Where does the time go in software DSMs? - experiences with JIAJIA

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Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080, China [1 ]
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J Comput Sci Technol | / 3卷 / 193-205期
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In general; communication overhead and coherence-induced overhead are two main culprits for performance loss in software DSM systems. The communication cost in network of workstation environment is obviously high; large unit of coherence in software DSM systems results in false sharing problem; encoding and decoding diffs in multiple writer protocol are The work of this paper is supported by the National Natural Science Foundation of China under grant No.69896250 and No.69703002; and the CLIMBING Program.Acknowledgements We are very grateful to Liviu Iftode of Princeton University and Honghui Lu of Rice University; who kindly provided some of their most recent papers and benchmark programs. Thanks are also given to M. Rasit Eskicioglu of University of Alberta; Canada; who helped us to port our JIAJIA system to IBM SP2. An allocation of compute r time from the National Center of Intelligent Computing (NCIC) of China is gratefully acknowledged;
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