22 OpenCUBE Open-source Cloud Services on EPI systems: Overview, Early Results, and Roadmap  
Gabin Schieffer, Jacob Wahlgren, Daniel Araújo de Medeiros, Ivy Peng, Martin Schultz, Utz-Uwe Haus, Craig Prunty, Pedro Marcuello and Emanuele Danovaro

24 HEAppE Middleware: From desktop to HPC 
Jakub Konvička, Václav Svatoň and Jan Křenek

26 Exploring Factors Impacting Data Offloading Performance in Edge and Cloud Environments  
Gap-Joo Na, Youngwoo Jang, Harin Seo, Byungchul Tak and Young-Kyoon Suh

27 Dynamic Memory Allocation in Hierarchical Parallelism for Performance Portability  
Aymeric Millan, Thomas Padioleau and Julien Bigot

29 Blockchain-based Decentralized Authority for Complex Organizational Structures Management 
Kamil Jarosz, Patryk Wojtyczek and Renata G. Słota. 
35 BDDC preconditioning on GPUs for Cardiac Simulations 
Fritz Goebel, Terry Cojean and Hartwig Anzt

38 A Layered Approach for Direct Convolution Using Matrix Multiplication Acceleration Extensions 
Victor Ferrari, Rafael Sousa, Marcio Pereira, João Carvalho, José Amaral, José Moreira and Guido Araujo

42 Towards Energy-Aware Machine Learning in Geo-Distributed IoT Settings
Demetris Trihinas and Lauritz Thamsen

46 Designing A Sustainable Serverless Graph Processing Tool on the Computing Continuum 
Reza Farahani, Sashko Ristov and Radu Prodan

55 High-Performance Distributed Computing with Smartphones 
Nadeem Ishikawa, Hayato Nomura, Yuya Yoda, Osamu Uetsuki, Keisuke Fukunaga, Seiji Nagoya, Junya Sawara, Hiroaki Ishihata and Junsuke Senoguchi

56 Experiences and Lessons Learned from PHYSICS: A Framework for Cloud Development with FaaS  
Marta Patino

57 MPI-based Remote OpenMP Offloading
IIlias K. Kasmeridis, Spyros Mantelos, Apostolos Piperis and Vassilios V. Dimakopoulos

58 Improved IoT Application Placement in Fog through Postponement 
Aisha Aljohani and Rizos Sakellariou

15 Diorthotis: A Parallel Batch Evaluator for Programming Assignments  
Alexandros Karakasidis

25 HEAppE Middleware: From desktop to HPC 
Pipelines  Jakub Konvička, Václav Svatoň and Jan Křenek

52 DAPHNE Runtime: Harnessing Parallelism for Integrated Data Analysis 
Aristotelis Vontzalidis, Stratos Psomadakis, Constantinos Bitsakos, Mark Dokter, Kevin Innerebner, Patrick Damme, Matthias Boehm, Florina M. Ciorba, Ahmed Eleliemy, Vasileios Karakostas, Aleš Zamuda and Dimitrios Tsoumakos