Publications | Shashikant Ilager

The publications are in reversed chronological order. The full list of updated publications can be found on my Google scholar profile

Conference and Journal Publications

2026

GreenServ: Energy-Efficient Context-Aware Dynamic Routing for Multi-Model LLM Inference

Thomas Ziller, Shashikant Ilager, Alessandro Tundo, Ezio Bartocci, Leonardo Mariani, and Ivona Brandic

arXiv preprint arXiv:2601.17551, 2026

Bib HTML PDF

@article{ziller2026greenserv,
  title = {GreenServ: Energy-Efficient Context-Aware Dynamic Routing for Multi-Model LLM Inference},
  author = {Ziller, Thomas and Ilager, Shashikant and Tundo, Alessandro and Bartocci, Ezio and Mariani, Leonardo and Brandic, Ivona},
  year = {2026},
  journal = {arXiv preprint arXiv:2601.17551},
  eprint = {2601.17551},
  archiveprefix = {arXiv},
  primaryclass = {cs.PF},
}

Characterizing LLM Inference Energy-Performance Tradeoffs across Workloads and GPU Scaling

Paul Joe Maliakel, Shashikant Ilager, and Ivona Brandic

In Proceedings of the 26th IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing (CCGRID) , 2026

Bib HTML PDF

@inproceedings{maliakel2025investigatingenergyefficiencyperformance,
  title = {Characterizing LLM Inference Energy-Performance Tradeoffs across  Workloads and GPU Scaling},
  author = {Maliakel, Paul Joe and Ilager, Shashikant and Brandic, Ivona},
  year = {2026},
  eprint = {2501.08219},
  archiveprefix = {arXiv},
  booktitle = {Proceedings of the 26th IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing (CCGRID)},
  primaryclass = {cs.LG},
}

ARKV: Adaptive and Resource-Efficient KV Cache Management under Limited Memory Budget for Long-Context Inference in LLMs

Jianlong Lei, and Shashikant Ilager

In Proceedings of the 26th IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing (CCGRID) , 2026

Bib HTML PDF Code

@inproceedings{JianlongLei2026ARKV,
  title = {ARKV: Adaptive and Resource-Efficient KV Cache Management under Limited Memory Budget for Long-Context Inference in LLMs},
  author = {Lei, Jianlong and Ilager, Shashikant},
  year = {2026},
  booktitle = {Proceedings of the 26th IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing (CCGRID)},
}

2025

GREEN-CODE: Learning to Optimize Energy Efficiency in LLM-based Code Generation

Shashikant Ilager, Lukas Florian Briem, and Ivona Brandic

In Proceedings of the 25th IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing (CCGRID) , 2025

Bib HTML PDF Code

@inproceedings{ilager2025greencode,
  title = {GREEN-CODE: Learning to Optimize Energy Efficiency in LLM-based Code Generation},
  author = {Ilager, Shashikant and Briem, Lukas Florian and Brandic, Ivona},
  booktitle = {Proceedings of the 25th IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing (CCGRID)},
  year = {2025},
}

Aging-aware CPU Core Management for Embodied Carbon Amortization in Cloud LLM Inference

Tharindu B. Hewage, Shashikant Ilager, Maria Rodriguez Read, and Rajkumar Buyya

In The 16th ACM International Conference on Future and Sustainable Energy Systems (ACM e-Energy) , 2025

Bib HTML PDF Code

@inproceedings{hewage2025agingaware,
  title = {Aging-aware CPU Core Management for Embodied Carbon Amortization in Cloud LLM Inference},
  author = {Hewage, Tharindu B. and Ilager, Shashikant and Rodriguez Read, Maria and Buyya, Rajkumar},
  booktitle = {The 16th ACM International Conference on Future and Sustainable Energy Systems (ACM e-Energy)},
  year = {2025},
}

A Decentralized and Self-Adaptive Approach for Monitoring Volatile Edge Environments

