Search Results - "Nikolopoulos, Dimitrios S."

On Robust Optimal Joint Deployment and Assignment of RAN Intelligent Controllers in O-RANs by Abdel-Rahman, Mohammad J., Mazied, Emadeldin A., Hassan, Fahid, Teague, Kory, Mackenzie, Allen B., Midkiff, Scott F., Cardoso, Kleber V., Nikolopoulos, Dimitrios S.

“…The open radio access network (O-RAN) architecture is consolidating the concept of software-defined cellular networks beyond 5G networks, mainly through the…”
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Strategies for Energy-Efficient Resource Management of Hybrid Programming Models by Dong Li, de Supinski, B. R., Schulz, M., Nikolopoulos, D. S., Cameron, K. W.

“…Many scientific applications are programmed using hybrid programming models that use both message passing and shared memory, due to the increasing prevalence…”
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Mixed-Precision Kernel Recursive Least Squares by Lee, JunKyu, Nikolopoulos, Dimitrios S., Vandierendonck, Hans

“…Kernel recursive least squares (KRLS) is a widely used online machine learning algorithm for time series predictions. In this article, we present the…”
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Efficient, Dynamic Multi-Task Execution on FPGA-Based Computing Systems by Minhas, Umar Ibrahim, Woods, Roger, Nikolopoulos, Dimitrios S., Karakonstantis, Georgios

“…With growing Field Programmable Gate Array (FPGA) device sizes and their integration in environments enabling sharing of computing resources such as cloud and…”
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A taxonomy of task-based parallel programming technologies for high-performance computing by Thoman, Peter, Dichev, Kiril, Heller, Thomas, Iakymchuk, Roman, Aguilar, Xavier, Hasanov, Khalid, Gschwandtner, Philipp, Lemarinier, Pierre, Markidis, Stefano, Jordan, Herbert, Fahringer, Thomas, Katrinis, Kostas, Laure, Erwin, Nikolopoulos, Dimitrios S.

“…Task-based programming models for shared memory—such as Cilk Plus and OpenMP 3—are well established and documented. However, with the increase in parallel,…”
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Revealing DRAM Operating GuardBands Through Workload-Aware Error Predictive Modeling by Mukhanov, Lev, Tovletoglou, Konstantinos, Vandierendonck, Hans, Nikolopoulos, Dimitrios S., Karakonstantis, Georgios

“…Improving the energy efficiency of DRAMs becomes very challenging due to the growing demand for storage capacity and failures induced by the manufacturing…”
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Power Log'n'Roll: Power-Efficient Localized Rollback for MPI Applications Using Message Logging Protocols by Dichev, Kiril, De Sensi, Daniele, Nikolopoulos, Dimitrios S., Cameron, Kirk W., Spence, Ivor

“…In fault tolerance for parallel and distributed systems, message logging protocols have played a prominent role in the last three decades. Such protocols…”
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FairGV: Fair and Fast GPU Virtualization by Cheol-Ho Hong, Spence, Ivor, Nikolopoulos, Dimitrios S.

“…Increasingly high performance computing (HPC) application developers are opting to use cloud resources due to higher availability. Virtualized GPUs would be an…”
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Fast and Energy-Efficient OLAP Data Management on Hybrid Main Memory Systems by Hassan, Ahmad, Nikolopoulos, Dimitrios S., Vandierendonck, Hans

“…This paper studies the problem of efficiently utilizing hybrid memory systems, consisting of both Dynamic Random Access Memory (DRAM) and novel Non-Volatile…”
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Intra-Node Memory Safe GPU Co-Scheduling by Reano, Carlos, Silla, Federico, Nikolopoulos, Dimitrios S., Varghese, Blesson

“…GPUs in High-Performance Computing systems remain under-utilised due to the unavailability of schedulers that can safely schedule multiple applications to…”
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A real time metabolomic profiling approach to detecting fish fraud using rapid evaporative ionisation mass spectrometry by Black, Connor, Chevallier, Olivier P., Haughey, Simon A., Balog, Julia, Stead, Sara, Pringle, Steven D., Riina, Maria V., Martucci, Francesca, Acutis, Pier L., Morris, Mike, Nikolopoulos, Dimitrios S., Takats, Zoltan, Elliott, Christopher T.

