Osman S. Unsal

According to our database, Osman S. Unsal authored at least 210 papers between 2000 and 2023.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of two.

2023

Vitruvius+: An Area-Efficient RISC-V Decoupled Vector Coprocessor for High Performance Computing Applications.

Francesco Minervini, Oscar Palomar, Osman S. Unsal, Enrico Reggiani, Josue V. Quiroga, Joan Marimon, Carlos Rojas, Roger Figueras, Abraham Ruiz, Alberto González, Jonnatan Mendoza, Iván Vargas, César Hernández, Joan Cabre, Lina Khoirunisya, Mustapha Bouhali, Julian Pavon, Francesc Moll, Mauro Olivieri, Mario Kovac, Mate Kovac, Leon Dragic, Mateo Valero, Adrián Cristal

ACM Trans. Archit. Code Optim., June, 2023

Efficient thread-to-core mapping alternatives for application-level redundant multithreading.

Sanem Arslan, Osman S. Ünsal

Concurr. Comput. Pract. Exp., 2023

Mix-GEMM: An efficient HW-SW Architecture for Mixed-Precision Quantized Deep Neural Networks Inference on Edge Devices.

Enrico Reggiani, Alessandro Pappalardo, Max Doblas, Miquel Moretó, Mauro Olivieri, Osman Sabri Unsal, Adrián Cristal

Proceedings of the IEEE International Symposium on High-Performance Computer Architecture, 2023

VAQUERO: A Scratchpad-based Vector Accelerator for Query Processing.

Julián Pavón, Iván Vargas Valdivieso, Joan Marimon, Roger Figueras, Francesc Moll, Osman S. Unsal, Mateo Valero, Adrián Cristal

Proceedings of the IEEE International Symposium on High-Performance Computer Architecture, 2023

Sargantana: An Academic SoC RISC-V Processor in 22nm FDSOI Technology.

Max Doblas, Gerard Candón, Xavier Carril, Marc Domínguez, Enric Erra, Alberto González, César Hernández, Víctor Jiménez, Vatistas Kostalampros, Rubén Langarita, Neiel Leyva, Guillem López-Paradís, Jonnatan Mendoza, Josep Oltra, Julián Pavón, Cristóbal Ramírez, Narcís Rodas, Enrico Reggiani, Mario Rodríguez, Carlos Rojas, Abraham Ruiz, Hugo Safadi, Víctor Soria, Alejandro Suanes, Iván Vargas, Fernando Arreza, Roger Figueras, Pau Fontova-Musté, Joan Marimon, Ricardo Martínez, Sergio Moreno, Jordi Sacristán, Oscar Alonso, Xavier Aragonès, Adrián Cristal, Ángel Diéguez, Manuel López, Diego Mateo, Francesc Moll, Miquel Moretó, Oscar Palomar, Marco A. Ramírez, Francisco Serra-Graells, Nehir Sönmez, Lluís Terés, Osman S. Unsal, Mateo Valero, Luis Villa

Proceedings of the 38th Conference on Design of Circuits and Integrated Systems, 2023

2022

MoRS: An Approximate Fault Modeling Framework for Reduced-Voltage SRAMs.

Ismail Emir Yüksel, Behzad Salami, Oguz Ergin, Osman Sabri Unsal, Adrián Cristal Kestelman

IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 2022

Can We Trust Undervolting in FPGA-Based Deep Learning Designs at Harsh Conditions?

Fahrettin Koc, Behzad Salami, Oguz Ergin, Osman S. Unsal, Adrián Cristal Kestelman

IEEE Micro, 2022

Adaptable Register File Organization for Vector Processors.

Cristóbal Ramírez Lazo, Enrico Reggiani, Carlos Rojas Morales, Roger Figueras Bagué, Luis A. Villa Vargas, Marco Antonio Ramírez Salinas, Mateo Valero Cortés, Osman Sabri Unsal, Adrián Cristal

Proceedings of the IEEE International Symposium on High-Performance Computer Architecture, 2022

DVINO: A RISC-V Vector Processor Implemented in 65nm Technology.

