| 对称多处理器下基于调度域的超线程实现 |
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| 引用本文： | 施文佳,杨斌.对称多处理器下基于调度域的超线程实现[J].成都信息工程学院学报,2010,25(2):146-150. |
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| 作者姓名： | 施文佳 杨斌 |
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| 作者单位： | 西南交通大学信息科学与技术学院,四川,成都,610031 |
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| 摘 要： | 自从Linux2．4支持对称多处理结构以来，Linux操作系统开发者一直在探索能够更好发挥多处理器效能的方法。其中，加强超线程处理能力是基本的解决方案之一。因此分析对称多处理器下超线程的实现具有重要意义。通过对内核源代码的解读，对对称多处理器下基于调度域的超线程实现机理进行了剖析。最后针对两个版本的内核（一个带有调度域结构，一个没有调度域结构）进行了对比测试分析。通过比较，可以看出对称多处理器下基于调度域的超线程实现其性能更优。
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| 关 键 词： | 计算机应用技术 嵌入式系统 对称多处理 超线程 调度域 |
Realization of Symmetrical Multi-Processor with Hyper-Threading Based on Scheduling Domain |
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| SHI Wen-jia,YANG Bin.Realization of Symmetrical Multi-Processor with Hyper-Threading Based on Scheduling Domain[J].Journal of Chengdu University of Information Technology,2010,25(2):146-150. |
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| Authors: | SHI Wen-jia YANG Bin |
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| Institution: | SHI Wen-jia,YANG Bin(School of Information Science & Technology,Southwest Jiaotong University of China,Chengdu 610031,China) |
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| Abstract: | Since Linux 2.4 has supported Symmetrical Multi-Processing structure,Linux operating system's developers have been trying to find the way which can make the effectiveness of multi-processor better.Strengthening the capacity of Hyper-Threading is one of the basic solutions.Therefore,it is very important for analysis the realization of Symmetrical Multi-Processor with hyper-threading.This paper analyzes the implementation mechanism of Symmetrical Multi-Processor with hyper-threading based on scheduling domain... |
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| Keywords: | computer application embedded system symmetrical multi-processing hyper-threading scheduling domain |
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