2012 5th Romania Tier 2 Federation Grid, Cloud & High Performance Computing Science (RQLCG)

25-27 Oct. 2012

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  • [Front and back cover]

    Publication Year: 2012, Page(s):c1 - c4
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  • [Title page]

    Publication Year: 2012, Page(s): 1
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  • [Title page 2]

    Publication Year: 2012, Page(s): 1
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  • [Blank page]

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  • Content

    Publication Year: 2012, Page(s):1 - 2
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  • ISS Computing Facility - Status report on clustering and grid services

    Publication Year: 2012, Page(s):7 - 10
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (464 KB) | HTML iconHTML

    In this paper we describe existing datacenter topology and the hardware as well the architecture and components of main GRID middleware used at ISS (gLite - EMI and AliEn). In the end is presented a status report of ISS facility performance numbers as seen by the GRID monitoring tools. View full abstract»

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  • FPGA based hardware architectures for high performance computing applications

    Publication Year: 2012, Page(s):11 - 14
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    The paper describes the FPGA technology together with its possibility to exploit spatial and temporal parallelism in order to develop high performance computing applications. The development of hardware architecture using FPGA technology represents a reliable solution in case of various applications where fast processing it's mandatory. Two applications are presented where the FPGA technology is u... View full abstract»

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  • The role of the internal rotation on the 5-benzyluracil excited states

    Publication Year: 2012, Page(s):15 - 18
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (589 KB) | HTML iconHTML

    The structure and barrier to internal rotation of 5-benzyluracil along the CH2bridge between the benzol and uracil molecular fragments in the ground state has been examined. The electronically excited S1- and S2-state has been calculated by time-dependent density functional level of theory using the B3LYP exchange-correlation functional with aug-cc-pVTZ basis set. ... View full abstract»

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  • Migration from gLite to EMI in RO-16-UAIC site

    Publication Year: 2012, Page(s):19 - 22
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1067 KB) | HTML iconHTML

    Grid infrastructure and middleware becomes a technology used by many applications and, as a result, the number of jobs running in GRID is continuously growing. The process of installation, configuration and testing of a GRID site depends on the specific middleware suite and also it is important to choose the middleware according with the available VOs (virtual organizations). In this paper we desc... View full abstract»

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  • Eagle eye - Feature extraction from satellite images on a 3D map of Romania

    Publication Year: 2012, Page(s):23 - 26
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (503 KB) | HTML iconHTML

    This paper describes an application that simulates a virtual 3D map of Romania together with the basic components used for extracting features from satellite images on hybrid computing architectures. The considered architectures are Intel Quad-Core Xeons handling post-transformation routines and decision making code and IBM PowerXCell 8i processors employed as accelerators for computing intensive ... View full abstract»

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  • ITIM activity in Grid and High Performance Computing

    Publication Year: 2012, Page(s):27 - 30
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (554 KB) | HTML iconHTML

    It is important to find ways to make the most of the resources you already have. In sectors like research, life science and many others significant improvements have been realized through grid computing. This domain allows us to link together the processors, storage and/or memory of distributed computers to make efficient use of all available computer resources to solve large problems quicker. Thi... View full abstract»

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  • Cloud research - Implementing scientific research information systems in open source cloud platforms

    Publication Year: 2012, Page(s):31 - 34
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (292 KB) | HTML iconHTML

    In this paper we describe how cloud architecture can be used for Scientific Research Information Systems and introduce SlapOS, the first open source operating system for Distributed Cloud Computing. SlapOS is based on a grid computing daemon - called slapgrid - which is capable of installing any software on a PC and instantiate any number of processes of potentially infinite duration of any instal... View full abstract»

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  • Quantitative conditioning criteria in bayesian automatic adaptive quadrature

    Publication Year: 2012, Page(s):35 - 38
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (195 KB) | HTML iconHTML

    Quantitative criteria enabling Bayesian inferences on the integrand conditioning over monotonicity intervals defined on integrand profiles obtained within the process of building the subrange binary tree associated to the numerical solution of a Riemann integral by automatic adaptive quadrature are derived. The theoretically obtained admissible relative variation bounds of the first order divided ... View full abstract»

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  • Modeling impurity migration in multilayer systems using parallelization

    Publication Year: 2012, Page(s):39 - 40
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (156 KB) | HTML iconHTML

