Effects of the Dynamic Processor Scheduling in a Function Distributed System
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概要
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Due to advances in hardware technology, the cost of a small scale processor is rapidly decreasing; and it will be possible to build a computer complex, comparable to a large scale system in performance, with many small scale computers. The computer complex can be classified into a multiprocessor (MP) and a distributed function system (DP). It is said that the response time of DP is longer than that of MP, because this system use more queues than the multiprocessor and the waiting time in the queues increases. In other words, every processor is fixed to some functions; then the processors of DP have more idle time than that of MP. If we let some processor of DP flexibly be assigned to any function dynamically, performance improvement will be obtained. This paper evaluates the performance improvement and the cost performance improvement which are able to be obtained by the dynamic processor scheduling in the DP system. The conditions under which the dynamic processor scheduling act effective are derived. In this evaluation. it is assumed that the distributed processor consists of general purpose processors, which are dynamically scheduled to busy stages, and specialized processors, which are bound to functions.
- 一般社団法人情報処理学会の論文
- 1978-06-30