologies move so quickly that many of the details of design-for-reuse will undoubtedly continue to evolve over time. But the fundamental aspects of the...
      http://www.amazon.com

      Virtual Components Design and Reuse

      Design reuse is not just a topic of research but a real industrial necessity in the microelectronic domain and thus driving the competitiveness of relevant areas like for example telecommunication or automotive. Most companies have already dedicated a department or a central unit that transfer design reuse into reality.
      http://www.amazon.com

      Calibre nmDRC

      Total cycle time is on the rise due to more complex and larger designs, higher error counts and more verification iterations. Calibre® nmDRC responds to the need for reduced cycle time with revolutionary new capabilities that differentiate Calibre nmDRC substantially from traditional DRC tools including dynamic results visualization, equation-based DRC, direct database access and integrated DFM analysis.
      http://www.mentor.com

      Explanation: these links are provided as part of our EE glossary project, which seeks to identify the most prominent keywords in embedded systems, embedded software, realtime and rtos, dsp (digital signal processing), system-on-a-chip, microprocessors and microcontrollers, and other constituent elements for embedded systems. While we seek to keep most of the links up-to-date, the user is refered to other primary electronic-based search sites such as: cera2.com, embedded.com, or EDN Magazine. If you have any suggestions of links or definitions, please email!

Mark Twain quote for the day:

Communism is idiocy. They want to divide up the property. Suppose they did it - it requires brains to keep money as well as make it. In a precious little while the money would be back in the former owner's hands and the communist would be poor again.
- Mark Twain, a Biography