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Sim-Godson: A Godson Processor Simulator Based on SimpleScalar
Author(s): 
Pages: 68-73
Year: Issue:  1
Journal: CHINESE JOURNAL OF COMPUTERS

Keyword:  模拟器龙芯2号处理器SimpleScalar通用处理器高性能处理器;
Abstract: 现代高性能通用处理器的设计越来越复杂,模拟器在处理器设计中所起的作用越来越大.龙芯2号是中国科学院计算技术研究所研制的高性能通用处理器.最早开发的龙芯2号的模拟器ICT-Godson是信号级模拟器,它模拟了处理器的所有细节,十分准确,但速度和灵活性有较大限制.文章基于SimpleScalar工具集,设计并实现了龙芯2号的模拟器Sim-Godson.Sim-Godson具有高速度和高灵活性的优点,且准确性也很高.在3.0GHz的Pentium4微机上,Sim-Godson速度约为500K指令/s.大部份测试程序在Sim-Godson上的IPC(Instruction Per Cycle)与ICT-Godson相差不到5%,达到了很高的准确性.Sim-Godson在龙芯2号的性能分析工作中发挥了重要作用.
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