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8th IEEE/ACM international conference on grid computing

作者： Goble, Carole De Roure, David Univ Manchester Sch Comp Sci Manchester M13 9PL Lancs England Univ Southampton Sch Elect Engn & Comp Sci Southampton SO17 1BL Hants England

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ISBN: (纸本)9781424415595

No abstract available.

关键词： Middleware Service oriented architecture Semantic Web distributed computing grid computing Web services Computer science Computer interfaces distributed information systems Testing

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CMS on the grid: Toward a fully distributed computing architecture

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NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS 2003年 120卷 113-118页

作者： Innocente, V CERN Div EP CH-23 Geneva Switzerland

the computing systems required to collect, analyse and store the physics data at LHC would need to be distributed and global in scope. CMS is actively involved in several grid-related projects to develop and deploy a fully distributed computing architecture. We present here recent developments of tools for automating job submission and for serving data to remote analysis stations. Plans for further test and deployment of a production grid are also described.

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A robust PDE solver for the 3D Stokes/Navier-Stokes systems on the grid environment 07

A robust PDE solver for the 3D Stokes/Navier-Stokes systems ...

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8th IEEE/ACM international conference on grid computing

作者： Yang, Huidong Zulehner, Walter Langer, Ulrich Baumgartner, Markus Johannes Kepler Univ Linz Inst Computat Math Altenbergstr 69 A-4040 Linz Austria Johannes Kepler Univ Linz Inst Graph & Parallel Proc A-4040 Linz Austria

ISBN: (纸本)9781424415595

Since grid computing provides users with more distributed computing and storage resources, it gives us an opportunity to design new efficient and robust solvers for the numerical solutions of partial differential equations (PDEs). For instance, large scale problems in computational fluid dynamics (CFD) can be efficiently simulated under this environment. However, unfortunately, most of the currently developed PDE solvers using the finite element method (FEM), usually tight combinations of a mesh generator and a linear system solver, are not qualified for the grid computing environment. In this paper, based on principles of grid computing, we present a grid-enabled Client/Server model for solving the Stokes/(incompressible) Navier-Stokes system in 3D.

关键词： Robustness grid computing Computational fluid dynamics distributed computing Partial differential equations Large-scale systems Computational modeling Finite element methods Mesh generation Linear systems

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A scalable framework for parallel discrete event simulations on desktop grids 07

A scalable framework for parallel discrete event simulations...

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8th IEEE/ACM international conference on grid computing

作者： Park, Alfred Fujimoto, Richard Georgia Inst Technol Coll Comp Comp Sci & Engn Div 266 Ferst Dr Atlanta GA 30332 USA

ISBN: (纸本)9781424415595

Utilizing desktop grid infrastructures is challenging for parallel discrete event simulation (PDES) codes due to characteristics such as inter-process messaging, restricted execution, and overall lower concurrency than typical volunteer computing projects. the Aurora2 system uses an approach that simultaneously provides both replicated execution support and scalable performance of PDES applications through public resource computing. this is accomplished through a multi-threaded distributed back-end system, low overhead communications middleware, and an efficient client implementation. this paper describes the Aurora2 architecture and issues pertinent to PDES executions in a desktop grid environment that must be addressed when distributing back-end services across multiple machines. We quantify improvement over the first generation Aurora system through a comparative performance study detailing PDES programs with various scalability characteristics for execution over desktop grids.

关键词： Discrete event simulation distributed computing Concurrent computing grid computing Middleware Computational modeling Computer applications Large-scale systems Educational institutions Drives

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A scheduling-emphasized design model for grid computing system

A scheduling-emphasized design model for grid computing syst...

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8th international conference on Computer Supported Cooperative Work in Design

作者： Ji, P Luo, JZ SE Univ Dept Comp Sci & Engn Nanjing 210096 Peoples R China

ISBN: (纸本)7506262096

grid computing is a new distributed computing technology that deals with data-dense and hyper-complex computing applications. Based on the analysis of some typical grid systems, the paper presents a new scheduling emphasized design model for grid computing System, and goes further to point out the existing problems and the future trend of this technology.

关键词： distributed computer systems

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Scientific workflow scheduling in computational grids - Planning, reservation, and data/network-awareness 07

Scientific workflow scheduling in computational grids - Plan...

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8th IEEE/ACM international conference on grid computing

作者： Yan, Yonghong Chapman, Barbara Univ Houston Dept Comp Sci Houston TX 77204 USA

ISBN: (纸本)9781424415595

A very important issue in executing a scientific workflow in computational grids is how to map and schedule workflow tasks onto multiple distributed resources and handle task dependencies in a timely manner to deliver users' expected performance. In this paper, we present our work to develop and evaluate an advanced workflow scheduler in computational grid environments, the GRACCE scheduler. the GRACCE scheduler applies advanced scheduling techniques, such as resource negotiation and reservation, data/network-aware scheduling and performance prediction in the resource allocation and execution planning process. To evaluate the scheduler, we have set up an experimental environment that models a computational grid in those aspects relevant to workflow scheduling. Our results show the average performance improvement, using the GRACCE scheduler, is about 20% under high resource loads.

