Performance Portability Assessment in Gaia
Authors: Giulio Malenza, Valentina Cesare, Marco Edoardo Santimaria, Robert Birke, Alberto Vecchiato, Ugo Becciani , and Marco Aldinucci. Abstract: Modern scientific experiments produce ever-increasing amounts of data, soon requiring ExaFLOPs computingcapacities for analysis. Reaching such performance requires purpose-built supercomputers with O(10-3)nodes, each hosting multicore CPUs and multiple GPUs, and applications designed to exploit this hardware […]
Analysis of model parallelism applications on a 64-core RV64 Server CPU
Authors: Giulio Malenza, Adriano Marques Garcia, Robert Birke, Luca Benini and Marco Aldinucci. Abstract: Massive Data Parallel workloads, driven by inference on large ML models, are pushing hardware vendors to develop efficient and cost-effective multi-core server CPUs. The RISC-V architecture plays a prominent role due to its open, extensible, and energy-friendly ISA. Despite significant progress in […]
Real-Time BIM–IoT Synchronization for Operational Digital Twins: The HPC4AI Data Center Case Study
Authors: Viviana Vaccaro, Lavinia Chiara Tagliabue, Robert Birke. Abstract: Digital Twins (DTs) are emerging as a key enabling technology for the operational management of mission-critical infrastructures, where real-time integration between physical systems, Internet of Things (IoT) monitoring, and Building Information Modelling (BIM) can support optimization, predictive control, and sustainability. In this context, the University of […]
Preliminary Life Cycle Assessment of a High- Performance Computing Data Center: A Case Study of the HPC4AI Facility at the University of Turin
Authors: Lavinia Chiara Tagliabue, Viviana Vaccaro, Alessadro Zichi, Robert Birke, Marco Aldinucci. Abstract: High-performance computing (HPC) and artificial intelligence (AI) data centers are increasingly recognized as critical infrastructures for scientific research, yet they are also associated with significant environmental burdens due to their high energy intensity and rapid technological obsolescence. Traditional performance metrics such as […]
LEED Certification and Data Centers: A Critical Assessment of Building Sustainability Rating Systems for HPC Facilities
Authors: Lavinia Chiara Tagliabue, Viviana Vaccaro, Alessandro Zichi, Robert Birke, Marco Aldinucci, Silvia Meschini. Abstract: The rapid expansion of data centers driven by cloud computing, high-performance computing, and artificial intelligence has intensified the need for reliable frameworks to assess and communicate their environmental sustainability. Among existing tools, the Leadership in Energy and Environmental Design (LEED) […]
Digital Twin for DCs: A Reference Architecture Based on BIM, IoT and Analytics Control
Authors: Silvia Meschini, Paola Gasbarri, Lavinia Chiara Tagliabue, Viviana Vaccaro, Robert Birke, Marco Aldinucci. Abstract: Data centers (DCs) represent one of the most energy-intensive and operationally critical categories of buildings, supporting essential digital services such as cloud computing, large-scale data storage, and artificial intelligence applications. Their operation is characterized by complex interdependencies between information technology […]
Sustainable-HPC: toward Digital Twin for active management of self-cooled data centers with Renewable Energy Sources and waste heat recovery
Authors: S. Meschini, L. C. Tagliabue, G. M. D. Giuda, M. Aldinucci, P. Gasbarri and D. Accardo. Abstract: High-performance computing (HPC) data centers are key for advancing research and industry, but their high energy consumption and environmental impact pose critical sustainability challenges. Few HPC centers currently use renewable energy sources, particularly hydrogen-based storage, or integrate […]
HPC4AI@UNITO: A Use Case For Datacenter Digital Twin
Authors: V. Vaccaro, R. Birke, L. C. Tagliabue, S. Rabellino and M. Aldinucci. Abstract: The HPC4AI datacenter hosted at the Computer Science Department of the University of Turin was born to address the exponentially increasing computing needs of cross-disciplinary research on AI. To address the needs of modern AI, HPC4AI rethinks the traditional usage of […]
Sustainable Data Centers: Advancing Energy Efficiency and Resource Optimization
Authors: V. Vaccaro, L. C. Tagliabue and M. Aldinucci. Abstract: As global demand for digital services rises, the role of data centers has become increasingly pivotal, making it essential to adopt measures to curb energy consumption and carbon emissions. Data centers rank among the highest energy consumers and are therefore significant contributors to greenhouse gas […]
A Review of current practices and challenges in Green Data Centers: renewable energy sources, waste heat recovery, and intelligent management systems
Authors: M. Boscariol, E. Cacciaguerra, P. Gasbarri, D. Accardo, S. Meschini and L. C. Tagliabue Abstract: As digital transformation advances, Data Centers are crucial in supporting global digital infrastructure but contribute substantially to energy consumption and carbon emissions. Green Data Center technologies emerged to address such sustainability challenges, integrating energy-efficient designs, renewable energy, and waste […]