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Documents authored by Ferikoglou, Aggelos

Artifact
Software
DOI: 10.4230/artifacts.25581
FPGAScheduler

Authors: Aggelos Ferikoglou

Abstract
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Aggelos Ferikoglou. FPGAScheduler (Software, Source Code). Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2026)

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@misc{dagstuhl-artifact-25581,
   title = {{FPGAScheduler}}, 
   author = {Ferikoglou, Aggelos},
   note = {Software, swhId: \href{https://archive.softwareheritage.org/swh:1:dir:2941cf80f4a5b396622da5ebb3f1fb76ffae7b8b;origin=https://github.com/aferikoglou/FPGAScheduler;visit=swh:1:snp:901fb2866292917bb3ed2a4e9973317816eb0787;anchor=swh:1:rev:a7ed7d4ed62bc17fd412752ec49f59cf8f313499}{\texttt{swh:1:dir:2941cf80f4a5b396622da5ebb3f1fb76ffae7b8b}} (visited on 2026-04-10)},
   url = {https://github.com/aferikoglou/FPGAScheduler},
   doi = {10.4230/artifacts.25581},
}
Document
DOI: 10.4230/OASIcs.PARMA-DITAM.2026.7
Linking High-Level Synthesis with FPGA Runtime Orchestration

Authors: Despoina Tomkou, Aggelos Ferikoglou, Dimosthenis Masouros, Sotirios Xydis, and Dimitrios Soudris

Published in: OASIcs, Volume 141, 17th Workshop on Parallel Programming and Run-Time Management Techniques for Many-Core Architectures and 15th Workshop on Design Tools and Architectures for Multicore Embedded Computing Platforms (PARMA-DITAM 2026)

Abstract
FPGAs are increasingly being adopted across the edge-to-cloud continuum due to their ability to provide both high performance and energy efficiency. However, the complexity of programming FPGAs often leads to deployed designs that underutilize available resources. FPGA multi-tenancy has been proposed to enhance resource utilization, yet monolithic designs and dynamic workload demands continue to challenge efficient FPGA usage and compliance with Quality of Service requirements. To address these issues, we propose a novel framework for the optimal orchestration of FPGAs across the edge-to-cloud continuum while meeting user demands. The framework generates approximations of Pareto-optimal designs for each application, capturing trade-offs between performance and resource usage with minimal bitstream generation. This information allows the runtime orchestrator to select the most suitable design based on available PR regions and the QoS requirements of each user. Experimental results demonstrate that the proposed approach achieves an average reduction of QoS violations by a factor of 8.1× across diverse workloads and baseline configurations. Overall, the framework offers a practical and effective solution for realizing FPGA-as-a-Service across the edge-to-cloud continuum.
Cite as

Despoina Tomkou, Aggelos Ferikoglou, Dimosthenis Masouros, Sotirios Xydis, and Dimitrios Soudris. Linking High-Level Synthesis with FPGA Runtime Orchestration. In 17th Workshop on Parallel Programming and Run-Time Management Techniques for Many-Core Architectures and 15th Workshop on Design Tools and Architectures for Multicore Embedded Computing Platforms (PARMA-DITAM 2026). Open Access Series in Informatics (OASIcs), Volume 141, pp. 7:1-7:14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2026)

