Exploració per autor "Karakostas, Vasileios"
Ara es mostren els items 1-6 de 6
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Dynamic transaction coalescing
Stipic, Srdjan; Karakostas, Vasileios; Smiljkovic, Vesna; Gajinov, Vladimir; Unsal, Osman Sabri; Cristal Kestelman, Adrián; Valero Cortés, Mateo (Association for Computing Machinery (ACM), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialPrior work in Software Transactional Memory has identified high overheads related to starting and committing transactions that may degrade the application performance. To amortize these overheads, transaction coalescing ... -
Exploiting page table locality for Agile TLB Prefetching
Vavouliotis, Georgios; Alvarez Martí, Lluc; Karakostas, Vasileios; Nikas, Konstantinos; Koziris, Nectarios; Jiménez, Daniel A.; Casas, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertFrequent Translation Lookaside Buffer (TLB) misses incur high performance and energy costs due to page walks required for fetching the corresponding address translations. Prefetching page table entries (PTEs) ahead of ... -
Improving the energy efficiency of hardware-assisted watchpoint systems
Karakostas, Vasileios; Tomić, Saša; Unsal, Osman Sabri; Nemirovsky, Mario; Cristal Kestelman, Adrián (2013)
Text en actes de congrés
Accés restringit per política de l'editorialHardware-assisted watchpoint systems enhance the execution of numerous dynamic software techniques, such as memory protection, module isolation, deterministic execution, and data race detection. In this paper, we show ... -
Improving the performance and energy-efficiency of virtual memory
Karakostas, Vasileios (Universitat Politècnica de Catalunya, 2016-04-18)
Tesi
Accés obertVirtual memory improves programmer productivity, enhances process security, and increases memory utilization. However, virtual memory requires an address translation from the virtual to the physical address space on every ... -
NEMsCAM: A novel CAM cell based on nano-electro-mechanical switch and CMOS for energy efficient TLBs
Seyedi, Azam; Karakostas, Vasileios; Cosemans, Stefan; Cristal Kestelman, Adrián; Nemirovsky, Mario; Unsal, Osman (Institute of Electrical and Electronics Engineers (IEEE), 2015-07-10)
Text en actes de congrés
Accés obertIn this paper we propose a novel Content Addressable Memory (CAM) cell, NEMsCAM, based on both Nano-electro-mechanical (NEM) switches and CMOS technologies. The memory component of the proposed CAM cell is designed with ... -
Validation, Verification, and Testing (VVT) of future RISC-V powered cloud infrastructures: the Vitamin-V Horizon Europe Project perspective
Alonso García, Martí; Andreu Gerique, David; Canal Corretger, Ramon; Di Carlo, Stefano; Chenet, Cristiano; Costa Prats, Juan José; Gironès, Andreu; Gizopoulos, Dimitris; Karakostas, Vasileios; Otero Calviño, Beatriz; Papadimitriou, George; Rodríguez Luna, Eva; Savino, Alessandro (Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertVitamin-V is a project funded under the Horizon Europe program for the period 2023-2025. The project aims to create a complete open-source software stack for RISC-V that can be used for cloud services. This software stack ...