Application Level Modelling of Parallel Machines

本研究关注的是应用级性能建模 由大量处理组成的并行机器的 元素（PE）以某种规则的结构连接。 PE还可以 通过单独的互连访问某些共享资源 网络 假设PE网络的不相交部分可以是 同时用于解决不同的子问题。 建模 考虑了这些机器的几个重要方面，包括 PE子结构的争用、共享资源的争用 作为全局内存，由于数据依赖性而导致的阻塞， 子问题，工作在一个 单个子问题，以及与优化设计有关的一些问题。 研究的主要目标是开发实用技术， 设计和调整大型并行机器，这些机器即将成熟。

This research is concerned with application level performance modeling of parallel machines consisting of a large number of processing elements (PE's) connected in some regular structure. The PE's may also have access to some shared resources via a separate interconnection network. It is assumed that disjoint portions of the PE network can be used simultaneously for solving different subproblems. The modeling considers several important aspects of such machines including contention for PE substructures, contention for shared resources such as global memory, blocking due to data dependencies between subproblems, synchronization delays between processes working on a single subproblem, and some issues relating to the optimal design. The main goal of the research is to develop practical techniques for designing and tuning large parallel machines that are coming of age.