Ligang He

Job Title

Reader

Department

Computer Science

Phone

+44 24 76573802

Ligang.He@warwick.ac.uk

Web Link

Link

Research Interests

Parallel and distributed processing, High performance computing, Grid/Cluster computing, Performance modelling and evaluation

Wu, Wentai, He, Ligang, Lin, Weiwei, Mao, Rui, Maple, Carsten, Jarvis, Stephen A., 2020. SAFA : a semi-asynchronous protocol for fast federated learning with low overhead. IEEE Transactions on Computers
Zheng, Zhigao, Shi, Xuanhua, He, Ligang, Jin, Hai, Wei, Shuo, Dai, Hulin, Peng, Xuan, 2020. Feluca : A two-stage graph coloring algorithm with color-centric paradigm on GPU. IEEE Transactions on Parallel and Distributed Systems, pp. 1-1
Zhu, Huanzhou, He, Ligang, Leeke, Matthew, Mao, Rui, 2020. WolfGraph : the edge-centric graph processing on GPU. Future Generation Computer Systems
Wu, Wentai, He, Ligang, Lin, Weiwei, Su, Yi, Cui, Yuhua, Maple, Carsten, Jarvis, Stephen A., 2020. Developing an unsupervised real-time anomaly detection scheme for time series with multi-seasonality. IEEE Transactions on Knowledge and Data Engineering, pp. 1-1
Zhang, Yu, Zhao, Jin, Liao, Xiaofei, Jin, Hai, Gu, Lin, Liu, Haikun, He, Bingsheng, He, Ligang, 2019. CGraph: A Distributed Storage and Processing System for Concurrent Iterative Graph Analysis Jobs. ACM Transactions on Storage, 15 (2), pp. 1-26
Jiang, Peng, He, Ligang, Ren, Shenyuan, Chen, Zhiyan, Mao, Rui, 2019. vChecker : an application-level demand-based co-scheduler for improving the performance of parallel jobs in Xen. Wireless Networks, pp. 1-7
Wu, Wentai, Lin, Weiwei, He, Ligang, Wu, Guangxin, Hsu, Ching-Hsien, 2019. A power consumption model for cloud servers based on Elman Neural Network. IEEE Transactions on Cloud Computing
Chen, Zhiwen, He, Xin, Sun, Jianhua, Chen, Hao, He, Ligang, 2018. Concurrent hash tables on multicore machines : comparison, evaluation and implications. Future Generation Computer Systems, 82, pp. 127-141
Ren, Shenyuan, He, Ligang, Li, Junyu, Chen, Chao, Gu, Zhuoer, Chen, Zhiyan, 2018. Scheduling DAG Applications for Time Sharing Systems. ICA3PP 2018: Algorithms and Architectures for Parallel Processing, 11335, pp. 272-286
Jiang, Peng, He, Ligang, Ren, Shenyuan, Chen, Zhiyan, Mao, Rui, 2018. vPlacer: A Co-scheduler for Optimizing the Performance of Parallel Jobs in Xen. ICA3PP 2018: Algorithms and Architectures for Parallel Processing, 11334, pp. 19-33
Chang, Cheng, He, Ligang, Chaudhary, Nadeem, Fu, Songling, Chen, Hao, Sun, Jianhua, Li, Kenli, Fu, Zhangjie, Xu, Ming-Liang, 2017. Performance analysis and optimization for workflow authorization. Future Generation Computer Systems, 67, pp. 194-205
Zhu, Huanzhou, He, Ligang, Fu, Songling, Li, Rui, Han, Xie, Fu, Zhangjie, Hu, Yongjian, Li, Chang-Tsun, 2017. WolfPath : accelerating iterative traversing-based graph processing algorithms on GPU. International Journal of Parallel Programming
Ren, Shenyuan, He, Ligang, Zhu, Huanzhou, Gu, Zhuoer, Song, Wei, Shang, Jiandong, 2017. Developing power-aware scheduling mechanisms for computing systems virtualized by Xen. Concurrency and Computation: Practice and Experience, 29 (3)
He, Ligang, Zhu, Huanzhou, Jarvis, Stephen A., 2016. Developing graph-based co-scheduling algorithms on multicore computers. IEEE Transactions on Parallel and Distributed Systems, 27 (6), pp. 1617-1632
Gao, Bo, He, Ligang, Jarvis, Stephen A., 2016. Offload decision models and the price of anarchy in mobile cloud application ecosystems. IEEE Access, 3, pp. 3125-3137
Xu, Yuming, Li, Kenli, He, Ligang, Zhang, Longxin, Li, Keqin, 2015. A hybrid chemical reaction optimization scheme for task scheduling on heterogeneous computing systems. IEEE Transactions on Parallel and Distributed Systems, 26 (12), pp. 3208-3222
Shi, Xuanhua, Chen, Ming, He, Ligang, Xie, Xu, Lu, Lu, Jin, Hai, Chen, Yong, Wu, Song, 2015. Mammoth : gearing Hadoop towards memory-intensive MapReduce applications. IEEE Transactions on Parallel and Distributed Systems, 26 (8), pp. 2300-2315