Shashikant Ilager, Jakob Fahringer, Alessandro Tundo, and Ivona Brandić

ACM Transactions on Autonomous and Adaptive Systems (TAAS), 2025

(to appear)

Bib HTML PDF Code

@article{ilager2024decentralized,
  title = {A Decentralized and Self-Adaptive Approach for Monitoring Volatile Edge Environments},
  author = {Ilager, Shashikant and Fahringer, Jakob and Tundo, Alessandro and Brandi{\'c}, Ivona},
  journal = { ACM Transactions on Autonomous and Adaptive Systems (TAAS)},
  note = {(to appear)},
  year = {2025},
}

FRESCO: Fast and Reliable Edge Offloading With Reputation-Based Hybrid Smart Contracts

Josip Zilic, Vincenzo De Maio, Shashikant Ilager, and Ivona Brandic

IEEE Transactions on Services Computing, 2025

Bib HTML PDF Code

@article{zilic2025fresco,
  author = {Zilic, Josip and De Maio, Vincenzo and Ilager, Shashikant and Brandic, Ivona},
  journal = {IEEE Transactions on Services Computing},
  title = {FRESCO: Fast and Reliable Edge Offloading With Reputation-Based Hybrid Smart Contracts},
  year = {2025},
  volume = {18},
  number = {6},
  pages = {3810--3823},
  keywords = {Reliability; Servers; Blockchains; Mobile handsets; Quality of service; Engines; Smart contracts; Time factors; Reliability theory; Consensus protocol; Edge offloading; reputation; hybrid smart contract (HSC); satisfiability modulo theory (SMT)},
  doi = {10.1109/TSC.2025.3609833},
}

2024

ABBA-VSM: Time Series Classification using Symbolic Representation on the Edge.

Meerzhan Kanatbekova, Shashikant Ilager, and Ivona Brandic.

In International Conference on Service-Oriented Computing Tunis, Tunisia, December 3-6, 2024 (ICSOC 2024) , 2024

Bib

@inproceedings{meerzhan_abbvsm_icsoc24,
  title = {ABBA-VSM: Time Series Classification using  Symbolic Representation on the Edge.},
  author = {Kanatbekova, Meerzhan and Ilager, Shashikant and Brandic., Ivona},
  year = {2024},
  booktitle = {International Conference on Service-Oriented Computing Tunis, Tunisia, December 3-6, 2024 (ICSOC 2024)}
}

Generic and ML Workloads in an HPC Datacenter: Node Energy, Job Failures, and Node-Job Analysis

Xiaoyu Chu, Daniel Hofstätter, Shashikant Ilager, Sacheendra Talluri, Duncan Kampert, Damian Podareanu , and 3 more authors

In 30th International Conference on Parallel and Distributed Systems (ICPADS 2024) , 2024

Bib HTML

@inproceedings{chu2024genericmlworkloadshpc,
  title = {Generic and ML Workloads in an HPC Datacenter: Node Energy, Job Failures, and Node-Job Analysis},
  author = {Chu, Xiaoyu and Hofstätter, Daniel and Ilager, Shashikant and Talluri, Sacheendra and Kampert, Duncan and Podareanu, Damian and Duplyakin, Dmitry and Brandic, Ivona and Iosup, Alexandru},
  year = {2024},
  eprint = {2409.08949},
  booktitle = {30th International Conference on Parallel and Distributed Systems (ICPADS 2024)},
}

FLIGAN: Enhancing Federated Learning with Incomplete Data using GAN

Paul Joe Maliakel, Shashikant Ilager, and Ivona Brandic

In ACM 7th International Workshop on Edge Systems, Analytics and Networking (EdgeSys24), colocated with EuroSys24 , 2024

