Design Tradeoffs in Backend Organization in Out-Of-Order RISC-V Processors.

Valentin Puente https://orcid.org/0000-0002-6904-3282 https://www.wikidata.org/entity/Q61755970 Esther Alonso Pablo Prieto Pablo Abad Valentin Puente Design Tradeoffs in Backend Organization in Out-Of-Order RISC-V Processors. 445-456 2026 SPAA https://doi.org/10.1145/3816782.3819204 conf/spaa/2026 db/conf/spaa/spaa2026.html#AlonsoPAP26 Pablo Abad Pablo Prieto Valentin Puente José-Ángel Gregorio Efficient Server Consolidation through a balanced mix of Transformer-based and Conventional Applications. 764-775 2025 ICS https://doi.org/10.1145/3721145.3725751 conf/ics/2025 db/conf/ics/ics2025.html#AbadPPG25 Pablo Prieto Pablo Abad Fidalgo José-Ángel Gregorio Valentin Puente Performance Characterization of Popular DNN Models on Out-of-Order CPUs. 199-210 2023 PACT https://doi.org/10.1109/PACT58117.2023.00025 conf/IEEEpact/2023 db/conf/IEEEpact/pact2023.html#PrietoFGP23 Alvaro Saiz Pablo Prieto Pablo Abad Fidalgo José-Ángel Gregorio Valentin Puente Top-Down Performance Profiling on NVIDIA's GPUs. 179-189 2022 IPDPS https://doi.org/10.1109/IPDPS53621.2022.00026 conf/ipps/2022 db/conf/ipps/ipdps2022.html#SaizPFGP22

Pablo Prieto Pablo Abad Fidalgo José-Ángel Gregorio Valentin Puente Fast, Accurate Processor Evaluation Through Heterogeneous, Sample-Based Benchmarking. 2983-2995 2021 32 IEEE Trans. Parallel Distributed Syst. 12 https://doi.org/10.1109/TPDS.2021.3080702 db/journals/tpds/tpds32.html#PrietoFGP21

Lucia G. Menezo Valentin Puente José-Ángel Gregorio Rainbow: A composable coherence protocol for multi-chip servers. 2020 32 Concurr. Comput. Pract. Exp. 24 https://doi.org/10.1002/cpe.5947 db/journals/concurrency/concurrency32.html#MenezoPG20

Pablo Prieto Pablo Abad Fidalgo Jose Angel Herrero José-Ángel Gregorio Valentin Puente SPECcast: A Methodology for Fast Performance Evaluation with SPEC CPU 2017 Multiprogrammed Workloads. 54:1-54:11 2020 ICPP https://doi.org/10.1145/3404397.3404424 conf/icpp/2020 db/conf/icpp/icpp2020.html#PrietoFHGP20

Lucia G. Menezo Valentin Puente José-Ángel Gregorio Rainbow: A Composable Coherence Protocol for Multi-Chip Servers. 2020 abs/2002.03944 CoRR https://arxiv.org/abs/2002.03944 db/journals/corr/corr2002.html#abs-2002-03944

Valentin Puente José-Ángel Gregorio CLASSIC: A cortex-inspired hardware accelerator. 140-152 2019 134 J. Parallel Distributed Comput. https://doi.org/10.1016/j.jpdc.2019.08.009 https://www.wikidata.org/entity/Q127291703 db/journals/jpdc/jpdc134.html#PuenteG19

Adrian Colaso Pablo Prieto Pablo Abad Fidalgo José-Ángel Gregorio Valentin Puente Architecting Racetrack Memory Preshift through Pattern-Based Prediction Mechanisms. 273-282 2019 IPDPS https://doi.org/10.1109/IPDPS.2019.00037 conf/ipps/2019 db/conf/ipps/ipdps2019.html#ColasoPFGP19

Adrian Colaso Pablo Prieto Jose Angel Herrero Pablo Abad Fidalgo Valentin Puente José-Ángel Gregorio Accuracy vs. Computational Cost Tradeoff in Distributed Computer System Simulation. 2019 abs/1902.02837 CoRR http://arxiv.org/abs/1902.02837 db/journals/corr/corr1902.html#abs-1902-02837

Lucia G. Menezo Valentin Puente Pablo Abad Fidalgo José-Ángel Gregorio Mosaic: A Scalable Coherence Protocol. 1110-1138 2018 46 Int. J. Parallel Program. 6 https://doi.org/10.1007/s10766-018-0557-y db/journals/ijpp/ijpp46.html#MenezoPFG18