Guillem Cabo, Gerard Candón, Xavier Carril, Max Doblas, Marc Domínguez, Alberto González, César Hernández, Víctor Jiménez, Vatistas Kostalampros, Rubén Langarita, Neiel Leyva, Guillem López-Paradís, Jonnatan Mendoza, Francesco Minervini, Julián Pavón, Cristóbal Ramírez, Narcís Rodas, Enrico Reggiani, Mario Rodríguez, Carlos Rojas, Abraham Ruiz, Víctor Soria, Alejandro Suanes, Iván Vargas, Roger Figueras, Pau Fontova, Joan Marimon, Víctor Montabes, Adrián Cristal, Carles Hernández, Ricardo Martínez, Miquel Moretó, Francesc Moll, Oscar Palomar, Marco A. Ramírez, Antonio Rubio, Jordi Sacristán, Francisco Serra-Graells, Nehir Sönmez, Lluís Terés, Osman S. Unsal, Mateo Valero, Luís Villa

Proceedings of the 37th Conference on Design of Circuits and Integrated Systems, 2022

BiSon-e: a lightweight and high-performance accelerator for narrow integer linear algebra computing on the edge.

Enrico Reggiani, Cristóbal Ramírez Lazo, Roger Figueras Bagué, Adrián Cristal, Mauro Olivieri, Osman Sabri Unsal

Proceedings of the ASPLOS '22: 27th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Lausanne, Switzerland, 28 February 2022, 2022

2021

Efficient selective replication of critical code regions for SDC mitigation leveraging redundant multithreading.

Sanem Arslan, Osman S. Unsal

J. Supercomput., 2021

MoRS: An Approximate Fault Modelling Framework for Reduced-Voltage SRAMs.

Ismail Emir Yüksel, Behzad Salami, Oguz Ergin, Osman Sabri Unsal, Adrián Cristal Kestelman

CoRR, 2021

Scrooge Attack: Undervolting ARM Processors for Profit.

Christian Göttel, Konstantinos Parasyris, Osman S. Unsal, Pascal Felber, Marcelo Pasin, Valerio Schiavoni

CoRR, 2021

Scrooge Attack: Undervolting ARM Processors for Profit: Practical experience report.

Christian Göttel, Konstantinos Parasyris, Osman S. Unsal, Pascal Felber, Marcelo Pasin, Valerio Schiavoni

Proceedings of the 40th International Symposium on Reliable Distributed Systems, 2021

FPGA Checkpointing for Scientific Computing.

Marc Perelló Bacardit, Leonardo Bautista-Gomez, Osman S. Unsal

Proceedings of the 27th IEEE International Symposium on On-Line Testing and Robust System Design, 2021

VIA: A Smart Scratchpad for Vector Units with Application to Sparse Matrix Computations.

Julian Pavon, Iván Vargas Valdivieso, Adrián Barredo, Joan Marimon, Miquel Moretó, Francesc Moll, Osman S. Unsal, Mateo Valero, Adrián Cristal

Proceedings of the IEEE International Symposium on High-Performance Computer Architecture, 2021

Understanding Power Consumption and Reliability of High-Bandwidth Memory with Voltage Underscaling.

Seyed Saber Nabavi Larimi, Behzad Salami, Osman S. Unsal, Adrián Cristal Kestelman, Hamid Sarbazi-Azad, Onur Mutlu

Proceedings of the Design, Automation & Test in Europe Conference & Exhibition, 2021

2020

A RISC-V Simulator and Benchmark Suite for Designing and Evaluating Vector Architectures.

Cristóbal Ramírez, César-Alejandro Hernández-Calderón, Oscar Palomar, Osman S. Unsal, Marco Antonio Ramírez, Adrián Cristal

ACM Trans. Archit. Code Optim., 2020

Exceeding Conservative Limits: A Consolidated Analysis on Modern Hardware Margins.