Bib HTML PDF

@inproceedings{maliakel2024fligan,
  title = {FLIGAN: Enhancing Federated Learning with Incomplete Data using GAN},
  author = {Maliakel, Paul Joe and Ilager, Shashikant and Brandic, Ivona},
  year = {2024},
  booktitle = {ACM 7th International Workshop on Edge Systems, Analytics and Networking (EdgeSys24), colocated with EuroSys24},
  url = {https://arxiv.org/abs/2403.16930},
}

Proteus: Towards Intent-driven Automated Resource Management Framework for Edge Sensor Nodes

In 14th Workshop on AI and Scientific Computing at Scale using Flexible Computing Infrastructures(FlexScience 2024), in conjunction with HPDC 2024, Pisa, Italy , 2024

Bib

@inproceedings{ilager2024proteus,
  title = {Proteus: Towards Intent-driven Automated Resource Management Framework for Edge Sensor Nodes},
  author = {},
  year = {2024},
  booktitle = {14th Workshop on AI and Scientific Computing at Scale using Flexible Computing Infrastructures(FlexScience 2024), in conjunction with HPDC 2024, Pisa, Italy}
}

2023

A Data-driven Analysis of a Cloud Data Center: Statistical Characterization of Workload, Energy and Temperature

Shashikant Ilager, Adel N. Toosi, Mayak Raj Jha, Ivona Brandic, and Rajkumar Buyya

In IEEE/ACM 16th International Conference on Utility and Cloud Computing (UCC 23) , Messina, Italy, 2023

Bib PDF Code

@inproceedings{ilager_dc_analysis_UCC23,
  author = {Ilager, Shashikant and Toosi, Adel N. and Jha, Mayak Raj and Brandic, Ivona and Buyya, Rajkumar},
  booktitle = { IEEE/ACM 16th International Conference on Utility and Cloud Computing (UCC 23)},
  title = {A Data-driven Analysis of a Cloud Data Center: Statistical Characterization of Workload, Energy and Temperature},
  year = {2023},
  number = {},
  pages = {},
  doi = {10.1145/3603166.3632137},
  location = {Messina, Italy},
}

An Energy-Aware Approach to Design Self-Adaptive AI-based Applications on the Edge

Alessandro Tundo, Marco Mobilio, Shashikant Ilager, Ivona Brandic, Ezio Bartocci, and Leonardo Mariani

In Proceedings of the 38th IEEE/ACM International Conference on Automated Software Engineering , Kirchberg, Luxembourg, 2023

Bib HTML PDF Code

@inproceedings{allesandro_ase23,
  author = {Tundo, Alessandro and Mobilio, Marco and Ilager, Shashikant and Brandic, Ivona and Bartocci, Ezio and Mariani, Leonardo},
  title = {An Energy-Aware Approach to Design Self-Adaptive AI-based Applications on the Edge},
  year = {2023},
  publisher = {Association for Computing Machinery},
  address = {Kirchberg, Luxembourg},
  booktitle = {Proceedings of the 38th {IEEE/ACM} International Conference on Automated Software Engineering},
  location = {Kirchberg, Luxembourg},
  series = {ASE '23},
  url = {http://hpc.ec.tuwien.ac.at/files/ASE_23_SelfAdaptive.pdf},
}

SymED: Adaptive and Online Symbolic Representation of Data on the Edge

Daniel Hofstätter, Shashikant Ilager, Ivan Lujic, and Ivona Brandic

In Proceedings of the 29th International European Conference on Parallel and Distributed Computing (Europar) , Limasol, Cyprus, 2023

Bib HTML PDF Code

@inproceedings{daniel_europar23,
  title = {SymED: Adaptive and Online Symbolic Representation of Data on the Edge},
  author = {Hofstätter, Daniel and Ilager, Shashikant and Lujic, Ivan and Brandic, Ivona},
  booktitle = {Proceedings of the 29th International European Conference on Parallel and Distributed Computing (Europar)},
  year = {2023},
  location = {Limasol, Cyprus},
  organization = {Springer},
  eprint = {https://arxiv.org/pdf/2309.03014.pdf},
}

