Flexible composition and execution of large scale applications on distributed e-infrastructures

Zasada, Stefan J. and Chang, David C.W. and Haidar, Ali N. and Coveney, Peter V. (2014) Flexible composition and execution of large scale applications on distributed e-infrastructures. Journal of Computational Science, 5. pp. 51-62. ISSN 1877-7503

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Abstract

Computer simulation is finding a role in an increasing number of scientific disciplines, concomitant with the rise in available computing power. Marshalling this power facilitates new, more effective and different research than has been hitherto possible. Realizing this inevitably requires access to computational power beyond the desktop, making use of clusters, supercomputers, data repositories, networks and distributed aggregations of these resources. The use of diverse e-infrastructure brings with it the ability to perform distributed multiscale simulations. Accessing one such resource entails a number of usability and security problems; when multiple geographically distributed resources are involved, the difficulty is compounded. In this paper we present a solution, the Application Hosting Environment,3 which provides a Software as a Service layer on top of distributed e-infrastructure resources. We describe the performance and usability enhancements present in AHE version 3, and show how these have led to a high performance, easy to use gateway for computational scientists working in diverse application domains, from computational physics and chemistry, materials science to biology and biomedicine.

Item Type:	Article
Identification Number:	10.1016/j.jocs.2013.10.009
Dates:	Date Event January 2014 Published
Uncontrolled Keywords:	E-infrastructure; High performance computing; Application virtualization; Usability
Subjects:	CAH11 - computing > CAH11-01 - computing > CAH11-01-01 - computer science
Divisions:	Faculty of Computing, Engineering and the Built Environment > College of Computing
Depositing User:	Oana-Andreea Dumitrascu
Date Deposited:	09 Jun 2017 10:42
Last Modified:	19 Jun 2024 14:02
URI:	https://www.open-access.bcu.ac.uk/id/eprint/4548

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