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The Effect of Multi-core on HPC Applications in Virtualized Systems [chapter]

Jaeung Han, Jeongseob Ahn, Changdae Kim, Youngjin Kwon, Young-ri Choi, Jaehyuk Huh
2011 Lecture Notes in Computer Science  
However, using multiple VMs on a physical system for the same instance of MPI applications may adversely affect the overall performance, by increasing I/O operations through the domain 0 VM.  ...  Due to the lack of support for non-uniform memory access (NUMA) in the Xen hypervisor, shared memory applications suffer from a significant performance degradation by virtualization.  ...  Using multiple VMs on a physical system for the same instance of MPI applications may degrade the performance significantly for a subset of NPB applications.  ... 
doi:10.1007/978-3-642-21878-1_76 fatcat:6gjkpgfgzzgu3pedabuykdxzem

Understanding the effects of hypervisor I/O scheduling for virtual machine performance interference

Ziye Yang, Haifeng Fang, Yingjun Wu, Chungi Li, Bin Zhao, H. Howie Huang
2012 4th IEEE International Conference on Cloud Computing Technology and Science Proceedings  
In this paper, we propose vExplorer, a distributed VM I/O performance measurement and analysis framework, where one can use a set of representative I/O operations to identify the I/O scheduling characteristics  ...  However, the performance of a VM can be negatively affected by co-resident VMs.  ...  Acknowledgment The authors thank anonymous reviewers for their helpful suggestions. This work is in part supported by National Science Foundation grant OCI-0937875.  ... 
doi:10.1109/cloudcom.2012.6427495 dblp:conf/cloudcom/YangFWLZH12 fatcat:4nvsdhxahrd3jlgu33ciq3mkym

Smart VM co-scheduling with the precise prediction of performance characteristics

Yuxia Cheng, Wenzhi Chen, Zonghui Wang, Zhongxian Tang, Yang Xiang
2016 Future generations computer systems  
To address these problems, we design and implement a smart VM co-scheduling system with precise prediction of performance characteristics.  ...  VM scheduling algorithms to improve system efficiency and guarantee the QoS of VMs. a b s t r a c t Traditional virtualization systems cannot effectively isolate the shared micro-architectural resources  ...  Fig. 4 . 4 Overview of the smart VM co-scheduling system with the precise prediction of performance characteristics.  ... 
doi:10.1016/j.future.2016.11.022 fatcat:zu4zn4aqsbajfhmxsq2227u4eu

A survey on load balancing algorithms for virtual machines placement in cloud computing

Minxian Xu, Wenhong Tian, Rajkumar Buyya
2017 Concurrency and Computation  
The goal of this paper is to provide a comprehensive and comparative understanding of existing literature and aid researchers by providing an insight for potential future enhancements.  ...  A detailed classification targeting load balancing algorithms for VM placement in cloud data centers is investigated and the surveyed algorithms are classified according to the classification.  ...  to mitigate this problem.  ... 
doi:10.1002/cpe.4123 fatcat:fzbfejblzrdyjhaezylkg4ye4q

Fault-Tolerant Scheduling for Scientific Workflows in Cloud Environments

K. Vinay, S.M. Dilip Kumar
2017 2017 IEEE 7th International Advance Computing Conference (IACC)  
To mitigate the failure of clustered tasks, this algorithm uses idle-time of the provisioned resources to resubmit failed clustered tasks for successful execution of SWf.  ...  In this paper, a new heuristic called Cluster based Heterogeneous Earliest Finish Time (C-HEFT) algorithm to enhance the scheduling and fault tolerance mechanism for SWf in highly distributed cloud environments  ...  The proposed algorithm considers idle-time of the VMs to schedule failed tasks for re-execution, thus consumes less time to complete SWf as compared with HEFT algorithm. 2) Cost Evaluation: Fig. 5 shows  ... 
doi:10.1109/iacc.2017.0043 fatcat:qbxxgmveqner3kr3juqicsnelu

Effects of Intercropping with Post-Grafting Generation of Cosmos sulphureus on Total Potassium Content in Grape Seedling under Cadmium Stress

Rongping Hu, Lijin Lin, Dan Xia, Jin Wang, Xiulan Lv
2018 IOP Conference Series: Earth and Environment  
In this work, we propose a Staggering Peak Scheduling by Load-aware Model (SPSLAM) when researching the task scheduling problem of cloud mixed workloads.  ...  To address the issue of cloud mixed workloads scheduling which might lead to system load imbalance and efficiency degradation in cloud computing, a novel cloud task staggering peak scheduling policy based  ...  The authors are grateful to the anonymous reviewers for their helpful comments and feedback. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.1088/1755-1315/199/3/032033 fatcat:ricnpvtxnrez5fyllan7glecby

Task Staggering Peak Scheduling Policy for Cloud Mixed Workloads

Zhigang Hu, Yong Tao, Meiguang Zheng, Chenglong Chang
2018 Information  
To address the issue of cloud mixed workloads scheduling which might lead to system load imbalance and efficiency degradation in cloud computing, a novel cloud task staggering peak scheduling policy based  ...  Finally, the task sequences of specific type are scheduled for the corresponding light loaded resources, and the resources usage peak is staggered to achieve load balancing.  ...  The authors are grateful to the anonymous reviewers for their helpful comments and feedback. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/info9120329 fatcat:4v5krahj4zfvrmregl6xhjjr3i

Resource-conscious scheduling for energy efficiency on multicore processors

Andreas Merkel, Jan Stoess, Frank Bellosa
2010 Proceedings of the 5th European conference on Computer systems - EuroSys '10  
The characteristics of individual applications, the assignment of applications to machines and execution contexts, and the selection of processor frequencies have a dramatic impact on resource contention  ...  We employ the concept of task activity vectors for characterizing applications by resource utilization.  ...  Since the live migration proved to be unstable when being used with our extended kernel, we had to resort to an offline version; that is, to relocate a VM, the source host first stops the VM and then saves  ... 
doi:10.1145/1755913.1755930 dblp:conf/eurosys/MerkelSB10 fatcat:w6fzh44onzefrechytdyt4y7da