关键词： Processor scheduling Computer networks grid computing Resource management distributed computing Scheduling algorithm Process planning Computational modeling Computer science Engines

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A high-throughput application for the dynamic analysis of structures on a grid environment

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ADVANCES IN ENGINEERING SOFTWARE 2008年第10期39卷 839-848页

作者： Alonso, J. M. Hernandez, V. Molto, G. Univ Politecn Valencia Dept Sistemas Informat & Computac Valencia Spain

this paper describes a grid computing application for the 3D dynamic analysis of large dimension buildings. A previously developed software composed of parallel implementations of eight direct integration methods has been integrated on this application, in order to perform structural simulations on a grid deployment. the GMarte software abstraction layer has been employed to couple the parallel simulator with the grid infrastructure. Performing distributed executions has enabled a considerable reduction in the global execution time of structural dynamic studies composed of different design alternatives. (c) 2007 Elsevier Ltd. and Civil-Comp Ltd. All rights reserved.

关键词： grid computing technology 3D structural dynamic analysis large dimension buildings HPC techniques direct time integration methods grid middleware

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grid-based asynchronous replica exchange 07

Grid-based asynchronous replica exchange

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8th IEEE/ACM international conference on grid computing

作者： Li, Zhen Parashar, Manish Rutgers State Univ Dept Elect & Comp Engn Piscataway NJ 08854 USA

ISBN: (纸本)9781424415595

Replica exchange is a powerful sampling algorithm and can be effectively used for applications such as simulating the structure, function, folding, and dynamics of proteins and drug design. However, grid-based implementations of the algorithm present significant challenges due to its synchronization and communication requirements. this paper presents an asynchronous formulation of the replica exchange algorithm and the design and implementation of a grid-based asynchronous replica exchange engine (GARE). GARE is based on CometG, a decentralized computational infrastructure for Desktop grid environments that provides a scalable communication and interaction substrate and presents a virtual semantically specialized shared space abstraction. It enables the dynamic and asynchronous interactions required by the algorithm to be simply expressed and efficiently implemented. the design and implementation of GARE/CometG and the replica exchange simulations that it enables are presented. Experimental evaluations using the PlanetLab [1] wide-area test bed as well as a campus grid environment are presented.

关键词： grid computing Temperature Computational modeling Algorithm design and analysis Protein engineering Application software Drugs distributed computing Power engineering and energy Sampling methods

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Multi-objective planning for workflow execution on grids 07

Multi-objective planning for workflow execution on Grids

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8th IEEE/ACM international conference on grid computing

作者： Yu, Jia Kirley, Michael Buyya, Rajkumar Univ Melbourne Dept Comp Sci & Software Engn Grid Comp & Distributed Syst GRIDS Lab Melbourne Vic 3010 Australia

ISBN: (纸本)9781424415595

Utility grids create an infrastructure for enabling users to consume services transparently over a global network. When optimizing workflow execution on utility grids, we need to consider multiple Quality of Service (QoS) parameters including service prices and execution time. these optimization objectives may be in conflict. In this paper, we have proposed a workflow execution planning approach using multi-objective evolutionary algorithms (MOEAs). Our goal was to generate a set of trade-off scheduling solutions according to the users QoS requirements. the alternative trade-off solutions offer more flexibility to users when estimating their QoS requirements of workflow executions. Simulation results show that MOEAs are able to find a range of compromise solutions in a short computational time.

关键词： Quality of service Costs grid computing Optimization methods Laboratories Computer science Software engineering Evolutionary computation Processor scheduling Computational modeling

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Fair resource sharing in hierarchical virtual organizations for global grids 07

Fair resource sharing in hierarchical virtual organizations ...

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8th IEEE/ACM international conference on grid computing

作者： Kim, Kyong Hoon Buyya, Rajkumar Univ Melbourne Dept Comp Sci & Software Engn Grid Comp & Distributed Syst GRIDS Lab Carlton Vic Australia

ISBN: (纸本)9781424415595

In global grid computing, users and resource providers organize various Virtual Organizations (VOs) to share resources and services. A VO organizes other sub-VOs for the purpose of achieving the VO goal, which forms hierarchical VO environments. Resource providers and VOs agree upon VO resource sharing policies, such as resource sharing amount. thus, users in lower-layer VOs can access resources in higher-layer VOs to accomplish their common goals. In this paper, we deal with fair resource allocation problem in hierarchical VOs, so that an appropriate proportion of a VO resource for each lower-layer VO is analyzed. In addition, we provide a resource allocation scheme based on these predefined proportions. Simulation results show that the proposed approach gives better fairness as well as performance compared with other schemes.

关键词： Resource management grid computing Processor scheduling Large-scale systems Authorization Aggregates Laboratories Computer science Software engineering Computational modeling

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