Reducing energy footprint in cloud computing: a study on the impact of clustering techniques and scheduling algorithms for scientific workflows

Saadi, Youssef; Jounaidi, Soufiane; Kafhali, Said El; Zougagh, Hicham

doi:10.1007/s00607-023-01182-w

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Cited by 4 publications

References 49 publications

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Adaptive workload management in cloud computing for service level agreements compliance and resource optimization

Ghandour,

El Kafhali,

Hanini

2024

Computers and Electrical Engineering

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Adaptive workload management in cloud computing for service level agreements compliance and resource optimization

Ghandour,

El Kafhali,

Hanini

2024

Computers and Electrical Engineering

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Preference-Based Stepping Ahead Firefly Algorithm for Solving Real-World Uncapacitated Examination Timetabling Problem

Nand,

Reddy,

Chaudhary

et al. 2024

IEEE Access

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Swarm-based intelligent optimization algorithms that employ principles of collective behavior have been gaining traction as a viable solution in optimization research. One area of optimization is the Examination Timetabling Problem (ETP), which presents a significant challenge in many Higher Education Institutes (HEIs). This paper proposes a novel approach to solving the Uncapacitated Examination Timetabling Problem (UETP) where a stepping-ahead mechanism is utilized with threshold acceptance in the Firefly Algorithm (FA). The proposed method improves exploration with the use of the steppingahead mechanism, while threshold acceptance allows for better exploitation of the search space. Initially, a neighborhood search mechanism is employed as the discretization of FA to improve solution quality, known as Kempe Chain-based neighborhoods. The proposed method is tested on 7 UETP problems, with the results showing comparative performance to the best solutions available in the literature for the Toronto exam timetabling dataset. The selection of seven problems is made with exams totaling less than 400, this allows to create a manageable yet representative benchmark. The study further extends the experiment to a real-world dataset collected from an HEI. The use of a real-world dataset allows us to see the potential of the algorithm and at the same time evaluate its performance under realistic conditions and resource constraints. The proposed stepping-ahead mechanism has the potential for use in other domains, such as robotics and engineering. Overall, this paper presents a new methodology for solving the UETP that has the potential to offer superior results when compared to existing approaches.

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A Hybrid Algorithm Based on PSO Algorithm and Chi-Squared Distribution for Tasks Consolidation in Cloud Computing Environment

Mikram,

El Kafhali,

Saadi

2023

2023 IEEE 6th International Conference on Cloud Computing and Artificial Intelligence: Technologies and Applications (CloudTech

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Reducing energy footprint in cloud computing: a study on the impact of clustering techniques and scheduling algorithms for scientific workflows

Cited by 4 publications

References 49 publications

Adaptive workload management in cloud computing for service level agreements compliance and resource optimization

Adaptive workload management in cloud computing for service level agreements compliance and resource optimization

Preference-Based Stepping Ahead Firefly Algorithm for Solving Real-World Uncapacitated Examination Timetabling Problem

A Hybrid Algorithm Based on PSO Algorithm and Chi-Squared Distribution for Tasks Consolidation in Cloud Computing Environment

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