Deprecated: Function split() is deprecated in /home/vndic/public_html/index.php on line 22
portability
Add Favorite | Make Homepage | FAQ | Contact  VNDic On MobileNEW

Search


Adjacent words


portability

  portability

The ease with which a piece of software (or file format ) can be "ported", i.e. made to run on a new platform and/or compile with a new compiler .

The most important factor is the language in which the software is written and the most portable language is almost certainly C (though see Vaxocentrism for counterexamples). This is true in the sense that C compilers are available for most systems and are often the first compiler provided for a new system. This has led several compiler writers to compile other languages to C code in order to benefit from its portability (as well as the quality of compilers available for it).

The least portable type of language is obviously assembly code since it is specific to one particular (family of) processor (s). It may be possible to translate mechanically from one assembly code (or even machine code ) into another but this is not really portability. At the other end of the scale would come interpreted or semi-compiled languages such as LISP or Java which rely on the availability of a portable interpreter or virtual machine written in a lower level language (often C for the reasons outlined above).

The act or result of porting a program is called a "port". E.g. "I've nearly finished the Pentium port of my big bang simulation."

Portability is also an attribute of file formats and depends on their adherence to standards (e.g. ISO 8859 ) or the availability of the relevant "viewing" software for different platforms (e.g. PDF ).

(1997-06-18)

 
Copyright © 2007 by www.vndic.org, All rights reserved. English Vietnamese French Online Dictionary - Tu Dien Truc Tuyen Anh Phap Viet Co Phat Am. Dictionary data are collected from various sources, including Jdict by Ho Ngoc Duc, FOLDOC by Denis Howe, London and WordNet by Princeton University, NJ, USA. All logos and trademarks are copyrighted from their respective owners. Privacy Policy