Adrian Colaso Pablo Prieto Jose Angel Herrero Pablo Abad Fidalgo Lucia G. Menezo Valentin Puente José-Ángel Gregorio Memory Hierarchy Characterization of NoSQL Applications through Full-System Simulation. 1161-1173 2018 29 IEEE Trans. Parallel Distributed Syst. 5 https://doi.org/10.1109/TPDS.2017.2787150 http://doi.ieeecomputersociety.org/10.1109/TPDS.2017.2787150 db/journals/tpds/tpds29.html#ColasoPHFMPG18

Lucia G. Menezo Valentin Puente José-Ángel Gregorio An adaptive cache coherence protocol: Trading storage for traffic. 163-174 2017 102 J. Parallel Distributed Comput. https://doi.org/10.1016/j.jpdc.2016.12.020 db/journals/jpdc/jpdc102.html#MenezoPG17

Pablo Abad Fidalgo Pablo Prieto Valentin Puente José-Ángel Gregorio AC-WAR: Architecting the Cache Hierarchy to Improve the Lifetime of a Non-Volatile Endurance-Limited Main Memory. 66-77 2016 27 IEEE Trans. Parallel Distributed Syst. 1 https://doi.org/10.1109/TPDS.2015.2390225 http://doi.ieeecomputersociety.org/10.1109/TPDS.2015.2390225 db/journals/tpds/tpds27.html#FidalgoPPG16

Valentin Puente José-Ángel Gregorio CLAASIC: a Cortex-Inspired Hardware Accelerator. 2016 abs/1604.05897 CoRR http://arxiv.org/abs/1604.05897 db/journals/corr/corr1604.html#PuenteG16

Pablo Abad Fidalgo Pablo Prieto Valentin Puente José-Ángel Gregorio Improving last level shared cache performance through mobile insertion policies (MIP). 13-27 2015 49 Parallel Comput. https://doi.org/10.1016/j.parco.2015.06.002 db/journals/pc/pc49.html#FidalgoPPG15

Lucia G. Menezo Valentin Puente José-Ángel Gregorio Flask coherence: A morphable hybrid coherence protocol to balance energy, performance and scalability. 198-209 2015 HPCA https://doi.org/10.1109/HPCA.2015.7056033 https://doi.ieeecomputersociety.org/10.1109/HPCA.2015.7056033 conf/hpca/2015 db/conf/hpca/hpca2015.html#MenezoPG15 Philip G. Emma Alper Buyuktosunoglu Michael B. Healy Krishnan Kailas Valentin Puente Roy Yu Allan Hartstein Pradip Bose Jaime H. Moreno Eren Kursun 3D stacking of high-performance processors. 500-511 2014 HPCA https://doi.org/10.1109/HPCA.2014.6835959 https://doi.ieeecomputersociety.org/10.1109/HPCA.2014.6835959 conf/hpca/2014 db/conf/hpca/hpca2014.html#EmmaBHKPYHBM14

Pablo Abad Fidalgo Valentin Puente José-Ángel Gregorio LIGERO: A light but efficient router conceived for cache-coherent chip multiprocessors. 37:1-37:21 2013 9 ACM Trans. Archit. Code Optim. 4 https://doi.org/10.1145/2400682.2400696 db/journals/taco/taco9.html#AbadPG13

Lucia G. Menezo Valentin Puente José-Ángel Gregorio The case for a scalable coherence protocol for complex on-chip cache hierarchies in many-core systems. 279-288 2013 PACT https://doi.org/10.1109/PACT.2013.6618824 https://doi.ieeecomputersociety.org/10.1109/PACT.2013.6618824 http://dl.acm.org/citation.cfm?id=2523760 conf/IEEEpact/2013 db/conf/IEEEpact/pact2013.html#MenezoPG13 Pablo Abad Fidalgo Pablo Prieto Lucia G. Menezo Adrian Colaso Valentin Puente José-Ángel Gregorio Interaction of NoC Design and Coherence Protocol in 3D-Stacked CMPs. 48-55 2013 DSD https://doi.org/10.1109/DSD.2013.16 https://doi.ieeecomputersociety.org/10.1109/DSD.2013.16 conf/dsd/2013 db/conf/dsd/dsd2013.html#AbadPMCPG13 Pablo Prieto Valentin Puente José-Ángel Gregorio CMP off-chip bandwidth scheduling guided by instruction criticality. 379-388 2013 ICS https://doi.org/10.1145/2464996.2465019 conf/ics/2013 db/conf/ics/ics2013.html#PrietoPG13