George Papadimitriou, Athanasios Chatzidimitriou, Dimitris Gizopoulos, Vijay Janapa Reddi, Jingwen Leng, Behzad Salami, Osman S. Unsal, Adrián Cristal Kestelman

CoRR, 2020

Power and Accuracy of Multi-Layer Perceptrons (MLPs) under Reduced-voltage FPGA BRAMs Operation.

Behzad Salami, Osman S. Ünsal, Adrián Cristal

CoRR, 2020

On the Resilience of Deep Learning for Reduced-voltage FPGAs.

Kamyar Givaki, Behzad Salami, Reza Hojabr, S. M. Reza Tayaranian, Ahmad Khonsari, Dara Rahmati, Saeid Gorgin, Adrián Cristal, Osman S. Unsal

Proceedings of the 28th Euromicro International Conference on Parallel, 2020

An Experimental Study of Reduced-Voltage Operation in Modern FPGAs for Neural Network Acceleration.

Behzad Salami, Erhan Baturay Onural, Ismail Emir Yuksel, Fahrettin Koc, Oguz Ergin, Adrián Cristal Kestelman, Osman S. Unsal, Hamid Sarbazi-Azad, Onur Mutlu

Proceedings of the 50th Annual IEEE/IFIP International Conference on Dependable Systems and Networks, 2020

An Academic RISC-V Silicon Implementation Based on Open-Source Components.

Jaume Abella, Calvin Bulla, Guillem Cabo, Francisco J. Cazorla, Adrián Cristal, Max Doblas, Roger Figueras, Alberto González, Carles Hernández, César Hernández, Víctor Jiménez, Leonidas Kosmidis, Vatistas Kostalabros, Rubén Langarita, Neiel Leyva, Guillem López-Paradís, Joan Marimon, Ricardo Martínez, Jonnatan Mendoza, Francesc Moll, Miquel Moretó, Julián Pavón, Cristóbal Ramírez, Marco Antonio Ramírez, Carlos Rojas Morales, Antonio Rubio, Abraham Ruiz, Nehir Sönmez, Víctor Soria, Lluís Terés, Osman S. Unsal, Mateo Valero, Iván Vargas Valdivieso, Luis Villa

Proceedings of the XXXV Conference on Design of Circuits and Integrated Systems, 2020

LEGaTO: Low-Energy, Secure, and Resilient Toolset for Heterogeneous Computing.

Behzad Salami, Konstantinos Parasyris, Adrián Cristal, Osman S. Unsal, Xavier Martorell, Paul Carpenter, Raúl de la Cruz, Leonardo Bautista-Gomez, Daniel A. Jiménez, Carlos Álvarez, Seyed Saber Nabavi Larimi, Sergi Madonar, Miquel Pericàs, Pedro Trancoso, Mustafa Abduljabbar, Jing Chen, Pirah Noor Soomro, Madhavan Manivannan, Micha vor dem Berge, Stefan Krupop, Frank Klawonn, Al Mekhlafi, Sigrun May, Tobias Becker, Georgi Gaydadjiev, Hans Salomonsson, Devdatt P. Dubhashi, Oron Port, Yoav Etsion, Do Le Quoc, Christof Fetzer, Martin Kaiser, Nils Kucza, Jens Hagemeyer, René Griessl, Lennart Tigges, Kevin Mika, A. Hüffmeier, Marcelo Pasin, Valerio Schiavoni, Isabelly Rocha, Christian Göttel, Pascal Felber

Proceedings of the 2020 Design, Automation & Test in Europe Conference & Exhibition, 2020

Checkpoint Restart Support for Heterogeneous HPC Applications.

Konstantinos Parasyris, Kai Keller, Leonardo Bautista-Gomez, Osman S. Unsal

Proceedings of the 20th IEEE/ACM International Symposium on Cluster, 2020

2019

LEGaTO: Low-Energy, Secure, and Resilient Toolset for Heterogeneous Computing.

