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题名:
fast complete memory consistency verification
作者: Yunji Chen ; Yi Lv ; Weiwu Hu ; Tianshi Chen ; Haihua Shen ; Pengyu Wang ; Hong Pan
会议文集: Proceedings - International Symposium on High-Performance Computer Architecture
会议名称: 2008 IEEE International Conference on Mechatronics and Automation, ICMA 2008
会议日期: August 5,
出版日期: 2009
会议地点: Takamatsu, Japan
关键词: Computer architecture
出版地: United States
收录类别: ei
ISSN: 15300897
ISBN: 9781424429325
部门归属: (1) Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100190, China; (2) Institute of Software, Chinese Academy of Sciences, Beijing 100190, China; (3) University of Science and Technology, Hefei, Anhui 230027, China
英文摘要: The verification of an execution against memory consistency is known to be NP-hard. This paper proposes a novel fast memory consistency verification method by identifying a new natural partial order: time order. In multiprocessor systems with store atomicity, a time order restriction exists between two operations whose pending periods are disjoint: the former operation in time order must be observed by the latter operation. Based on the time order restriction, memory consistency verification is localized: for any operation, both inferring related orders and checking related cycles need to take into account only a bounded number of operations. Our method has been implemented in a memory consistency verification tool for CMP (Chip Multi Processor), named LCHECK. The time complexity of the algorithm in LCHECK is O(Cpp 2n2) (where C is a constant, p is the number of processors and n is the number of operations) for soundly and completely checking, and O(p3n) for soundly but incompletely checking. LCHECK has been integrated into both pre and post silicon verification platforms of the Godson-3 microprocessor, and many bugs of memory consistency and cache coherence were found with the help of LCHECK. © 2008 IEEE.
语种: 英语
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8544
Appears in Collections:中科院软件所图书馆_2009年期刊/会议论文

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Recommended Citation:
Yunji Chen,Yi Lv,Weiwu Hu,et al. fast complete memory consistency verification[C]. 见:2008 IEEE International Conference on Mechatronics and Automation, ICMA 2008. Takamatsu, Japan. August 5,.
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