并行性

It is difficult to use the traditional sequential discrete event simulation method to describe the natural feature of parallel system--parallel, thus the simulation efficiency is low and the result of the simulation lacks factuality and reliability.

传统的串行离散事件模拟理论与方法难以描述并行系统并行性这一本质特征，从而导致模拟效率低，模拟结果缺乏一定的真实性和可靠性。

This paper studies the attribute of test sequence inherent in the parallel test,and proposes the parallelizability of test sequence.

通过测试序列实例，验证了可并行性是测试序列的固有属性，说明了可并行度概念的合理性。

This paper first discusses the parallelizability of AVS video encoding, then describes a method for implementing parallel AVS video encoding on cluster.

首先探讨AVS视频编码的可并行性，然后给出一种基于集群服务器的AVS并行编码器设计和实现方法。

The new algorithm effectively combines the advantages of ACO and PSO. It adopts the grid method for environment modeling and makes use of the efficiency and succinctness of PSO to obtain the initial distribution of pheromone, reducing the number of iterations and accelerating the convergence. At the same time, by using the parallelizability of ants and distributed parallelized-searching technology, the performance of the algorithm is effectively improved.

该方法有效地结合了粒子群算法和蚁群算法的优点，采用栅格法进行环境建模，利用粒子群算法的快速简洁等特点得到蚁群算法初始信息素分布，以减少迭代次数，加快算法的收敛速度；同时利用蚁群算法之间的可并行性，采用分布式技术实现蚂蚁之间的并行搜索，求解精度高等优点，求精确解。

By analyzing the basic rules of array privatization and the determinant conditions of the parallelizable loop, this thesis proposes an array privatization technique that is significant for the exploitation of loop parallelism. Then, the thesis presents the designing and the implementation of the effective array privatization technique based on the accurate array data-flow analysis.

论文分析了数组私有化的基本准则，结合循环并行化的判定规则，得到对开发循环并行性有意义的有效数组私有化条件，并且研究实现了基于数组数据流分析的数组私有化技术。

This paper discusses the latent parallel characteristic of the forward and backward substitution method in tidal current computation.

本文针对前推回代法的潮流计算的潜在并行特点，对前推回代的在数据结构表达方式进行研究，比较了各种数据结构形式并行性计算速度的影响，并进行了仿真计算。

At the same time, the paper researches the parallelable of dynamic program, and discusses two kinds of parallel algorithm on SMP computer. After that, the paper give a parallel algorithm on cluster of SMP computers, and discuss how to divide the data getting more effective execution of parallel algorithm.

论文也讨论了动态规划算法的可并行性，研究了两种在SMP计算机上实现的动态规划并行方法，分析了在SMP机群系统中，如何通过分割数据的方法实现机群系统上算法的并行优化。

The selection of the data distribution, the parallelization of the data communication and the overlap between the computation and the communication on it were deeply discussed.

数组私有化是为了发掘程序中的计算并行性，而对非必要的内存重用的变量的识别和处理是为了发掘数据空间的并行性，有利于数据分布。

Some of these techniques focus on suppling parallel facilities and runtime support for object-oriented language. Others of them focus on exploiting and implementing object parallelism automatically.

这些技术一部分集中于为非并行语言增加显式的并行设施及相应的运行时支持，另一部分集中于自动发现源程序中对象内和对象间的并行性。

To improve solution efficiency,the feasibility of the optimization problem is analyzed to found the parallel environment,and the parallel program of spot-weld optimization is exploited with C++ and Fortran languages.

为了提高求解效率，对优化问题的可并行性进行了分析，搭建并行环境，用C++和Fortran语言开发了焊点优化问题的并行程序。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。