Behzad Salami, Konstantinos Parasyris, Adrián Cristal, Osman S. Unsal, Xavier Martorell, Paul Carpenter, Raúl de la Cruz, Leonardo Bautista-Gomez, Daniel A. Jiménez, Carlos Álvarez, S. Nabavi, Sergi Madonar, Miquel Pericàs, Pedro Trancoso, Mustafa Abduljabbar, Jing Chen, Pirah Noor Soomro, Madhavan Manivannan, Micha vor dem Berge, Stefan Krupop, Frank Klawonn, Al Mekhlafi, Sigrun May, Tobias Becker, Georgi Gaydadjiev, Daniel Ödman, Hans Salomonsson, Devdatt P. Dubhashi, Oron Port, Yoav Etsion, Do Le Quoc, Christof Fetzer, Martin Kaiser, Nils Kucza, Jens Hagemeyer, René Griessl, Lennart Tigges, Kevin Mika, A. Hüffmeier, Th. Jungeblu, Marcelo Pasin, Valerio Schiavoni, Isabelly Rocha, Christian Göttel, Pascal Felber

CoRR, 2019

Hardware Versus Software Fault Injection of Modern Undervolted SRAMs.

Muhammet Abdullah Soytürk, Konstantinos Parasyris, Behzad Salami, Osman S. Unsal, Gulay Yalcin, Leonardo Bautista-Gomez

CoRR, 2019

TauRieL: Targeting Traveling Salesman Problem with a deep reinforcement learning inspired architecture.

Gorker Alp Malazgirt, Osman S. Unsal, Adrián Cristal Kestelman

CoRR, 2019

Evaluating Built-In ECC of FPGA On-Chip Memories for the Mitigation of Undervolting Faults.

Behzad Salami, Osman S. Unsal, Adrián Cristal Kestelman

Proceedings of the 27th Euromicro International Conference on Parallel, 2019

Modern Hardware Margins: CPUs, GPUs, FPGAs Recent System-Level Studies.

Dimitris Gizopoulos, George Papadimitriou, Athanasios Chatzidimitriou, Vijay Janapa Reddi, Behzad Salami, Osman S. Unsal, Adrián Cristal Kestelman, Jingwen Leng

Proceedings of the 25th IEEE International Symposium on On-Line Testing and Robust System Design, 2019

A Novel FPGA-Based High Throughput Accelerator For Binary Search Trees.

Oyku Melikoglu, Oguz Ergin, Behzad Salami, Julian Pavon, Osman S. Unsal, Adrián Cristal

Proceedings of the 17th International Conference on High Performance Computing & Simulation, 2019

Ground-Truth Prediction to Accelerate Soft-Error Impact Analysis for Iterative Methods.

Burcu Ozcelik Mutlu, Gokcen Kestor, Adrián Cristal, Osman S. Unsal, Sriram Krishnamoorthy

Proceedings of the 26th IEEE International Conference on High Performance Computing, 2019

2018

Memory Controller for Vector Processor.

Tassadaq Hussain, Oscar Palomar, Osman S. Ünsal, Adrián Cristal, Eduard Ayguadé

J. Signal Process. Syst., 2018

Vector Processing-Aware Advanced Clock-Gating Techniques for Low-Power Fused Multiply-Add.

Ivan Ratkovic, Oscar Palomar, Milan Stanic, Osman Sabri Unsal, Adrián Cristal, Mateo Valero

IEEE Trans. Very Large Scale Integr. Syst., 2018

Exploring the capabilities of support vector machines in detecting silent data corruptions.

Omer Subasi, Sheng Di, Leonardo Bautista-Gomez, Prasanna Balaprakash, Osman S. Unsal, Jesús Labarta, Adrián Cristal, Sriram Krishnamoorthy, Franck Cappello

Sustain. Comput. Informatics Syst., 2018

A General Guide to Applying Machine Learning to Computer Architecture.

Daniel Nemirovsky, Tugberk Arkose, Nikola Markovic, Mario Nemirovsky, Osman S. Unsal, Adrián Cristal, Mateo Valero

Supercomput. Front. Innov., 2018

Unified fault-tolerance framework for hybrid task-parallel message-passing applications.

