并行计算机

• This article has six chapters . chapter 1 introduces the development and the classification of the parallel computer , simply discusses the basic theory of parallel computing , and also introduces research meaning of this article
  本文总共分为六章，其内容如下：第1章，主要介绍并行计算机的发展及分类，并行计算的基本理论及本论文所做的主要工作。
• Parallel computer is an important area of the research of high - performance computer , and the efficient , rapid , large - capacity interconnection network is the base of large - scale parallel computer
  并行计算机是高性能计算机领域的重要研究方向,大规模并行机的关键是需要高效、快速、大容量的互连网络,所以改善并行计算机性能的关键问题是设计高性能的互连网络。
• The cluster parallel system is such a system , which makes use of workstations , servers or pcs connected with fast network and under the support of parallel system software to realize parallel process with high efficiency
  集群并行计算机系统是利用高速通信网络将一组高档工作站、服务器或pc机，按某一种结构连接起来，在并行系统软件支持下实现高效并行处理的系统。
• Although the capability of computer has proved more and more with the development of hard ware technology , the progress of science asks more and more for it network technology goes rapidly and it brings new chances to high performance computing
  网络技术的普及和飞速发展为高性能计算带来了新的机遇，以网络为基础的集群并行计算机系统以其较高的性价比而引起了人们的广泛重视。
• The conflict can be resolved by the parallel compute , but two questions exist at the same time . firstly , the related high rank parallel software is so scarce that the parallel computer can only used by the professional programmer
  并行机的出现为复杂结构精细分析提供了硬件基础，但由于高层次并行软件的缺乏使得并行计算机往往只能由专业程序员使用，另外，并行机价格昂贵，不易普及。
• The arithmetic architecture of parallel pragram is closely related with the architecture of parallel computer system . presently , there are some popular models such as share - memory model , message passing model and data paralleling model
  并行计算采用并行程序实现，并行程序设计的算法结构与并行计算机系统结构紧密相关，当前流行的算法结构有共享存储、消息传递、数据并行等多种模型。
• 4 ) the circle data partition method of spectral adjoint model is put forward . the method increases 30 . 7 % of parallel computing ratio under distributed - memory environments with 32 - processors . the butterfly - net data redistribution of spectral adjoint models is put forward
  4 )提出了谱离散伴随模式并行计算的有效循环数据分配方法，采用该方法在某分布式存储并行计算机上32台处理机并行计算效率提高了30 . 7 。
• Secondly , after having researches on the gram of globus , condor and pvm , this thesis proposes a novel parallel computing mechanism by integrating condor - pvm with gt4 for the purpose of realizing parallel computing in c language in grid context
  同时,本文还研究了globus的作业管理机制、 condor系统和pvm并行虚拟机系统,提出了condor - pvm与globus结合的并行计算机制,解决了网格环境中用c语言编程实现分布式并行计算的问题。
• This article introduces the developing history and the current situation of the automatic goal discern , and on the basis of structure of the parallel computer and neural network knowledge , it analyses the hardware and software engineering foundation that realized the real - time goal recognition system
  介绍了自动目标识别的发展历史和现状，在并行计算机结构和神经网络知识的基础上，分析了实现实时目标识别系统的硬件和软件技术基础。
• The combination of scaling parallel computing technologies and numerical weather forecasting research results is of great significance to develop the high performance parallel computer application , to improve the numerical weather forecasting level , and to advance the parallel computer study
  可扩展并行计算技术与数值气象领域研究成果相互渗透，对发展高性能并行计算机的应用、提高数值气象预报水平、促进并行计算机的研制，具有极为重要的意义。