Pablo Abad Fidalgo Valentin Puente José-Ángel Gregorio Balancing Performance and Cost in CMP Interconnection Networks. 452-459 2012 23 IEEE Trans. Parallel Distributed Syst. 3 https://doi.org/10.1109/TPDS.2011.173 http://doi.ieeecomputersociety.org/10.1109/TPDS.2011.173 db/journals/tpds/tpds23.html#AbadPG12

Pablo Abad Fidalgo Valentin Puente Lucia G. Menezo José-Ángel Gregorio Adaptive-Tree Multicast: Efficient Multidestination Support for CMP Communication Substrate. 2010-2023 2012 23 IEEE Trans. Parallel Distributed Syst. 11 https://doi.org/10.1109/TPDS.2012.45 http://doi.ieeecomputersociety.org/10.1109/TPDS.2012.45 db/journals/tpds/tpds23.html#AbadPMG12

Lucia G. Menezo Valentin Puente Pablo Abad Fidalgo José-Ángel Gregorio Improving coherence protocol reactiveness by trading bandwidth for latency. 143-152 2012 Conf. Computing Frontiers https://doi.org/10.1145/2212908.2212929 conf/cf/2012 db/conf/cf/cf2012.html#MenezoPAG12 Pablo Abad Fidalgo Pablo Prieto Valentin Puente José-Ángel Gregorio BIXBAR: A low cost solution to support dynamic link reconfiguration in networks on chip. 55-60 2012 ICCD https://doi.org/10.1109/ICCD.2012.6378617 https://doi.ieeecomputersociety.org/10.1109/ICCD.2012.6378617 conf/iccd/2012 db/conf/iccd/iccd2012.html#AbadPPG12 Pablo Abad Fidalgo Pablo Prieto Lucia G. Menezo Adrian Colaso Valentin Puente José-Ángel Gregorio TOPAZ: An Open-Source Interconnection Network Simulator for Chip Multiprocessors and Supercomputers. 99-106 2012 NOCS https://doi.org/10.1109/NOCS.2012.19 https://doi.ieeecomputersociety.org/10.1109/NOCS.2012.19 conf/nocs/2012 db/conf/nocs/nocs2012.html#AbadPMCPG12

Lucia G. Menezo Valentin Puente José-Ángel Gregorio LOCKE Detailed Specification Tables http://arxiv.org/abs/1203.5349 2012 CoRR abs/1203.5349 db/journals/corr/corr1203.html#abs-1203-5349

Javier Merino Valentin Puente José-Ángel Gregorio The Necessity for Hardware QoS Support for Server Consolidation and Cloud Computing http://arxiv.org/abs/1206.6213 2012 CoRR abs/1206.6213 db/journals/corr/corr1206.html#abs-1206-6213

Pablo Prieto Valentin Puente José-Ángel Gregorio Multilevel Cache Modeling for Chip-Multiprocessor Systems. 49-52 2011 10 IEEE Comput. Archit. Lett. 2 https://doi.org/10.1109/L-CA.2011.20 http://doi.ieeecomputersociety.org/10.1109/L-CA.2011.20 db/journals/cal/cal10.html#PrietoPG11

Javier Merino Valentin Puente José-Ángel Gregorio ESP-NUCA: A low-cost adaptive Non-Uniform Cache Architecture. 1-10 2010 HPCA https://doi.org/10.1109/HPCA.2010.5416641 https://doi.ieeecomputersociety.org/10.1109/HPCA.2010.5416641 conf/hpca/2010 db/conf/hpca/hpca2010.html#MerinoPG10 Pablo Abad Fidalgo Valentin Puente José-Ángel Gregorio MRR: Enabling fully adaptive multicast routing for CMP interconnection networks. 355-366 2009 HPCA https://doi.org/10.1109/HPCA.2009.4798273 conf/hpca/2009 db/conf/hpca/hpca2009.html#FidalgoVM09

Javier Merino Valentin Puente Pablo Prieto José-Ángel Gregorio SP-NUCA: a cost effective dynamic non-uniform cache architecture. 64-71 2008 36 SIGARCH Comput. Archit. News 2 https://doi.org/10.1145/1399972.1399973 db/journals/sigarch/sigarch36.html#MerinoPPG08