Omer Subasi, Tatiana V. Martsinkevich, Ferad Zyulkyarov, Osman S. Unsal, Jesús Labarta, Franck Cappello

Int. J. High Perform. Comput. Appl., 2018

Performance Study of Non-volatile Memories on a High-End Supercomputer.

Leonardo Bautista-Gomez, Kai Keller, Osman S. Unsal

Proceedings of the High Performance Computing, 2018

Towards Ad Hoc Recovery for Soft Errors.

Nuria Losada, Leonardo Bautista-Gomez, Kai Keller, Osman S. Unsal

Proceedings of the IEEE/ACM 8th Workshop on Fault Tolerance for HPC at eXtreme Scale, 2018

Approximating a Multi-Grid Solver.

Valentin Le Fèvre, Leonardo Bautista-Gomez, Osman S. Unsal, Marc Casas

Proceedings of the 2018 IEEE/ACM Performance Modeling, 2018

On the Resilience of RTL NN Accelerators: Fault Characterization and Mitigation.

Behzad Salami, Osman S. Unsal, Adrián Cristal Kestelman

Proceedings of the 30th International Symposium on Computer Architecture and High Performance Computing, 2018

LEGaTO: first steps towards energy-efficient toolset for heterogeneous computing.

Adrián Cristal, Osman S. Unsal, Xavier Martorell, Paul Carpenter, Raúl de la Cruz, Leonardo Bautista-Gomez, Daniel Jiménez-González, Carlos Álvarez, Behzad Salami, Sergi Madonar, Miquel Pericàs, Pedro Trancoso, Micha vor dem Berge, Gunnar Billung-Meyer, Stefan Krupop, Wolfgang Christmann, Frank Klawonn, Amani Mihklafi, Tobias Becker, Georgi Gaydadjiev, Hans Salomonsson, Devdatt P. Dubhashi, Oron Port, Elad Hadar, Yoav Etsion, Christof Fetzer, Jens Hagemeyer, Thorsten Jungeblut, Nils Kucza, Martin Kaiser, Mario Porrmann, Marcelo Pasin, Valerio Schiavoni, Isabelly Rocha, Christian Göttel, Pascal Felber

Proceedings of the 18th International Conference on Embedded Computer Systems: Architectures, 2018

Comprehensive Evaluation of Supply Voltage Underscaling in FPGA on-Chip Memories.

Behzad Salami, Osman S. Unsal, Adrián Cristal Kestelman

Proceedings of the 51st Annual IEEE/ACM International Symposium on Microarchitecture, 2018

Characterization of the Impact of Soft Errors on Iterative Methods.

Burcu Ozcelik Mutlu, Gokcen Kestor, Joseph B. Manzano, Osman S. Unsal, Samrat Chatterjee, Sriram Krishnamoorthy

Proceedings of the 25th IEEE International Conference on High Performance Computing, 2018

A Demo of FPGA Aggressive Voltage Downscaling: Power and Reliability Tradeoffs.

Behzad Salami, Osman S. Ünsal, Adrián Cristal

Proceedings of the 28th International Conference on Field Programmable Logic and Applications, 2018

Fault Characterization Through FPGA Undervolting.

Behzad Salami, Osman S. Unsal, Adrián Cristal

Proceedings of the 28th International Conference on Field Programmable Logic and Applications, 2018

Comparative analysis of soft-error detection strategies: a case study with iterative methods.

Gokcen Kestor, Burcu Ozcelik Mutlu, Joseph B. Manzano, Omer Subasi, Osman S. Unsal, Sriram Krishnamoorthy

Proceedings of the 15th ACM International Conference on Computing Frontiers, 2018

LEGaTO: towards energy-efficient, secure, fault-tolerant toolset for heterogeneous computing.

