working as designed

<jargon>

(IBM) Conforming to a wrong or inappropriate specification; useful, but misdesigned. Frequently used as a sardonic comment on a program's utility or as a bogus reason for not accepting a criticism or suggestion. At IBM, this sense is used in official documents!

See BAD.

[Jargon File]

Last updated: 1995-04-04

working memory

<storage, architecture>

The parts of main memory (RAM) currently in use.

In a production system, working memory contains the facts, both initial and generated.

Last updated: 2005-06-17

working set

<architecture>

The set of all pages (in a paging virtual memory system) used by a process during some time interval.

As a result of locality of reference, the working set frequently consists of a relatively small fraction of a process's total virtual memory pages. While a process's entire working set is in physical memory the process will run without page faults. If the working set is too large for available physical memory, the process causes frequent page faults.

In a multitasking environment, information about which pages are in each process's working set allows the memory management system to improve CPU efficiency by prepaging (also called the working set model).

["Modern Operating Systems", Andrew S. Tanenbaum, pub. Prentice Hall, Inc. 1992].

Last updated: 1997-04-09

working set model

prepaging

Nearby terms:

Workflow Management Coalition ♦ workgroup ♦ working as designed ♦ working memory ♦ working set

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