并行化

In this paper, a kind of automatic parallel conversion technique is given. The serial Java program is transformed to parallel program utilizing the multithreading machanism and testing technique of commutativity operations.

提出一种Java程序的自动并行转换技术，并充分利用Java语言本身提供的多线程机制，通过操作冲突性检测等方法将串行化的Java程序自动转化成并行化程序。

However, as the general problem of dependence analysis is not computable and it is a NP hard problem even for linear analysis, research work is focused on approximate solutions.

相关性分析是并行化编译的基础。伴随着并行化编译的发展，对相关性分析方法的研究已经持续了二十多年。

First of all, the report introduced evolution, achievments and problems in the study of anisotropy in the inner of earth. The first-order hyperbolic system of equations is work out, which is used to describe the wave motion in 2D transversely isotropic media. Utilizing the characteristics of free-divergence, We have imposed MacCormack theme that is used to simulate multicomponent records in anisotropic media and have developed a fast high order vectorized finite-difference algorithm adapted for the vector supercomputer.

本文首先阐述了地球内部介质各向异性研究的沿革、成就和问题，接着给出了描述二维横向各向同性介质中波动的一阶双曲型方程，利用其自由发散特性，构制了各向异性介质中多波多分量地震记录数值模拟的MacCormack算式，导出了适用于并行计算的二维横向各向同性介质中波动的有限差分模拟算子，该算子具有可并行化计算、相位差小等优点。

Which are important in object-relational databases, and how to translate the select-from-where cause into representations of monoid system are discussed. We take into account the onedimensional and multidimensional data partition methods, physical storage structures and further more how to parallelize them.

本文讨论了对象-关系型数据库中的重要数据类型-集类型如表、集合等的有效实现；讨论了select-from-where查询语句在monoid系统中的表示方法，给出了多种一维／多维数据分布方法、物理存储结构及其并行化方法；系统地分析、设计并实现了并行数据库系统的数据库原语操作及其基本并行算法。

Several problems are resolved in the system, such as the data access in the memory, parallel file access from disk, and the replacement of file data.

解决了并行文件访问的难点：内存中数据的读写，并行化磁盘读写和文件数据的替换，性能测试表明在多用户并行处理的环境中，Parfsnow++有效地提高了系统性能，特别是在文件数据的共享，文件数据的替换，以及使用大容量的统一内存对文件数据的存取等方面。

Combined with the high performance characteristics of parallel computer environments,It finishes parallel of the main body module of the applied code,and proposes a kind of available parallel-optimization technique to Cache.

文章结合并行机的高性能特征，组织了该程序主体模块的并行化计算，同时给出解决Cache问题的一个实用并行优化技术。

After the parallelizability analysis, the simulation method is parallelized with parallel programming tool OpenMP.

然后通过对仿真算法流程的并行性分析，以并行编程标准OpenMP为基础对仿真算法进行了并行化。

We propose the mirror-image decomposition of dependence graph to solve the parallelization of self-dependent Field-Loops, which has been an unsolvable problem in traditional methods, and realize both the wavefront and pipelined execution of selfdependent Field-Loops.

本文提出的相关图镜像分解技术解决了传统技术无法处理的自相关场循环的并行化问题，成功实现了自相关场循环的波前并行和流水并行。

Incremental compilation can reduce the recompilation time after users modify the serial source code. PLICP was tested with Perfect benchmark.

增量编译技术可以减少用户修改程序后重新并行化的时间，是交互式并行化系统的重要组成部分。

The paralleled waveform balance method are studied in detail and implemented in a Transputer parallel system.

此外，论文还对非线性电路并行仿真进行了研究，讨论了广义分块波形平衡法的并行化处理方法，并在Transputer并行机上进行仿真运算。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。