查询词典 parallel algorithm

An efficient parallel algorithm, PMAR, which is based on share nothing architechure in multiple computers, is given to settle the problem of mining association rules in a distributed database or a very large database, An incremental updating algorithm for mining association rules, EUIA, which is based on algorithm LIDBSO, is proposed.

提出了一个基于多台计算机间无共享体系结构的高效并行采掘关联规则的算法PMAR，用于解决在分布式数据库中或在特大数据库中的关联规则采掘问题。

The topics are divided into three parts: the first part introduced the basic concepts of algorithms, mathematical algorithms and algorithms based on complexity analysis scheduling problem for the second part of the problem and plans to discuss a variety of existing algorithms, and describes the design of commonly used algorithms including sub-rule law, greedy method, dynamic programming, backtracking and branch and bound method, and describes the complexity of the calculation, as well as NP-complete problem the third part of the model on parallel computing and parallel algorithm design techniques.

全书分为3个部分：第一部分介绍算法的基本概念、算法的数学基础以及算法复杂度分析；第二部分针对排序问题和图的问题，讨论各种已有的算法，并介绍常用的算法设计方法包括分治法、贪心法、动态规划法、回溯法和分支限界法，并介绍了计算的复杂性以及NP完全问题；第三部分讲述并行计算模型和并行算法设计技术。

The core of this parallel algorithm is the models and algorithms of coarse-grain space parallel fast decoupled load flow and coarse-grain space parallel linearized load flow proposed in this dissertation based on the decomposition and coordination principle of large-scale networks.

该方法的核心是基于大规模电网分解协调计算原理，本文提出的粗粒度空间并行的快速解耦潮流模型及算法和直流潮流模型及算法。

With the image compression and parallel computing as the main study, we focus on the parallel algorithm of Huffman encoding.

本文以图像压缩和并行计算为主要研究对象，重点研究了哈夫曼编码的并行算法。

We present a parallel algorithm of searching standard Latin square and develop its parallel program using MPIBD. The experimental results are also given.

我们给出了一个求找标准拉丁方的并行算法，编写了对应的MPIBD并行程序，给出了实际运行结果。

And the numerical results of parallel algorithm showed that the parallel computing approach is effective and efficient.

而并行算法的加速比和效率实验结果表明本文的两种并行算法也具有很好的加速性能。

An accelerated acoustic echo cancellation algorithm is proposed in this paper based on Parallel Subgradient Projection technique.

摘要该文在并行次梯度投影技术(Parallel Subgradient Projection，PSP)的基础上，提出一种加速回波抵消算法。

In this paper, we also discuss the theory of the parallel simplex method. Undej the 2-dimensional space case, we present that simplex seriary have some properties, but we adopt some repairing measures. We proof the convergence of the parallel algorithm. At last, We give some numerical examples to indicate that the new idea is sometimes useful and helpful.

本文也对算法做了一些理论分析，主要在二维情形下，讨论了算法形成的单纯形序列本身所具有的性质，并对其做了相应的补救措施，对算法的收敛性给予了证明，最后做了一些数值实验，由于软硬件条件的限制，并行算法未能在并行计算机上实现，鉴于这种情况，我们所做的数值实验均是在串行机上完成的。

Then a new method named parallel recomputing based fault tolerant parallel algorithm is proposed. The authors present the design of PRBFTPA for matrix LU decomposition, and evaluate them by experiments on a cluster system and compare them with the method of checkpointing.

针对许多计算密集型任务中的矩阵LU分解设计了相应的基于并行复算的容错并行算法，并对设计的矩阵LU分解的容错并行算法的性能进行了评估并与checkpointing方法进行了对比。

The following are the results: 1. An abstract meteorological phase parallel model for numerical weather prediction is developed as follows:〓 In this equation, parallel wall clock time related with computing grid numbers, load imbalance, communication and synchronization overhead is given out. It can be used to design and analysis the parallel algorithm.

该研究工作的主要结果如下： 1 发展提出了一个适用于气象数值预报模式的阶段并行模型MPPM：〓它表明了并行计算时间与数值模式的计算格点量、负载平衡因子、通信开销、同步开销及并行开销等之间的关系，为设计和分析数值预报模式的并行算法提供了理论依据。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。