    The present article shows how a model of diffusion, applied to the migration of a substance from a layer of polymer to multiple layers which are in contact, can be improved by parallelization methods, when the model is used for a large scale simulation. We present briefly the mathematical description, and then the benefits obtained in execution time when we use the OpenMP standard for the applicat... View full abstract»

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  • Research e-infrastructure upgrade project at IMCS UL

    Publication Year: 2012, Page(s):41 - 44
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (216 KB) | HTML iconHTML

    IMCS UL continues its enduring development of research e-infrastructure, participates in international projects such as GÉANT, GÉANT2, GÉANT3, BalticGRID, BalticGRID II and EGI-InSPIRE. IMCS UL now maintains two GRID clusters, ½ PTB SAN storage with servers; provides colocation, hosting and virtualization services. In the same way IMCS UL supports .LV domain name and CERT services at the national ... View full abstract»

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  • Distributed dynamics analysis of spiking neural network simulations

    Publication Year: 2012, Page(s):45 - 48
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (259 KB) | HTML iconHTML

    In order increase the chance of the adoption of new parallelization strategies and algorithms in the computational neuroscience community, one needs first to quantify qualitatively and quantitatively their impact on the almost chaotic dynamic behavior of neural microcircuit simulations. The analysis of this dynamics behavior is computationally expensive, as a large number of simulation scenarios n... View full abstract»

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  • Changing user attitudes to security in bring your own device (BYOD) & the cloud

    Publication Year: 2012, Page(s):49 - 52
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (578 KB) | HTML iconHTML

    Supporting modern workers and learners requires a shift in attitude of IT managers worldwide. Movement to bring your own device with further resources on the cloud seems inevitable. However despite the trend toward mobility and flexibility in IT there is a significant requirement for BYOD users to re-evaluate their attitude toward the security of their own devices and the resources they utilize on... View full abstract»

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  • Legal issues surrounding Data Storage on the cloud

    Publication Year: 2012, Page(s):53 - 56
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (167 KB) | HTML iconHTML

    It is not surprising that businesses are moving toward data storage on the cloud. Legal issues surrounding data storage on the cloud are becoming more complex. Changes to National and European Laws have wide ranging impact on the storage of data in the cloud. Legal issues need to be addressed carefully in order to review the ramifications of governance of data storage within the cloud. This paper ... View full abstract»

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  • The scalling of computational time as a function of number of processors for Quantum Monte Carlo study of CO molecule

    Publication Year: 2012, Page(s):57 - 58
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB) | HTML iconHTML

    We tested the efficiency of the MPI cluster in NIRDIMT by using a Quantum Monte Carlo algorithm (QMC). While the algorithm is highly efficient we show that a decrease of the computing efficiency occurs if the processor number is larger than eight. View full abstract»

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  • Support for multiple virtual organizations in the Romanian LCG Federation

    Publication Year: 2012, Page(s):59 - 62
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (645 KB)

    The Higgs' boson rush has generated a huge activity in the LHC experiments and, implicitly, in LCG, which is the basic tool for accelerating discovery in physics. When experiments use all the grid resources they get, efficiency becomes more important than ever. This article analyses the role the Romanian Tier-2 Federation plays within the WLCG collaboration and the technical solutions implemented ... View full abstract»

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  • National and regional organization of collaborations in advanced computing

    Publication Year: 2012, Page(s):63 - 66
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (294 KB) | HTML iconHTML

    A review of the models of organization of the advanced computing collaborations at national and regional levels in South East Europe is presented, based on the analysis performed in the framework of the HP-SEE project [1]. Then the national HPC infrastructure and the evolution of its governance model are described. The strategy of building an integrated system for providing platform and software a... View full abstract»

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  • Using a cloud infrastructure for the on demand provisioning of worker nodes in a grid environment

    Publication Year: 2012, Page(s):67 - 69
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (255 KB) | HTML iconHTML

    We showcase the development and deployment of a service that uses a reference Cloud infrastructure to dynamically scale up or down the resources offered through a production Grid cluster. Whenever certain thresholds related to the demand for computing resources are met the service handles the introduction (or removal) of virtualized computing resources under the Grid computing queues. View full abstract»

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  • Cloudware support for scientific applications

    Publication Year: 2012, Page(s):70 - 73
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (177 KB) | HTML iconHTML

    Cloud computing paradigm was introduced to serve the requirements of web applications and social networks with fluctuating number of users and inputs. The scientific community has found interest mainly in the deployment model of infrastructure-as-a-service that allows the highly desired control of the execution environments not sufficiently covered by other distributed computing paradigm. We try t... View full abstract»

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