CAREER: A Simultaneous Multithreading System Architecture

该项目的研究部分推进了同步多线程的研究，这是一种处理器架构技术，旨在提高处理器在每个时钟周期内发出多条指令的执行资源的利用率。研究目标有三个：(1)根据并发多线程工作负载重新评估内存系统架构；(2)研究处理大型寄存器文件的同步方法和策略等处理器问题；(3)讨论同步多线程对软件系统的影响。这项工作需要改进现有的多线程处理器模拟器，并使用新的模拟器来评估替代方案。教育部分着重于计算机体系结构课程的改革。新的计算机体系结构研究生课程正在引入，同时多线程正在被整合到本科生的核心体系结构课程中。所有的课程都是通过教学级模拟的动手实验来加强的。

The research portion of this project advances the study of simultaneous multithreading, a processor architecture technique aimed at increasing the utilization of the execution resources in processors that issue multiple instructions in each clock cycle. The research objectives are threefold: (1) to re-evaluate memory system architecture in light of a simultaneous multithreaded workload; (2) to investigate processor issues such as synchronization methods and strategies to deal with large register files; (3) to address the implications of simultaneous multithreading on the software system. The work entails revamping of an existing simulator for multithreaded processors, and use of the new simulator in evaluating alternatives. The educational portion concentrates on a revamping of the department curriculum in computer architecture. New graduate courses on computer architecture are being introduced, and simultaneous multithreading is being integrated into the core architecture courses for undergraduates. All course work is being enhanced with hands-on experimentation with instruction-level simulation.