Fu, Songling, He, Ligang, Huang, Chenlin, Liao, Xiangke, Li, Kenli, 2015. Performance optimization for managing massive numbers of small files in distributed file systems. IEEE Transactions on Parallel and Distributed Systems, 26 (12), pp. 3433-3448
Fu, Songling, He, Ligang, Liao, Xiangke, Li, Kenli, Huang, Chenlin, 2014. Analyzing the impact of storage shortage on data availability in decentralized online social networks. The scientific world journal, 2014, pp. 1-14
Chen, Hao, Sun, Jianhua, He, Ligang, Li, Kenli, Tan, Huailiang, 2014. BAG : Managing GPU as buffer cache in operating systems. IEEE Transactions on Parallel and Distributed Systems, 25 (6), pp. 1393-1402
He, Ligang, Zou, Deqing, Zhang, Zhang, Chen, Chao, Jin, Hai, Jarvis, Stephen A., 2014. Developing resource consolidation frameworks for moldable virtual machines in clouds. Future Generation Computer Systems, 32, pp. 69-81
He, Ligang, Chaudhary, Nadeem, Jarvis, Stephen A., 2014. Developing security-aware resource management strategies for workflows. Future Generation Computer Systems, 38 (9), pp. 61-68
Xu, Yuming, Li, Kenli, He, Ligang, Truong, Tung Khac, 2013. A DAG scheduling scheme on heterogeneous computing systems using double molecular structure-based chemical reaction optimization. Journal of Parallel and Distributed Computing, 73 (9), pp. 1306-1322
Chen, Hao, Shi, Lin, Sun, Jianhua, Li, Kenli, He, Ligang, 2013. A fast RPC system for virtual machines. IEEE Transactions on Parallel and Distributed Systems, 24 (7), pp. 1267-1276
Shi, X., Jiang, H., He, Ligang, Jin, H., Wang, C., Yu, B., Wang, F., 2013. Developing an optimized application hosting framework in Clouds. Journal of Computer and System Sciences, 179 (8), pp. 1214-1229
Perks, O. F. J., Beckingsale, David A., Hammond, Simon D., Miller, I., Herdman, J. A., Vadgama, A., Bhalerao, Abhir, He, Ligang, Jarvis, Stephen A., 2013. Towards automated memory model generation via event tracing. Computer Journal, 56 (2), pp. 156-174
Shao, Zhiyuan, He, Ligang, Lu, Zhiqiang, Jin, Hai, 2013. VSA : an offline scheduling analyzer for Xen virtual machine monitor. Future Generation Computer Systems, 29 (8), pp. 2067-2076
He, Ligang, Huang, Chenlim, Duan, Kewei, Li, Kenli, Chen, Hao, Sun, Jianhua, Jarvis, Stephen A., 2012. Modeling and analyzing the impact of authorization on workflow executions. Future Generation Computer Systems, 28 (8), pp. 1177-1193
Liu, Limin, He, Ligang, Jarvis, Stephen A., 2012. Performance analysis for workflow management systems under role-based authorization control. Lecture Notes in Computer Science, Vol.7296, pp. 323-337
Bacigalupo, David A., van Hemert, J., Chen, Xiaoyu, Usmani, A., Chester, Adam P., He, Ligang, Dillenberger, D. N., Wills, G. B., Gilbert, L., Jarvis, Stephen A., 2011. Managing dynamic enterprise and urgent workloads on clouds using layered queuing and historical performance models. Simulation Modelling Practice and Theory, 19 (6), pp. 1479-1495
Xu, Wenping, Hong, Liu, He, Ligang, Wang, Shuliang, Chen, Xueguang, 2011. Supply-driven dynamic inoperability input-output price model for interdependent infrastructure systems. Journal of Infrastructure Systems, Vol.17 (No.4), pp. 151-162
Bacigalupo, David A., Jarvis, Stephen A., He, Ligang, Spooner, Daniel P., Dillenberger, D. N., Nudd, G. R., 2005. An investigation into the application of different performance prediction methods to distributed enterprise applications. The Journal of Supercomputing, 34 (2), pp. 93-111
Spooner, Daniel P., Cao, J., Jarvis, Stephen A., He, Ligang, Nudd, G. R., 2005. Performance-aware workflow management for grid computing. Computer Journal, 48 (3), pp. 347-357
Jarvis, Stephen A., He, Ligang, Spooner, Daniel P., Nudd, G. R., 2005. The impact of predictive inaccuracies on execution scheduling. Performance Evaluation, 60 (1-4), pp. 127-139
He, Ligang, Jarvis, Stephen A., Spooner, Daniel P., Nudd, G. R., 2004. Dynamic, capability-driven scheduling of DAG-based real-time jobs in heterogeneous cluster. International Journal of High Performance Computing and Networking (IJHPCN), 2 (2-4), pp. 165-177

