一个多机系统中的硬件同步信号灯设计  

Hardware Semaphore Design for Synchronization of a Multicomputer System Connected by Broadcasting Memory

作　　者：洪运麟 冯百明[1] 肖骊[1] 

机构地区：[1]西北工业大学

出　　处：《西北工业大学学报》1996年第1期153-155,共3页Journal of Northwestern Polytechnical University

基　　金："八五"重点项研项目资助

摘　　要：一个多机系统中的硬件同步信号灯设计洪运麟，冯百明，肖骊在文献【ｌ」的基础上，进一步利用存储器芯片ＩＤＴ７０．２５的信号灯逻辑，开发了多机系统的硬件同步信号灯，大大简化了同步编程，可靠住和同步效率也有很大改进。每片ＩＤＴ７０２５带有八个信号灯逻辑［２」...How to raise the efficiency of parallel computation on multi- computer system has received and is still receiving a great deal of attention in P. R. China. Improvement in synchronization, to be presented in this summary, plus our previous ho provement of communicationefficiency Li [1] can now raise such efficiency under certain conditions to be about 80 % ￣95 %.The eight semaphores [2] in each IDT7025 chip (such chips were used in broadcast'memory which is a highly efficient communication tool [1]) can be utilized.Full utilization of semaphores is only one out of many ways to improve synchronization efficiency, but we find that it is the best way as far as we know.In Table 2, the parallel efficiency of EP- 860 developed by us is much higher than that ofGb 1000, a very well known Chinese product. Efficiency of raft 1000 was officially published[4], and that of EP- 860 is determined by us through repeated tests.In order to make our hardware semaphore design user- convenient, we develop threespecial- purpose library functions which we call INIT (i), WA (k) and WO(i) respectively.These functions are made use of many times, usually just before and after 'data exchange' inparallel computation (Fig. 1).

关 键 词：多机系统 硬件信号灯 双口存储器 

分 类 号：TP393.1[自动化与计算机技术—计算机应用技术]