An efficient thread architecture for a distributed shared memory on symmetric multiprocessor clusters

Jyh-Biau Chang, Y. Tsai, C. Shieh, P. Chung
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引用次数: 4

Abstract

The purpose of the paper is to demonstrate an efficient thread architecture for a distributed shared memory (DSM) system on symmetric multiprocessor (SMP) clusters. For DSM systems on SMP, how to utilize the processors efficiently without wasting available computational power is a major issue. We discuss three approaches that use the process, the kernel level thread, and the user level thread to map application threads onto execution entities respectively. Considering the advantages and disadvantages of each method, we construct our thread package by combining both the user level thread and the kernel level thread. User level threads correspond to application threads and kernel level threads schedule these user level threads across multiple processors. Threads are light weighted and can be migrated in our thread package. With this thread architecture, our DSM system performs well in elementary experiments.
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对称多处理器集群上分布式共享内存的高效线程体系结构
本文的目的是为对称多处理器(SMP)集群上的分布式共享内存(DSM)系统展示一种高效的线程体系结构。对于基于SMP的DSM系统,如何有效地利用处理器而不浪费可用的计算能力是一个主要问题。我们讨论了三种方法,分别使用进程、内核级线程和用户级线程将应用程序线程映射到执行实体。考虑到每种方法的优缺点,我们通过结合用户级线程和内核级线程来构建线程包。用户级线程对应于应用程序线程,内核级线程跨多个处理器调度这些用户级线程。线程是轻量级的,可以在我们的线程包中迁移。在此线程架构下,我们的DSM系统在初步实验中表现良好。
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