He, Ligang, Jarvis, Stephen A., Bacigalupo, David A., Spooner, Daniel P., Nudd, G. R., 2005. Performance-aware load balancing for multiclusters. In Cao, J.; Yang, L. T.; Guo, M.; Lau, F. (eds.), Parallel and Distributed Processing and Applications, Springer Berlin Heidelberg, pp. 635-647
He, Ligang, Jarvis, Stephen A., Spooner, Daniel P., Nudd, G. R., 2003. Performance-based dynamic scheduling of hybrid real-time applications on a cluster of heterogeneous workstations. In Kosch, Harald; Böszörményi, László, 1949-; Hellwagner, Hermann (eds.), Euro-Par 2003 Parallel Processing : 9th International Euro-Par Conference Klagenfurt, Austria, August 26-29, 2003 Proceedings, Berlin ; London, Springer-Verlag, pp. 195-200

Alghamdi, Mohammed, He, Ligang, Zhou, Yujue, Li, Junyu, 2020. Developing the parallelization methods for finding the all-pairs shortest paths in distributed memory architecture. 38th IEEE International Performance Computing and Communications Conference (IPCCC), London, UK, 29-31 Oct 2019
Li, Junyu, He, Ligang, Ren, Shenyuan, Mao, Rui, 2020. Developing a loss prediction-based asynchronous stochastic gradient descent algorithm for distributed training of deep neural networks. 49th International Conference on Parallel Processing (ICPP2020), Virtual conference, 17-20 Aug 2020, Published in Proceedings of 49th International Conference on Parallel Processing (ICPP2020)
Zhao, Jin, Zhang, Yu, Liao, Xiaofei, He, Ligang, He, Bingsheng, Jin, Hai, Liu, Haikun, Chen, Yicheng, 2019. GraphM : an efficient storage system for high throughput of concurrent graph processing. SC '19 International Conference for High Performance Computing, Networking, Storage and Analysis, Denver, Colorado, 17-19 Nov 2019, Published in SC '19 Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis, pp. 1-14
He, Ligang, Chaudhary, Nadeem, Jarvis, Stephen A., Li, Kenli, 2012. Allocating resources for workflows running under authorization control. 13th International Conference on Grid Computing (GRID), 2012 ACM/IEEE, Beijing, 20-23 Sep 2012, Published in IEEE Digital Library, pp. 58-65
Gao, Bo, He, Ligang, Liu, Limin, Li, Kenli, Jarvis, Stephen A., 2012. From mobiles to clouds : developing energy-aware offloading strategies for workflows. 13th International Conference on Grid Computing (GRID), 2012 ACM/IEEE, Beijing, 20-23 Sep 2012, pp. 139-146
Shao, Zhiyuan, Wang, Qiang, Xie, Xuejiao, Jin, Hai, He, Ligang, 2011. Analyzing and improving MPI communication performance in overcommitted virtualized systems. 19th Annual Meeting of the IEEE Symposium on Modelling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS'11), Singapore, 25-27 July 2011, Published in Proceedings of the nineteenth IEEE International Symposium on Modeling, Analysis & Simulation of Computer and Telecommunication Systems (MASCOTS), pp. 381-389
Al-Ghamdi, M., Chester, Adam P., He, Ligang, Jarvis, Stephen A., Xue , J. W. J., 2011. Dynamic active window management : a method for improving revenue generation in dynamic enterprise systems. Proceedings of the 11th IEEE International Conference on Scalable Computing and Communications (SCALCOM'11), Pafos, Cyprus, 31st August - 2nd September, 2011, Published in Computer and Information Technology (CIT), 2011 IEEE 11th International Conference on
Al-Ghamdi, M., Chester, Adam P., He, Ligang, Jarvis, Stephen A., 2011. Dynamic resource allocation and active predictive models for enterprise applications. 1st International Conference on Cloud Computing and Services Science (CLOSER10), Noordwijkerhout, The Netherlands, 7-9 May 2011
