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・ Costa Fascinosa
・ Costa Favolosa
・ Cost accrual ratio
・ Cost allocation
・ Cost analyst
・ Cost approach
・ Cost auditing
・ Cost basis
・ Cost center
・ Cost centre (business)
・ Cost competitiveness of fuel sources
・ Cost contingency
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Cost efficiency
・ Cost engineering
・ Cost escalation
・ Cost estimate
・ Cost estimation in software engineering
・ Cost estimation models
・ Cost externalizing
・ Cost function
・ COST Hata model
・ Cost leadership
・ Cost model
・ Cost object
・ Cost of attendance
・ Cost of capital
・ Cost of carry


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Cost efficiency : ウィキペディア英語版
Cost efficiency

Cost efficiency (or cost optimality), in the context of parallel computer algorithms, refers to a measure of how effectively parallel computing can be used to solve a particular problem. A parallel algorithm is considered cost efficient if its asymptotic running time multiplied by the number of processing units involved in the computation is comparable to the running time of the best sequential algorithm.
For example, an algorithm that can be solved in O(n) time using the best known sequential algorithm and O\left(\frac\right) in a parallel computer with p processors will be considered cost efficient.
Cost efficiency also has applications to human services.
==References==

*Advanced Computer Architectures: A Design Space Approach, D. Sima, T. Fountain and P. Kacsuk, Addison-Wesley, 1997.

es:análisis de coste-beneficio
sv:Kostnads-effekt-analys

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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