DEMOTS: A Decentralized Task Scheduling Algorithm for Micro-Clouds with Dynamic Power-Budgets

Tharindu B. Hewage, Shashikant Ilager, Maria A. Rodriguez, Patricia Arroba, and Rajkumar Buyya

In 2023 IEEE 16th International Conference on Cloud Computing (CLOUD) , 2023

Bib HTML PDF

@inproceedings{tharindu_cloud_23,
  author = {Hewage, Tharindu B. and Ilager, Shashikant and Rodriguez, Maria A. and Arroba, Patricia and Buyya, Rajkumar},
  booktitle = {2023 IEEE 16th International Conference on Cloud Computing (CLOUD)},
  title = {DEMOTS: A Decentralized Task Scheduling Algorithm for Micro-Clouds with Dynamic Power-Budgets},
  year = {2023},
  volume = {},
  number = {},
  pages = {418-427},
  doi = {10.1109/CLOUD60044.2023.00057},
  url = {https://ieeexplore.ieee.org/abstract/document/10255015},
}

Data-centric Edge-AI: A Symbolic Representation Use Case

Shashikant Ilager, Vincenzo De Maio, Ivan Lujic, and Ivona Brandic

In 2023 IEEE International Conference on Edge Computing and Communications (EDGE) , 2023

Bib HTML PDF

@inproceedings{ilager_iedge_23,
  author = {Ilager, Shashikant and De Maio, Vincenzo and Lujic, Ivan and Brandic, Ivona},
  booktitle = {2023 IEEE International Conference on Edge Computing and Communications (EDGE)},
  title = {Data-centric Edge-AI: A Symbolic Representation Use Case},
  year = {2023},
  volume = {},
  number = {},
  pages = {301-308},
  doi = {10.1109/EDGE60047.2023.00052},
  comment_abbr = {},
  url = {https://ieeexplore.ieee.org/abstract/document/10234261},
}

2022

Dynamic Scheduling for Stochastic Edge-Cloud Computing Environments Using A3C Learning and Residual Recurrent Neural Networks

Shreshth Tuli, Shashikant Ilager, Kotagiri Ramamohanarao, and Rajkumar Buyya

IEEE Transaction on Mobile Computing, 2022

Bib HTML PDF Code

@article{DBLP:journals/tmc/Tuli_ilager_TMC22,
  author = {Tuli, Shreshth and Ilager, Shashikant and Ramamohanarao, Kotagiri and Buyya, Rajkumar},
  title = {Dynamic Scheduling for Stochastic Edge-Cloud Computing Environments
                 Using {A3C} Learning and Residual Recurrent Neural Networks},
  journal = {{IEEE} Transaction on  Mobile  Computing},
  volume = {21},
  number = {3},
  pages = {940--954},
  year = {2022},
  doi = {10.1109/TMC.2020.3017079},
  eprint = {https://arxiv.org/abs/2009.02186},
}

Workload forecasting and energy state estimation in cloud data centres: ML-centric approach

Tahseen Khan, Wenhong Tian, Shashikant Ilager, and Rajkumar Buyya

Future Generation Computer Systems, 2022

Bib HTML PDF

@article{khan_ilager_FGCS22,
  title = {Workload forecasting and energy state estimation in cloud data centres: ML-centric approach},
  journal = {Future Generation Computer Systems},
  volume = {128},
  pages = {320-332},
  year = {2022},
  issn = {0167-739X},
  doi = {https://doi.org/10.1016/j.future.2021.10.019},
  author = {Khan, Tahseen and Tian, Wenhong and Ilager, Shashikant and Buyya, Rajkumar},
}

Machine learning (ML)-centric resource management in cloud computing: A review and future directions

Tahseen Khan, Wenhong Tian, Guangyao Zhou, Shashikant Ilager, Mingming Gong, and Rajkumar Buyya