He, Ligang, Huang, Chenlin, Li, Kenli, Chen, Hao, Sun, Jianhua, Gao, Bo, Duan, Kewei, Jarvis, Stephen A., 2011. Modelling and analyzing the authorization and execution of video workflows. 18th International Conference on High Performance Computing, HiPC 2011, Bangalore, India, 18-21 Dec 2011, Published in 18th International Conference on High Performance Computing, HiPC 2011, pp. 1-10
He, Ligang, Duan, Kewei, Chen, Xueguang, Zou, Deqing, Han, Zongfen, Fadavinia, Ali, Jarvis, Stephen A., 2011. Modelling workflow executions under role-based authorisation control. 8th IEEE International Conference on Services Computing (ICSC'11), Washington DC, USA, 4-9 July 2011, Published in 2011 IEEE International Conference on Services Computing (SCC), pp. 200-208
He, Ligang, Zou, Deqing, Zhang, Zhang, Jin, Hai, Yang, Kai, Jarvis, Stephen A., 2011. Optimizing resource consumptions in clouds. 12th IEEE/ACM International Conference on Grid Computing, Lyon, France, 21-23 Sept 2011, Published in 12th IEEE/ACM International Conference on Grid Computing (GRID), pp. 42-49
Zou, Deqing, He, Ligang, Jin, Hai, Chen, Xueguang, 2009. CRBAC: imposing multi-grained constraints on the RBAC model in the multi-application environment. IFIP International Workshop on Network and System Security, Dalian, People's Republic of China, September 18-19, 2007, Published in Journal of Network and Computer Application, pp. 402-411
Xue, J. W. J., Chester, Adam P., He, Ligang, Jarvis, Stephen A., 2009. Model-driven server allocation in distributed enterprise systems. The 3rd International Conference on Adaptive Business Information Systems, Leipzig, Germany, 23-25 Mar 2009
He, Ligang, Calleja, Mark, Hayes, Mark, Jarvis, Stephen A., 2009. Performance prediction for running workflows under role-based authorization mechanisms. 23rd IEEE International Symposium on Parallel and Distributed Processing, Rome, Italy, 23-29 May 2009, Published in 2009 IEEE International Symposium on Parallel and Distributed Processing, pp. 2767-2774
Chester, Adam P., Xue, J. W. J., He, Ligang, Jarvis, Stephen A., 2008. A system for dynamic resource allocation in application server clusters. 24th UK Performance Engineering Workshop, Imperial College, London, UK, 3?4 July 2008, Published in 24th UK Performance Engineering Workshop 3?4 July 2008, pp. 199-216
Chester, Adam P., Xue, J. W. J., He, Ligang, Jarvis, Stephen A., 2008. A system for dynamic server allocation in application server clusters. IEEE International Symposium on Parallel and Distributed Processing with Applications, Sydney, Australia, Dec 10-12, 2008, Published in IEEE International Parallel and Distributed Processing with Applications Symposium. Proceedings, pp. 130-139
Xue, James W. J., Chester, Adam P., He, Ligang, Jarvis, Stephen A., 2008. Dynamic resource allocation in enterprise systems. 14th International Conference on Parallel and Distributed Systems, Melbourne, Australia, Dec 08-10, 2008, Published in 14th International Conference on Parallel and Distributed Systems (ICPADS 2008), pp. 203-212
He, Ligang, Xue, James Wenjun, Jarvis, Stephen A., 2007. Partition-based profit optimisation for multi-class requests in clusters of servers. IEEE International Conference on e-Business Engineering, Hong Kong, China, 24-26 Oct 2007, Published in IEEE International Conference on e-Business Engineering, 2007. ICEBE 2007, pp. 131-138
Bacigalupo, David A., Jarvis, Stephen A., He, Ligang, Spooner, Daniel P., Nudd, G. R., 2006. A comparative evaluation of two techniques for predicting the performance of dynamic enterprise systems. Parallel Computing (ParCo) 2005, Malaga, Spain, 13-16 Sep 2005, Published in Parallel Computing : Current & Future Issues of High-End Computing, pp. 163-170
