thrashing


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thrashing:

see threshingthreshing
or thrashing,
separation of grain from the stalk on which it grows and from the chaff or pod that covers it. The first known method was by striking the reaped ears of grain with a flail.
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thrashing

[′thrash·iŋ]
(computer science)
An undesirable condition in a multiprogramming system, due to overcommitment of main memory, in which the various tasks compete for pages and none can operate efficiently.

thrashing

thrashing

In a virtual memory system, it is the excessive swapping of pages of data between memory and the hard disk, causing the application to respond more slowly. The virtual memory function tracks page usage and keeps often-used pages in memory as much as possible. However, the more applications that are kept open in computers with limited memory, the more thrashing occurs. For an explanation of the paging operation, see virtual memory.

Poor program design may also contribute to thrashing. Good program design dictates that the code for the core processing routines is kept contiguous. If core components are at all ends of the executable package, more thrashing occurs, but once again, when there is not enough memory.

The term may also be used to refer to any situation in which multiple processes are competing for the same resource, and the excessive swapping back and forth between connections causes a slowdown.
References in periodicals archive ?
Llanfairpwll went up as champions after a 13-1 thrashing of Benllech.
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GOVILON stayed top of Division One with a 9-0 thrashing of Gilwern.
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Summary: Mathura (Uttar Pradesh) [India], Feb 14 (ANI): The son and supporters of a Bharatiya Janata Party (BJP) leader in Uttar Pradesh were caught on CCTV thrashing a toll plaza employee on Tuesday.
Those who were injured in the army thrashing have been identified as Riyaz Ahmad Khan, Mohammad Umar Khan, Assadullah Khan, Mohammad Maqbool Khan and Gulzar Ahmad Khan.
In a post on the charity's Facebook page, the rescuers said: "We were terrified when we tried to cut the rope, as she was thrashing and trying to bite us.
The journalist has filed a police complaint in which he has accused the minister and his guards of abducting and thrashing him, and even assaulting his wife