Journal of Network and Computer Applications, 2022

Bib HTML PDF

@article{khan_ilager_jnca22,
  title = {Machine learning (ML)-centric resource management in cloud computing: A review and future directions},
  journal = {Journal of Network and Computer Applications},
  volume = {204},
  pages = {103405},
  year = {2022},
  issn = {1084-8045},
  doi = {https://doi.org/10.1016/j.jnca.2022.103405},
  author = {Khan, Tahseen and Tian, Wenhong and Zhou, Guangyao and Ilager, Shashikant and Gong, Mingming and Buyya, Rajkumar},
}

CoScal: Multifaceted Scaling of Microservices With Reinforcement Learning

Minxian Xu, Chenghao Song, Shashikant Ilager, Sukhpal Singh Gill, Juanjuan Zhao, Kejiang Ye , and 1 more author

IEEE Transactions on Network and Service Management, 2022

Bib HTML PDF

@article{XU_ilager_TNSM22,
  author = {Xu, Minxian and Song, Chenghao and Ilager, Shashikant and Gill, Sukhpal Singh and Zhao, Juanjuan and Ye, Kejiang and Xu, Chengzhong},
  journal = {IEEE Transactions on Network and Service Management},
  title = {CoScal: Multifaceted Scaling of Microservices With Reinforcement Learning},
  year = {2022},
  volume = {19},
  number = {4},
  pages = {3995-4009},
  doi = {10.1109/TNSM.2022.3210211},
}

DEMon: Decentralized Monitoring for Highly Volatile Edge Environments

Shashikant Ilager, Jakob Fahringer, Samuel Carlos de Lima Dias, and Ivona Brandic

In 2022 IEEE/ACM 15th International Conference on Utility and Cloud Computing (UCC) , Vancouver, Washington, USA, 2022

Bib HTML PDF Code

@inproceedings{ilagerdemon_UCC22,
  author = {Ilager, Shashikant and Fahringer, Jakob and Dias, Samuel Carlos de Lima and Brandic, Ivona},
  booktitle = {2022 IEEE/ACM 15th International Conference on Utility and Cloud Computing (UCC)},
  title = {DEMon: Decentralized Monitoring for Highly Volatile Edge Environments},
  year = {2022},
  number = {},
  location = {Vancouver, Washington, USA},
  pages = {145-150},
  doi = {10.1109/UCC56403.2022.00026},
}

2021

Thermal Prediction for Efficient Energy Management of Clouds Using Machine Learning

Shashikant Ilager, Kotagiri Ramamohanarao, and Rajkumar Buyya

IEEE Transaction on Parallel Distributed Systems, 2021

Bib HTML PDF

@article{DBLP:journals/tpds/Ilager_TPDS21,
  author = {Ilager, Shashikant and Ramamohanarao, Kotagiri and Buyya, Rajkumar},
  title = {Thermal Prediction for Efficient Energy Management of Clouds Using
                 Machine Learning},
  journal = {{IEEE} Transaction on  Parallel Distributed Systems},
  volume = {32},
  number = {5},
  pages = {1044--1056},
  year = {2021},
  doi = {10.1109/TPDS.2020.3040800},
}

2020

A Data-Driven Frequency Scaling Approach for Deadline-aware Energy Efficient Scheduling on Graphics Processing Units (GPUs)

Shashikant Ilager, Rajeev Muralidhar, Kotagiri Ramamohanarao, and Rajkumar Buyya

In 20th IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing, CCGRID 2020, Melbourne, Australia , 2020

Bib HTML PDF Code

@inproceedings{DBLP:conf/ccgrid/Ilager_CCGRID20,
  author = {Ilager, Shashikant and Muralidhar, Rajeev and Ramamohanarao, Kotagiri and Buyya, Rajkumar},
  title = {A Data-Driven Frequency Scaling Approach for Deadline-aware Energy
                 Efficient Scheduling on Graphics Processing Units (GPUs)},
  booktitle = {20th {IEEE/ACM} International Symposium on Cluster, Cloud and Internet
                 Computing, {CCGRID} 2020, Melbourne, Australia},
  pages = {579--588},
  publisher = {{IEEE}},
  year = {2020},
  doi = {10.1109/CCGrid49817.2020.00-35},
}