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@InProceedings{tomkou_et_al:OASIcs.PARMA-DITAM.2026.7,
  author =	{Tomkou, Despoina and Ferikoglou, Aggelos and Masouros, Dimosthenis and Xydis, Sotirios and Soudris, Dimitrios},
  title =	{{Linking High-Level Synthesis with FPGA Runtime Orchestration}},
  booktitle =	{17th Workshop on Parallel Programming and Run-Time Management Techniques for Many-Core Architectures and 15th Workshop on Design Tools and Architectures for Multicore Embedded Computing Platforms (PARMA-DITAM 2026)},
  pages =	{7:1--7:14},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-416-1},
  ISSN =	{2190-6807},
  year =	{2026},
  volume =	{141},
  editor =	{Baroffio, Davide and Busia, Paola and Denisov, Lev and Shukla, Nitin},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.PARMA-DITAM.2026.7},
  URN =		{urn:nbn:de:0030-drops-256746},
  doi =		{10.4230/OASIcs.PARMA-DITAM.2026.7},
  annote =	{Keywords: FPGA, Orchestration, Partial Reconfiguration, FPGAaaS}
}
Document
DOI: 10.4230/OASIcs.PARMA-DITAM.2021.4
Resource Aware GPU Scheduling in Kubernetes Infrastructure

Authors: Aggelos Ferikoglou, Dimosthenis Masouros, Achilleas Tzenetopoulos, Sotirios Xydis, and Dimitrios Soudris

Published in: OASIcs, Volume 88, 12th Workshop on Parallel Programming and Run-Time Management Techniques for Many-core Architectures and 10th Workshop on Design Tools and Architectures for Multicore Embedded Computing Platforms (PARMA-DITAM 2021)

Abstract
Nowadays, there is an ever-increasing number of artificial intelligence inference workloads pushed and executed on the cloud. To effectively serve and manage the computational demands, data center operators have provisioned their infrastructures with accelerators. Specifically for GPUs, support for efficient management lacks, as state-of-the-art schedulers and orchestrators, threat GPUs only as typical compute resources ignoring their unique characteristics and application properties. This phenomenon combined with the GPU over-provisioning problem leads to severe resource under-utilization. Even though prior work has addressed this problem by colocating applications into a single accelerator device, its resource agnostic nature does not manage to face the resource under-utilization and quality of service violations especially for latency critical applications. In this paper, we design a resource aware GPU scheduling framework, able to efficiently colocate applications on the same GPU accelerator card. We integrate our solution with Kubernetes, one of the most widely used cloud orchestration frameworks. We show that our scheduler can achieve 58.8% lower end-to-end job execution time 99%-ile, while delivering 52.5% higher GPU memory usage, 105.9% higher GPU utilization percentage on average and 44.4% lower energy consumption on average, compared to the state-of-the-art schedulers, for a variety of ML representative workloads.
Cite as

Aggelos Ferikoglou, Dimosthenis Masouros, Achilleas Tzenetopoulos, Sotirios Xydis, and Dimitrios Soudris. Resource Aware GPU Scheduling in Kubernetes Infrastructure. In 12th Workshop on Parallel Programming and Run-Time Management Techniques for Many-core Architectures and 10th Workshop on Design Tools and Architectures for Multicore Embedded Computing Platforms (PARMA-DITAM 2021). Open Access Series in Informatics (OASIcs), Volume 88, pp. 4:1-4:12, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{ferikoglou_et_al:OASIcs.PARMA-DITAM.2021.4,
  author =	{Ferikoglou, Aggelos and Masouros, Dimosthenis and Tzenetopoulos, Achilleas and Xydis, Sotirios and Soudris, Dimitrios},
  title =	{{Resource Aware GPU Scheduling in Kubernetes Infrastructure}},
  booktitle =	{12th Workshop on Parallel Programming and Run-Time Management Techniques for Many-core Architectures and 10th Workshop on Design Tools and Architectures for Multicore Embedded Computing Platforms (PARMA-DITAM 2021)},
  pages =	{4:1--4:12},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-181-8},
  ISSN =	{2190-6807},
  year =	{2021},
  volume =	{88},
  editor =	{Bispo, Jo\~{a}o and Cherubin, Stefano and Flich, Jos\'{e}},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.PARMA-DITAM.2021.4},
  URN =		{urn:nbn:de:0030-drops-136403},
  doi =		{10.4230/OASIcs.PARMA-DITAM.2021.4},
  annote =	{Keywords: cloud computing, GPU scheduling, kubernetes, heterogeneity}
}
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