计算机科学 ›› 2016, Vol. 43 ›› Issue (6): 82-85.doi: 10.11896/j.issn.1002-137X.2016.06.017
黎明丽,蔡维纬,吕晓,何发智
LI Ming-li, CAI Wei-wei, LV Xiao and HE Fa-zhi
摘要： 操作转换算法是实时协同编辑系统首选的并发控制算法,它不仅能提供不受限的交互,而且维护分布式操作的意图一致性。然而随着操作数目的增多,操作的响应时间也会延长。结合多核多线程技术的发展,提出了第一个并行的操作转换算法,其能减少远程操作集成到本地站点的时间开销。对传统的串行算法进行了改造,使得具有计算依赖的过程能够并行化。实验结果表明,提出的算法相较于传统算法具有较大的优势,在处理较大操作历史的情况下依然能够保证操作合理的响应时间。
| [1] Leslie L.Time,clocks,and the ordering of events in a distributed system[J].Communications of the ACM,1978,21(7):558-565 [2] Sun Cheng-zheng,Xia S,Sun D,et al.Transparent adaptation of single-user applications for multi-user real-time collaboration[J].ACM Transactions on Computer-Human Interaction,2006,13(4):531-582 [3] Wang Xue-yi,Bu Jia-jun,Chen Chun.Achieving undo in bitmap-based collaborative graphics editing systems[C]∥ACM Confe-rence on Computer Supported Cooperative Work.2002:68-76 [4] Ignat C-L,Norrie Moira C.Customizable collaborative editor relying on treeOPT algorithm[C]∥European Conference on Computer-Supported Cooperative Work.2003:315-334 [5] Liu Hua-jun,He Fa-zhi,Li Xiao-xia,et al.A less constraint concurrency control and consistency maintaince in collaborative CAD system[J].Chinese Journal of Electronics,2013,22(1):15-20 [6] Agustina,Sun Cheng-zheng,Xu Dong.Operational transformation for dependency conflict resolution in real-time collaborative 3D design systems[C]∥ACM conference on Computer Supported Cooperative Work.2012:1401-1410 [7] Ellis C A,Gibbs S J.Concurrency control in groupware systems[C]∥ACM SIGMOD International Conference on Management of Data.1989:399-407 [8] Yang Guang-xin,Shi Mei-lin.Object Data Model Based Concurrency Control in Fully-Replicated Architecture[J].Chinese Journal of Computers,2000,23(2):113-125(in Chinese) 杨光信,史美林.全复制结构下基于对象数据模型的并发控制[J].计算机学报,2000,23(2):113-125 [9] Matthias R,Doris N-R,Gunzenuser G R.An integrating transformation-oriented approach to concurrency control and undo in group editors[C]∥ACM Conference on Computer Supported Cooperative Work.1996:288-297 [10] Randolph A,Boucheneb H,Imine A,et al.On Synthesizing a Consistent Operational Transformation Approach[J].IEEE Transactions on Computers,2015,64(4):1074-1089 [11] Sun Cheng-zheng,Jia Xiao-hua,Zhang Yan-chun,et al.Achie-ving convergence,causality preservation,and intention preservation in real-time cooperative editing systems[J].ACM Transactions on Computer-Human Interaction,1998,5(1):63-108 [12] Liao Bin,He Fa-zhi,Jing Shu-xu.Survey of Operational Transformation Algorithms in Real-time Computer Supported Coope-rative Work[J].Journal of Computer Research and Development,2007,44(2):326-333(in Chinese) 廖斌,何发智,荆树旭.实时协同工作系统中操作转换算法综述[J].计算机研究与发展,2007,4(2):326-333 [13] Li Du,Li Rui.An admissibility-based operational transformation framework for collaborative editing systems[J].Computer Supported Cooperative Work,2010,19(1):1-43 [14] Imine Abdessamad.A Flexible concurrency control for real-time collaborative editors[C]∥International Conference on Distributed Computing Systems Workshops.2008:423-428 |
| No related articles found! |
|
||
首页