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IaaS Cloud Benchmarking: Approaches, Challenges, and Experience [chapter]

Alexandru Iosup, Radu Prodan, Dick Epema
2014 Cloud Computing for Data-Intensive Applications  
For IaaS clouds to become mainstream technology and for current cost models to become more clientfriendly, benchmarking and comparing the non-functional system properties of various IaaS clouds is important  ...  In this article we focus on the IaaS cloudspecific elements of benchmarking, from a user's perspective.  ...  The black-box execution approach in IaaS clouds of externally-compiled software encapsulated in VMs generates high degradations from the expected peak performance, up to six to eight times lower than the  ... 
doi:10.1007/978-1-4939-1905-5_4 fatcat:27lr6kkccvdydmviuot6f2khgm

Digi-Clima Grid: image processing and distributed computing for recovering historical climate data

Sergio Nesmachnow, Gabriel Usera, Francisco Brasileiro
2015 CLEI Electronic Journal  
A experimental analysis over institutional and volunteer-based grid/cloud distributed systems demonstrate that the proposed approach is an efficient tool for recovering historical climate data.  ...  However, the analysis and utilization of the historical climate data is very difficult, mainly due to the paper-format in which they  ...  This decision allows working with the black-box approach, since it does not require performing modifications to the program code to handle threads, external functions and/or intermediate data.  ... 
doi:10.19153/cleiej.18.3.4 fatcat:7f7nri66srbkvaksacr3furfeu

Issues and scenarios for self-managing grid middleware

Philippe Collet, Filip Křikava, Johan Montagnat, Mireille Blay-Fornarino, David Manset
2010 Proceeding of the 2nd workshop on Grids meets autonomic computing - GMAC '10  
Based on failures that occurred during a large data challenge run on a grid dedicated to neuroscience, we identify scenarios that can be handled through autonomic management associated to the grid middleware  ...  Despite significant efforts to achieve reliable grid middlewares, grid infrastructures still encounter important difficulties to implement the promise of ubiquitous, seamless and transparent computing.  ...  The authors would like to thank Remi Mollon for providing valuable details and remarks on some technical parts of the scenarios.  ... 
doi:10.1145/1809029.1809033 fatcat:tyfzuc24qvdd7m4xcqn672hqc4

Ukrainian Grid Infrastructure: Practical Experience

Mykhaylo Zynovyev, Sergiy Svistunov, Oleksandr Sudakov, Yuriy Boyko
2007 2007 4th IEEE Workshop on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications  
Since then an extensive work is carried out in order to build a full-scale Grid infrastructure for scientific and educational institutions.  ...  In 2006 National Academy of Sciences of Ukraine approved the project for development of Grid technologies in Ukraine.  ...  Our experience has confirmed that ARC is a lightweight, non-intrusive, portable, out-of-the-box middleware solution.  ... 
doi:10.1109/idaacs.2007.4488397 fatcat:dmuz6lj5p5dxhdo536l52rnqem

A Conceptual Grid Architecture for Interactive Biomedical Applications

A. Tirado-Ramos, P.M.A. Sloot
2006 19th IEEE Symposium on Computer-Based Medical Systems (CBMS'06)  
We apply our approach to a biomedical application for the simulation of blood flow, within a production Grid framework, and present our conclusions.  ...  The growing complexity of distributed biomedical application requirements present new challenges to the representation of software architectural analysis and design.  ...  Shulakov, as well as the CrossGrid integration team for their contributions to this work. References  ... 
doi:10.1109/cbms.2006.8 dblp:conf/cbms/Tirado-RamosS06 fatcat:p7kpjoir2feazms7f2oraoaax4

Workflow-Based Data Parallel Applications on the EGEE Production Grid Infrastructure

Johan Montagnat, Tristan Glatard, Isabel Campos Plasencia, Francisco Castejón, Xavier Pennec, Giuliano Taffoni, Vladimir Voznesensky, Claudio Vuerli
2008 Journal of Grid Computing  
to efficiently exploit the EGEE grid resources.  ...  Setting up and deploying complex applications on a grid infrastructure is still challenging and the programming models are rapidly evolving.  ...  We are grateful to the EGEE European project (contract number INFSO-RI-508833) for providing resources and support to the experiments described in this paper.  ... 
doi:10.1007/s10723-008-9108-x fatcat:zyz6u47o5baebc62qcuaiod2hi

EA-based Problem Solving Environment over the GRID [chapter]

Mohamed Wahib, Asim Munawar, Masaharu Munetomo, Kiyoshi Akam
2008 Advances in Evolutionary Algorithms  
Solvers that are meta heuristics based support black box optimization in which the user provides the input and receives the output without knowledge of the underlying computation, black box optimization  ...  The case of MHGrid despite being a service-oriented application, yet it used a different approach to combine SOA with grid technology.  ... 
doi:10.5772/6126 fatcat:kysdiom4p5az5plouik7pmc3ru


2011 Science: Image in Action  
Community believes AI/DM methods are black boxes Implementation of a second generation of tools The r.m.s astronomer doesn't want to become a computer scientist or a mathematician (large survey projects  ...  scientific research • High performance Data & Computing Center for multidisciplinary applications • Grid infrastructure and middleware INFNGRID LCG/gLite • Compatibility with EGEE middleware •  ...  It is structured by means of a package of libraries (Java API) referred to the following items: •Data mining models libraries (Multi Layer Perceptron, Support Vector Machine, Genetic Algorithms, Self Organizing  ... 
doi:10.1142/9789814383295_0020 fatcat:mhxs4nlyhbfuznyxvg254ijtsa