Towards high-available and energy-efficient virtual computing environments in the cloud

Altino M. Sampaio, Jorge G. Barbosa
2014 Future generations computer systems  
h i g h l i g h t s • A review of failure-aware algorithms for resource provisioning on clouds. • The development of power-and failure-aware cloud scheduling algorithms that implement vertical and horizontal  ...  With the development of virtualisation tools such as KVM, Xen, and VMware, new capabilities are introduced, such as VM live migration, VM checkpoint/restart, and VM pause/unpause, while the performance  ...  Acknowledgement The authors would like to thank the IBM Portugal Center for Advanced Studies for providing access to a high-performance IBM Cluster, where the real platform experiments were performed.  ... 
doi:10.1016/j.future.2014.06.008 fatcat:zsfoeeub6jehtbtsaqgh244qb4

A Fuzzy Logic Controller for Tasks Scheduling Using Unreliable Cloud Resources [article]

Panagiotis Oikonomou, Kostas Kolomvatsos, Nikos Tziritas, Georgios Theodoropoulos, Thanasis Loukopoulos, Georgios Stamoulis
2020 arXiv   pre-print
In this paper, we present a dynamic scheduling algorithm (i.e., the Uncertainty-Driven Scheduling - UDS algorithm) for the management of scientific workflows in Cloud.  ...  Numerical results depict the performance of the proposed approach and a comparative assessment reveals the position of the paper in the relevant literature.  ...  To mitigate the performance variation of Cloud environment as well as the unstable nature of unreliable virtualized resources, we propose a 'fast', however, efficient technique that covers the uncertainty  ... 
arXiv:2009.10515v1 fatcat:xh3i2aqkenbexduyek3cbv4tgy

vHaul: Towards Optimal Scheduling of Live Multi-VM Migration for Multi-tier Applications

Hui Lu, Cong Xu, Cheng Cheng, Ramana Kompella, Dongyan Xu
2015 2015 IEEE 8th International Conference on Cloud Computing  
Beyond single VM migration, a multi-tier application involves a group of correlated VMs and its live migration will require careful scheduling of the migrations of the member VMs.  ...  distinct performance impacts on a multi-tier application.  ...  Any opinions, findings, and conclusions in this paper are those of the authors and do not necessarily reflect the views of NSF.  ... 
doi:10.1109/cloud.2015.67 dblp:conf/IEEEcloud/LuXCKX15 fatcat:eovrtmk3hrgm5oemelstethzwa

Dynamic Power- and Failure-Aware Cloud Resources Allocation for Sets of Independent Tasks

A. M. Sampaio, J. G. Barbosa
2013 2013 IEEE International Conference on Cloud Engineering (IC2E)  
The results indicate that our algorithms perform better targeting power-efficiency and SLA fulfillment, in face of cloud infrastructure failures.  ...  Relying in virtualization technology, the construction of these computing environments targets improvements in the infrastructure, such as power-efficiency and fulfillment of users' SLA specifications.  ...  Authors contribute with a novel hierarchical metric that capture power and performance profiles on the VMs, which allows to dynamically schedule the VMs across the pool of PMs and optimize energy and performance  ... 
doi:10.1109/ic2e.2013.16 dblp:conf/ic2e/SampaioB13 fatcat:qspoxqw75zhqnkyqu456tmwy5e

Model-driven scheduling for distributed stream processing systems

Anshu Shukla, Yogesh Simmhan
2018 Journal of Parallel and Distributed Computing  
In this article, we propose a model-driven approach for scheduling streaming applications that effectively utilizes a priori knowledge of the applications to provide predictable scheduling behavior.  ...  Together, this model-driven scheduling approach gives a predictable application performance and resource utilization behavior for executing a given DSPS application at a target input stream rate on distributed  ...  on 5 VMs using the 5 scheduling strategy pairs Table 1 : 1 Characteristics of representative tasks for which performance modeling is performed Task CPU bound?  ... 
doi:10.1016/j.jpdc.2018.02.003 fatcat:5gthaekx4bhdpoxz7m2ly7s3r4

Taxonomy of Contention Management in Interconnected Distributed Systems [chapter]

Rajkumar Buyya
2014 Computing Handbook, Third Edition  
In this paper, we deal with different types of resource contentions occurring in interconnected distributed systems as well as approaches for resolving them.  ...  Therefore, these environments are prone to contention between user requests for accessing resources.  ...  For that purpose they anticipate the average response time of external requests waiting in the queue by considering characteristics of local requests such as inter-arrival rate and size.  ... 
doi:10.1201/b16812-65 fatcat:paqnulwbbbaxjlu32jmssyeu3y

Vertical Scaling for Prioritized VMs Provisioning

Lenar Yazdanov, Christof Fetzer
2012 2012 Second International Conference on Cloud and Green Computing  
The controller facilitates the elastic provisioning of applications using a combination of adapting the resource constraints of VMs and dynamically plugging in new virtual CPUs.  ...  The results show that our controller allows to reduce total CPU time in comparison to statically allocated CPU with of minimum SLA violation rate and provides stable response time for high priority VM,  ...  Consider the following example. Initially VMs get some fixed number of CPUs with certain power unit. VMs have different priority. The goal is to provide better performance for high priority VM.  ... 
doi:10.1109/cgc.2012.108 dblp:conf/cgc/YazdanovF12 fatcat:huvnqg6uxvaqfjxqqtamsurcjm
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