Artificial Intelligence (AI)-Centric Management of Resources in Modern Distributed Computing Systems

Shashikant Ilager, Rajeev Muralidhar, and Rajkumar Buyya

In 2020 IEEE Cloud Summit , 2020

Bib HTML PDF

@inproceedings{DBLP:journals/corr/ilager_CloudSummit2020,
  author = {Ilager, Shashikant and Muralidhar, Rajeev and Buyya, Rajkumar},
  booktitle = {2020 IEEE Cloud Summit},
  title = {Artificial Intelligence (AI)-Centric Management of Resources in Modern Distributed Computing Systems},
  year = {2020},
  volume = {},
  number = {},
  pages = {1-10},
  doi = {10.1109/IEEECloudSummit48914.2020.00007},
}

2019

ETAS: Energy and thermal-aware dynamic virtual machine consolidation in cloud data center with proactive hotspot mitigation

Shashikant Ilager, Kotagiri Ramamohanarao, and Rajkumar Buyya

Concurrency and Computation: Practice and Experience, 2019

Bib HTML PDF

@article{DBLP:journals/concurrency/Ilager_CCPE_19,
  author = {Ilager, Shashikant and Ramamohanarao, Kotagiri and Buyya, Rajkumar},
  title = {{ETAS:} Energy and thermal-aware dynamic virtual machine consolidation
                 in cloud data center with proactive hotspot mitigation},
  journal = {Concurrency and Computation:  Practice and  Experience},
  volume = {31},
  number = {17},
  year = {2019},
  doi = {10.1002/cpe.5221},
  url = {https://doi.org/10.1002/cpe.5221},
}

2017

Scalable MapReduce-based Fuzzy Min-Max Neural Network for Pattern Classification

Shashikant Ilager, and P. S. V. S. Sai Prasad

In Proceedings of the 18th International Conference on Distributed Computing and Networking, Hyderabad, India, January 5-7, 2017 , 2017

Bib HTML PDF Code

@inproceedings{DBLP:conf/icdcn/Ilager_ICDCN17,
  author = {Ilager, Shashikant and Prasad, P. S. V. S. Sai},
  title = {Scalable MapReduce-based Fuzzy Min-Max Neural Network for Pattern
                 Classification},
  booktitle = {Proceedings of the 18th International Conference on Distributed Computing
                 and Networking, Hyderabad, India, January 5-7, 2017},
  pages = {15},
  publisher = {{ACM}},
  year = {2017},
  doi = {10.1145/3007748.3007776},
}

Other publications

Book Chapters

Mohammad Goudarzi, Shashikant Ilager, and Rajkumar Buyya, Cloud Computing and Internet of Things: Recent Trends and Directions, New Frontiers in Cloud Computing and Internet of Things, R. Buyya, L. Garg, G. Fortino, S. Misra (eds), 3-29pp, ISBN: 978-3-031-05527-0, Springer, Switzerland, October 2022.
Minxian Xu, Chengxi Gao, Shashikant Ilager, Huaming Wu, Chengzhong Xu, and Rajkumar Buyya, Green-aware Mobile Edge Computing for IoT: Challenges, Solutions and Future Directions, Mobile Edge Computing (MEC), A. Mukherjee, D. De, S. K. Ghosh, and R. Buyya (eds), Springer, USA (in press), 2020.
Shashikant Ilager, Rajeev Wankar, Raghavendra Kune, and Rajkumar Buyya, GPU PaaS Computation Model in Aneka Cloud Computing Environments, Smart Data: State-of-the-Art Perspectives in Computing and Applications, K. Li, Q. Zhang, L. Yang, B. Martino (eds), ISBN-13: 978-1138545588, Chapman & Hall/CRC Press, USA, March 28, 2019.