Valentin Puente José-Ángel Gregorio Fernando Vallejo Ramón Beivide Immunet: Dependable Routing for Interconnection Networks with Arbitrary Topology. 1676-1689 2008 57 IEEE Trans. Computers 12 https://doi.org/10.1109/TC.2008.95 http://doi.ieeecomputersociety.org/10.1109/TC.2008.95 db/journals/tc/tc57.html#PuenteGVB08

Pablo Abad Fidalgo Valentin Puente José-Ángel Gregorio Reducing the Interconnection Network Cost of Chip Multiprocessors. 183-192 2008 NOCS https://doi.ieeecomputersociety.org/10.1109/NOCS.2008.10 conf/nocs/2008 db/conf/nocs/nocs2008.html#AbadPG08

Valentin Puente José-Ángel Gregorio Immucube: Scalable Fault-Tolerant Routing for k-ary n-cube Networks. 776-788 2007 18 IEEE Trans. Parallel Distributed Syst. 6 https://doi.org/10.1109/TPDS.2007.1047 http://doi.ieeecomputersociety.org/10.1109/TPDS.2007.1047 db/journals/tpds/tpds18.html#PuenteG07

Pablo Abad Fidalgo Valentin Puente José-Ángel Gregorio Pablo Prieto Rotary router: an efficient architecture for CMP interconnection networks. 116-125 2007 conf/isca/2007 ISCA https://doi.org/10.1145/1250662.1250678 db/conf/isca/isca2007.html#AbadPGP07

Valentin Puente José A. Gregorio Fernando Vallejo Ramón Beivide Cruz Izu High-performance adaptive routing for networks with arbitrary topology. 345-358 2006 52 J. Syst. Archit. 6 https://doi.org/10.1016/j.sysarc.2005.09.003 db/journals/jsa/jsa52.html#PuenteGVBI06

Marco Galluzzi Valentin Puente Adrián Cristal Ramón Beivide José-Ángel Gregorio Mateo Valero A first glance at Kilo-instruction based multiprocessors. 212-221 2004 conf/cf/2004 Conf. Computing Frontiers https://doi.org/10.1145/977091.977120 db/conf/cf/cf2004.html#GalluzziPCBGV04 José Miguel-Alonso José A. Gregorio Valentin Puente Fernando Vallejo Ramón Beivide Load Unbalance in k-ary n-Cube Networks. 900-907 https://doi.org/10.1007/978-3-540-27866-5_119 2004 conf/europar/2004 Euro-Par db/conf/europar/europar2004.html#Miguel-AlonsoGPVB04 Valentin Puente José A. Gregorio Fernando Vallejo Ramón Beivide Immunet: A Cheap and Robust Fault-Tolerant Packet Routing Mechanism. 198-211 2004 conf/isca/2004 ISCA https://doi.org/10.1109/ISCA.2004.1310775 https://doi.ieeecomputersociety.org/10.1109/ISCA.2004.1310775 http://dl.acm.org/citation.cfm?id=1006718 db/conf/isca/isca2004.html#PuenteGVB04 Luis A. Amigo Valentin Puente José-Ángel Gregorio Simulation Methodology for Decision Support Workloads. 120-125 2004 conf/pdp/2004 PDP https://doi.org/10.1109/EMPDP.2004.1271436 https://doi.ieeecomputersociety.org/10.1109/EMPDP.2004.1271436 db/conf/pdp/pdp2004.html#AmigoPG04 Marco Galluzzi Ramón Beivide Valentin Puente José-Ángel Gregorio Adrián Cristal Mateo Valero Evaluating kilo-instruction multiprocessors. 72-79 2004 conf/wmpi/2004 WMPI https://doi.org/10.1145/1054943.1054953 https://www.wikidata.org/entity/Q61731022 db/conf/wmpi/wmpi2004.html#GalluzziBPGCV04

Valentin Puente José A. Gregorio Ramón Beivide Cruz Izu On the Design of a High-Performance Adaptive Router for CC-NUMA Multiprocessors. 487-501 2003 14 IEEE Trans. Parallel Distributed Syst. 5 https://doi.org/10.1109/TPDS.2003.1199066 http://doi.ieeecomputersociety.org/10.1109/TPDS.2003.1199066 db/journals/tpds/tpds14.html#PuenteGBI03

