最佳置换算法(Optimal Page Replacement Algorithm,简称OPT)是一种理论上最优的页面置换算法,但在实际操作系统中由于无法预知未来的页面访问顺序,因此无法实现。不过,我们可以通过模拟来展示其工作原理。 下面是一个用C语言模拟最佳置换算法的代码示例: c #include <stdio.h> #include <stdlib.h> //...
In previous work, under some assumptions, we specified a replacement rule which minimizes the long-run (expected) average cost per unit time and possesses control limit property. In this paper, a general algorithm for such models is developed....
One of them is the Hungarian algorithm of Kuhn [85] or its variant of Munkres [96] that has a worst-case computational complexity of at most O(n 4). Another alternative is the class of net flow algorithms described in [89, Chapter 6]. In particular, the algorithm of Edmonds and Karp...
HapLogic: a predictive human leukocyte antigen-matching algorithm to enhance rapid identification of the optimal unrelated hematopoietic stem cell sources for transplantation Biol Blood Marrow Transplant, 22 (2016), pp. 2038-2046 View PDFView articleView in ScopusGoogle Scholar 32 K. Wadsworth, M. ...
Pareto front/tradeoff analysis was applied to determine the final optimal solution in Stage 6. The present model was implemented as an MOO algorithm to enable the generation of optimal trade-offs between the two objectives. As stated, the first objective is maximizing the level of students ...
If then the optimal lower bound is [53, page 26]. In both cases, we achieve these optimal bounds with our algorithm (provided ; see below) using, for example, Nesterov’s method. Suppose that the objective function f is -Lipschitz and has linear growth. Such functions are -smoothable (...
replacement strategyLRUOPT.LRU is the de facto standard page replacement strategy.It is well-known,however,that there are many situations where LRU behaves far from optimal.We present a replacement policy that approximates the optimal algorithm OPT more closely by predicting the time each page will...
``A Branch-and-Bound Algorithm for Computing Optimal Replace- ment Policies in K-Out-Of-N Systems.55 Operations Research 43, 826-837.Flynn, J, Chung, C.S.: A branch and bound algorithm for computing optimal replacement policies in consecutive k-out-of-n systems. Naval Research Logistics ...
We show that the discrete Sinkhorn algorithm—as applied in the setting of Optimal Transport on a compact manifold—converges to the solution of
While this system represents an advance in the art, modern processor designs often utilize a multiple level cache or high speed memory which is attached to the processor. The processor system utilizes some well-known algorithm to decide what portion of its main memory store will be loaded within...