Scaling Bio-Analyses from Computational Clusters to Grids

Heorhiy Byelas, Martijn Dijkstra, Pieter B. T. Neerincx, Freerk van Dijk, Alexandros Kanterakis, Patrick Deelen, Morris A. Swertz
2013 International Workshop on Science Gateways  
The process becomes error-prone when dealing with hundreds of samples, such as in genomic analysis facilities, if it is performed without an integrated workflow framework and data management system.  ...  We present a lightweight workflow declaration and execution system to address these needs, built on top of the MOLGENIS framework for data tracking.  ...  ACKNOWLEDGMENT The authors would like to thank the BBMRI-NL Rainbow Project 2 (, the Target project ( and the BigGrid eBioGrid project (  ... 
dblp:conf/iwsg/ByelasDNDKDS13 fatcat:mnjmjtobhbeklafq4ymwhen5ee

1001 Ways to run AutoDock Vina for virtual screening

Mohammad Mahdi Jaghoori, Boris Bleijlevens, Silvia D. Olabarriaga
2016 Journal of Computer-Aided Molecular Design  
the screening of a ligand library can be improved by analysis of factors affecting execution time per ligand, including number of active torsions, heavy atoms and exhaustiveness.  ...  Besides experience with the molecular docking tool itself, the scientist needs to learn how to run it on high-performance computing (HPC) infrastructures, and understand the impact of the choices made.  ...  To discover potential inhibitors for FTO docking was performed on the crystal structure 3LFM 2 [21] using a box size of 32 Â 32 Â 32 ¼ 32;768Å 3 , centered around the enzyme's active site. • NUR77 [  ... 
doi:10.1007/s10822-016-9900-9 pmid:26897747 pmcid:PMC4801993 fatcat:ducg25qq2vey7n7tyrdtf66thm

A Service-Oriented Architecture enabling dynamic service grouping for optimizing distributed workflow execution

Tristan Glatard, Johan Montagnat, David Emsellem, Diane Lingrand
2008 Future generations computer systems  
We discuss the advantages of the serviceoriented approach with regards to the enactment of scientific applications on a grid infrastructure.  ...  On a production grid infrastructure, the optimization proposed introduces a significant speed-up (from 1.2 to 2.9) when compared to a traditional execution.  ...  We are grateful to the EGEE European project for providing the grid infrastructure and user assistance.  ... 
doi:10.1016/j.future.2008.02.011 fatcat:nyek6imwyrgwpoij5jtz7bxl4m

The PAGIS Grid Application Environment [chapter]

Darren Webb, Andrew L. Wendelborn
2003 Lecture Notes in Computer Science  
Although current programming models provide adequate performance, many prove inadequate to support the effective development of efficient Grid applications.  ...  Many of the hard issues, such as the dynamic nature of the Grid environment, are left to the programmer.  ...  Metalevel Programming One view of metalevel architectures, shown in Fig. 2 , is to treat the system as a black box, with separate interfaces that address the functional and nonfunctional concerns of an  ... 
doi:10.1007/3-540-44863-2_110 fatcat:wjgkrokd7zdvlfyhrc5ccm54gm

The design, usage, and performance of GridUFO: A Grid based Unified Framework for Optimization

Asim Munawar, Mohamed Wahib, Masaharu Munetomo, Kiyoshi Akama
2010 Future generations computer systems  
GridUFO eradicates the shortcomings of earlier projects and provides a unified approach for using algorithm/problem pair over a Grid in the easiest possible "plug & play" manner.  ...  by a Grid.  ...  We would also like to thank Hiroshi Takemiya for sharing his knowledge about the Grid middlewares and other tools.  ... 
doi:10.1016/j.future.2009.12.001 fatcat:6rhi4y7ulbcjhpxncmcjjygjbe

RADICAL-Cybertools: Middleware Building Blocks for Scalable Science [article]

Vivek Balasubramanian, Shantenu Jha, Andre Merzky, Matteo Turilli
2019 arXiv   pre-print
RADICAL-Cybertools (RCT) are a set of software systems that serve as middleware to develop efficient and effective tools for scientific computing.  ...  Specifically, RCT enable executing many-task applications at extreme scale and on a variety of computing infrastructures.  ...  We acknowledge access to computational facilities: XSEDE resources (TG-MCB090174), Blue Waters (NSF-1713749), and DOE leadership machines via multiple INCITE and DD awards.  ... 
arXiv:1904.03085v1 fatcat:bqndgjxfl5c6xinxqgcnurwxlm

Data Warehouse Signature: A Framework for Implementing Security Issues in Data Warehouses

Mayada J. AlMeghari
2017 Journal of Computer Sciences and Applications  
The DWS approach achieves high performance by using parallel computing through a middleware named View Manager Layer (VML).  ...  This data is composed together from integrated heterogeneous data sources to form Data Warehouse (DW).  ...  Acknowledgements I would like to thank Allah, my family, my friends, my supervisors, and my colleagues for their support, motivation, and help during this research.  ... 
doi:10.12691/jcsa-5-1-3 fatcat:memzgpt5and3xiehd4i6w6bu34
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