Valentin Puente José A. Gregorio Ramón Beivide Fernando Vallejo A Low Cost Fault Tolerant Packet Routing for Parallel Computers. 45 2003 conf/ipps/2003 IPDPS https://doi.org/10.1109/IPDPS.2003.1213132 https://doi.ieeecomputersociety.org/10.1109/IPDPS.2003.1213132 db/conf/ipps/ipdps2003.html#PuenteGBV03 Valentin Puente José A. Gregorio Ramón Beivide SICOSYS: An Integrated Framework for studying Interconnection Network Performance in Multiprocessor Systems. 15-22 2002 conf/pdp/2002 PDP https://doi.org/10.1109/EMPDP.2002.994207 https://doi.ieeecomputersociety.org/10.1109/EMPDP.2002.994207 db/conf/pdp/pdp2002.html#PuenteGB02

Valentin Puente Cruz Izu Ramón Beivide José A. Gregorio Fernando Vallejo J. M. Prellezo The Adaptive Bubble Router. 1180-1208 2001 61 J. Parallel Distributed Comput. 9 https://doi.org/10.1006/jpdc.2001.1746 db/journals/jpdc/jpdc61.html#PuenteIBGVP01

Andres Ibañez Valentin Puente José A. Gregorio Ramón Beivide A New Communication Mechanism for Cluster Computing. 793-800 2001 conf/europar/2001 Euro-Par https://doi.org/10.1007/3-540-44681-8_111 db/conf/europar/europar2001.html#IbanezPGB01 Valentin Puente José A. Gregorio Ramón Beivide Fernando Vallejo Andres Ibañez A new routing mechanism for networks with irregular topology. 31 2001 conf/sc/2001 SC https://doi.org/10.1145/582034.582065 https://doi.ieeecomputersociety.org/10.1109/SC.2001.10021 db/conf/sc/sc2001.html#PuenteGBVI01 Valentin Puente Cruz Izu José A. Gregorio Ramón Beivide J. M. Prellezo Fernando Vallejo Improving parallel system performance by changing the arrangement of the network links. 44-53 2000 conf/ics/2000 ICS https://doi.org/10.1145/335231.335236 db/conf/ics/ics2000.html#PuenteIGBPV00 Valentin Puente J. M. Prellezo Cruz Izu José-Ángel Gregorio Ramón Beivide A case study of trace-driven simulation for analyzing interconnection networks: cc-NUMAs with ILP processors. 174-180 2000 PDP https://doi.org/10.1109/EMPDP.2000.823409 https://doi.ieeecomputersociety.org/10.1109/EMPDP.2000.823409 conf/pdp/2000 db/conf/pdp/pdp2000.html#PuentePIGB00 Valentin Puente José A. Gregorio Cruz Izu Ramón Beivide Impact of the Head-of-Line Blocking on Parallel Computer Networks: Hardware to Applications. 1222-1230 1999 conf/europar/1999 Euro-Par https://doi.org/10.1007/3-540-48311-X_173 db/conf/europar/europar99.html#PuenteGIB99 Valentin Puente Ramón Beivide José A. Gregorio J. M. Prellezo José Duato Cruz Izu Adaptive Bubble Router: A Design to Improve Performance in Torus Networks. 58-67 1999 conf/icpp/1999 ICPP https://doi.org/10.1109/ICPP.1999.797388 https://doi.ieeecomputersociety.org/10.1109/ICPP.1999.797388 db/conf/icpp/icpp1999.html#PuenteBGPDI99 Valentin Puente José A. Gregorio Cruz Izu Ramón Beivide Fernando Vallejo Low-level router design and its impact on supercomputer system performance. 193-201 1999 conf/ics/1999 International Conference on Supercomputing https://doi.org/10.1145/305138.305193 db/conf/ics/ics1999.html#PuenteGIBV99 Pablo AbadPablo Abad Fidalgo Esther Alonso Luis A. Amigo Ramón Beivide Pradip Bose Alper Buyuktosunoglu Adrian Colaso Adrián Cristal José Duato Philip G. Emma Marco Galluzzi José-Ángel GregorioJosé A. Gregorio Allan Hartstein Michael B. Healy Jose Angel Herrero Andres Ibañez Cruz Izu Krishnan Kailas Eren Kursun Lucia G. Menezo Javier Merino José Miguel-Alonso Jaime H. Moreno J. M. Prellezo Pablo Prieto Alvaro Saiz Mateo Valero Fernando Vallejo Roy Yu