| 对称多处理器系统CPU转换机制研究 |
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| 引用本文： | 孟宪海,李曦,蒋凡,赵振西.对称多处理器系统CPU转换机制研究[J].计算机工程,2000,26(3):61-62. |
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| 作者姓名： | 孟宪海 李曦 蒋凡 赵振西 |
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| 作者单位： | 中国科学技术大学计算机系!合肥230027 |
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| 摘 要： | 多个ＲＩＳＣ微处理器构成的对称多处理器系统正在成为多机并行系统的主流产品。在对称多处理器系统中，所有处理器的地位都是相同的，所有的系统资源都具有相同的可访问性，系统依据仲裁算法自动调度处理器访问控制权。通过分析当前多处理器系统的代表机型Ｓｐａｒｃ２０的加电自检程序，对多机系统的处理器转换机制进行了研究，给出了其切换时机和实现过程的算法描述。
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| 关 键 词： | CPU RISC 微处理器 多处理器系统 |
Research on the Mechanism of CPUs Alternating in a SMP System |
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| Meng Xianhai, Li Xi, Peng Tao, Jiang Fan, Zhao Zhenxi.Research on the Mechanism of CPUs Alternating in a SMP System[J].Computer Engineering,2000,26(3):61-62. |
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| Authors: | Meng Xianhai Li Xi Peng Tao Jiang Fan Zhao Zhenxi |
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| Abstract: | Consisting of a set of RISC microprocessors. the symmetrical multiprocessing is the most common example of parallel organization today. In a SMP system, all processors share access system resources. A mechanism is provided to arbitrate processors competing requests for system control. As a result of analysing the power-on self test programs of Spare20 workstation, a representative of multiprocessing system. this paper depicts the mechanism of CPUs alternating, including its opportunity and implement scheme. |
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| Keywords: | CPUs alternating Spare architecture POST |
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