“…Introduction Fish fraud detection is mainly carried out using a genomic profiling approach requiring long and complex sample preparations and assay running…”
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DStress: Automatic Synthesis of DRAM Reliability Stress Viruses using Genetic Algorithms by Mukhanov, Lev, Nikolopoulos, Dimitrios S., Karakonstantis, Georgios

“…Failures become inevitable in DRAM devices, which is a major obstacle for scaling down the density of cells in future DRAM technologies. These failures can be…”
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Energy-Efficient Hybrid DRAM/NVM Main Memory by Hassan, Ahmad, Vandierendonck, Hans, Nikolopoulos, Dimitrios S.

“…DRAM consumes significant static energy both in active and idle state due to continuous leakage and refresh power. Various byte-addressable non-volatile memory…”
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DEFCON: Generating and Detecting Failure-prone Instruction Sequences via Stochastic Search by Tsiokanos, Ioannis, Mukhanov, Lev, Georgakoudis, Giorgis, Nikolopoulos, Dimitrios S., Karakonstantis, Georgios

“…The increased variability and adopted low supply voltages render nanometer devices prone to timing failures, which threaten the functionality of digital…”
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The transprecision computing paradigm: Concept, design, and applications by Malossi, A. Cristiano I., Schaffner, Michael, Molnos, Anca, Gammaitoni, Luca, Tagliavini, Giuseppe, Emerson, Andrew, Tomas, Andres, Nikolopoulos, Dimitrios S., Flamand, Eric, Wehn, Norbert

“…Guaranteed numerical precision of each elementary step in a complex computation has been the mainstay of traditional computing systems for many years. This…”
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On the Virtualization of CUDA Based GPU Remoting on ARM and X86 Machines in the GVirtuS Framework by Montella, Raffaele, Giunta, Giulio, Laccetti, Giuliano, Lapegna, Marco, Palmieri, Carlo, Ferraro, Carmine, Pelliccia, Valentina, Hong, Cheol-Ho, Spence, Ivor, Nikolopoulos, Dimitrios S.

“…The astonishing development of diverse and different hardware platforms is twofold: on one side, the challenge for the exascale performance for big data…”
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Hybrid address spaces: A methodology for implementing scalable high-level programming models on non-coherent many-core architectures by Papagiannis, Anastasios, Nikolopoulos, Dimitrios S.

“…•Hybrid address spaces, as a new approach for software on non-coherent many-cores.•Application-specific software-controlled coherence for non-coherent…”
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Error-Resilient Server Ecosystems for Edge and Cloud Datacenters by Karakonstantis, Georgios, Nikolopoulos, Dimitrios S., Gizopoulos, Dimitris, Trancoso, Pedro, Sazeides, Yiannakis, Antonopoulos, Christos D., Venugopal, Srikumar, Das, Shidhartha

“…The explosive growth of Internet-connected devices that form the Internet of Things and the flood of data they yield require new energy-efficient and…”
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DARE: Data-Access Aware Refresh via spatial-temporal application resilience on commodity servers by Chalios, Charalampos, Georgakoudis, Giorgis, Tovletoglou, Konstantinos, Karakonstantis, George, Vandierendonck, Hans, Nikolopoulos, Dimitrios S

“…Power consumption and reliability of memory components are two of the most important hurdles in realizing exascale systems. Dynamic random access memory (DRAM)…”
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Expediting assessments of database performance for streams of respiratory parameters by Gillan, Charles J., Novakovic, Aleksandar, Marshall, Adele H., Shyamsundar, Murali, Nikolopoulos, Dimitrios S.

“…A new methodology is proposed to compare database performance for streams of patient respiratory data from patients in an intensive care unit. New metrics are…”
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