He, Ligang, Jarvis, Stephen A., Spooner, Daniel P., Nudd, G. R., 2006. Performance evaluation of scheduling applications with DAG topologies on multiclusters with independent local schedulers. 5th International Workshop on Performance Modelling, Evaluation and Optimization of Parallel and Distributed Systems (PMEO'06), Rhodes Island, Greece, 25-29 Apr 2006, Published in 20th International Parallel and Distributed Processing Symposium, 2006. IPDPS 2006
Chen, Xinuo, Jarvis, Stephen A., Tan, G., He, Ligang, Spooner, Daniel P., Nudd, G. R., 2005. An implementation of BLAST over peer-to-peer and its performance validation through simulation. 8th International Conference on Computer Modelling and Simulation, Oxford, UK, 6-8 Apr 2005
Bacigalupo, David A., Jarvis, Stephen A., He, Ligang, Spooner, Daniel P., Nudd, G. R., 2005. Comparing layered queuing and historical performance models of a distributed enterprise application. Proceedings of the International Conference on Parallel and Distributed Computing and Network (PDCN'05), Innsbruck, Austria, 15-17 Feb 2005
He, Ligang, Jarvis, Stephen A., Spooner, Daniel P., Bacigalupo, David A., Tan, G., Nudd, G. R., 2005. Mapping DAG-based applications to multiclusters with background workload. 5th IEEE International Symposium on Cluster Computing and the Grid (CCGrid 2005), Cardiff, Wales, 09-12 May 2005, Published in IEEE International Symposium on Cluster Computing and the Grid, 2005. CCGrid 2005, pp. 855-862
Tan, G., Jarvis, Stephen A., He, Ligang, Chen, Xinuo, Spooner, Daniel P., Nudd, G. R., 2005. Modelling web transfer performance over asymmetric networks. 11th International Conference on Parallel and Distributed Systems, 2005. Proceedings, Fukuoka, Japan, Jul 20-22 2005, Published in 11th International Conference on Parallel and Distributed Systems Workshops, Vol II, Proceedings, pp. 110-114
Bacigalupo, David A., Jarvis, Stephen A., He, Ligang, Nudd, G. R., 2004. An investigation into the application of different performance techniques to e-commerce applications. Workshop on Performance Modelling, Evaluation and Optimization of Parallel and Distributed Systems (PMEO'04), Santa Fe, New Mexico, USA, 26-30 Apr 2004
He, Ligang, Jarvis, Stephen A., Spooner, Daniel P., Nudd, G. R., 2004. Optimising static workload allocation in multiclusters. Proceedings of the 18th IEEE International Parallel and Distributed Processing Symposium (IPDPS'04), Santa Fe, New Mexico, USA, 26-30 Apr 2004, Published in 18th International Parallel and Distributed Processing Symposium, 2004. Proceedings
He, Ligang, Jarvis, Stephen A., Spooner, Daniel P., Nudd, G. R., 2003. Dynamic scheduling of parallel real-time jobs by modelling spare capabilities in heterogeneous clusters. IEEE International Conference on Cluster Computing, Hong Kong, China, 01-04 Dec 2003, Published in 2003 IEEE International Conference on Cluster Computing, 2003. Proceedings, pp. 2-10

Jarvis, Stephen A., He, Ligang, Spooner, Daniel P., Nudd, G. R., 2004. The impact of predictive inaccuracies on execution scheduling. University of Warwick. Department of Computer Science

Title	Funder	Award start	Award end
Developing deep learning techniques for collaborative training of multi-sourced, distributed big data	Shandong Worldwide Byte Security Information Technology, Co., Ltd	01 May 2018	31 Oct 2021
Optimizing the I/O Performance of the Xen-based Cloud Platform	WinHong Information Technology Co. Ltd	15 Sep 2018	29 May 2019
Bull / Warwick Premier Partnership(Richard Bunt & Robert Bird - Studentships)	Bull Information Systems Ltd	01 Oct 2012	30 Sep 2015
Predicting Performance for Applications Running Under Authorization Mechanisms	Leverhulme Trust	01 Jul 2011	30 Jun 2014