Fault-Tolerance Considerations in Large, Multiple-Processor Systems

计算机科学 巨量平行 并行处理 超大规模集成 互连 节点(物理) 容错 并行计算 计算机体系结构 分布式计算 嵌入式系统 计算机网络 结构工程 工程类
作者
Kuhl,Reddy
出处
期刊:IEEE Computer [IEEE Computer Society]
卷期号:19 (3): 56-67 被引量:52
标识
DOI:10.1109/mc.1986.1663180
摘要

Researcher have long conjectured upon the possibility of constructing large, massively-parallel computing engines by interconnecting many conventional processing elements to form an integrated supersystem. The rapid expansion in very large scale integration, or VLSI, circuit technology during the past decade has accelerated research in this direction. As advances in VLSI push basic component or chip functionalities to the processor level and beyond, it becomes natural to view complex processing elements as the basic components of much larger systems. Several names for such systems have been proposed, including network computers, multicomputers, and distributed multiprocessors. Despite the naming differences, these systems have the following salient features: (1) A large number of basically autonomous processing elements interconnected by a structure that allows high-bandwidth communication between them. At the system level, these processing elements and interconnection facilities are viewed as the basic components of the system. Each processing node has its own local memory and there is no sharing of memory between nodes. (2) A high degree of distribution of control or operating system functions among the processing elements. (3) Highly parallel computation performed by constructing applications as collections of several or many distinct tasks. These tasks may execute concurrently on different processors, withmore » necessary intertask communication carried out over the communication facilities linking the nodes. The collection of cooperating tasks comprising an application is sometimes referred to as a task force.« less
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