Adrián Cristal, Osman S. Unsal, Xavier Martorell, Paul Carpenter, Raúl de la Cruz, Leonardo Bautista-Gomez, Daniel Jiménez-González, Carlos Álvarez, Behzad Salami, Sergi Madonar, Miquel Pericàs, Pedro Trancoso, Micha vor dem Berge, Gunnar Billung-Meyer, Stefan Krupop, Wolfgang Christmann, Frank Klawonn, Amani Mihklafi, Tobias Becker, Georgi Gaydadjiev, Hans Salomonsson, Devdatt P. Dubhashi, Oron Port, Yoav Etsion, Vesna Nowack, Christof Fetzer, Jens Hagemeyer, Thorsten Jungeblut, Nils Kucza, Martin Kaiser, Mario Porrmann, Marcelo Pasin, Valerio Schiavoni, Isabelly Rocha, Christian Göttel, Pascal Felber

Proceedings of the 15th ACM International Conference on Computing Frontiers, 2018

2017

An Integrated Vector-Scalar Design on an In-Order ARM Core.

Milan Stanic, Oscar Palomar, Timothy Hayes, Ivan Ratkovic, Adrián Cristal, Osman S. Unsal, Mateo Valero

ACM Trans. Archit. Code Optim., 2017

Determinism at Standard-Library Level in TM-Based Applications.

Vesna Smiljkovic, Osman S. Ünsal, Adrián Cristal, Mateo Valero

Int. J. Parallel Program., 2017

Automatic Risk-based Selective Redundancy for Fault-tolerant Task-parallel HPC Applications.

Omer Subasi, Osman S. Unsal, Sriram Krishnamoorthy

Proceedings of the Third International Workshop on Extreme Scale Programming Models and Middleware, 2017

A Machine Learning Approach for Performance Prediction and Scheduling on Heterogeneous CPUs.

Daniel Nemirovsky, Tugberk Arkose, Nikola Markovic, Mario Nemirovsky, Osman S. Unsal, Adrián Cristal

Proceedings of the 29th International Symposium on Computer Architecture and High Performance Computing, 2017

RETHINK big: European roadmap for hardware anc networking optimizations for big data.

Gina Alioto, Paul M. Carpenter, Adrián Cristal, Osman S. Unsal, Marcus Leich, Christophe Avare

Proceedings of the Design, Automation & Test in Europe Conference & Exhibition, 2017

MACORD: Online Adaptive Machine Learning Framework for Silent Error Detection.

Omer Subasi, Sheng Di, Prasanna Balaprakash, Osman S. Unsal, Jesús Labarta, Adrián Cristal, Sriram Krishnamoorthy, Franck Cappello

Proceedings of the 2017 IEEE International Conference on Cluster Computing, 2017

Designing and Modelling Selective Replication for Fault-tolerant HPC Applications.

Omer Subasi, Gulay Yalcin, Ferad Zyulkyarov, Osman S. Unsal, Jesús Labarta

Proceedings of the 17th IEEE/ACM International Symposium on Cluster, 2017

A Deep Learning Mapper (DLM) for Scheduling on Heterogeneous Systems.

Daniel Nemirovsky, Tugberk Arkose, Nikola Markovic, Mario Nemirovsky, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the High Performance Computing - 4th Latin American Conference, 2017

2016

Range Translations for Fast Virtual Memory.

Jayneel Gandhi, Vasileios Karakostas, Furkan Ayar, Adrián Cristal, Mark D. Hill, Kathryn S. McKinley, Mario Nemirovsky, Michael M. Swift, Osman S. Unsal

IEEE Micro, 2016

Architectural support for efficient message passing on shared memory multi-cores.

J. Rubén Titos Gil, Oscar Palomar, Osman S. Unsal, Adrián Cristal

J. Parallel Distributed Comput., 2016

Unprotected computing: a large-scale study of DRAM raw error rate on a supercomputer.

Leonardo Bautista-Gomez, Ferad Zyulkyarov, Osman S. Unsal, Simon McIntosh-Smith

Proceedings of the International Conference for High Performance Computing, 2016

Implications of non-volatile memory as primary storage for database management systems.

Naveed Ul Mustafa, Adrià Armejach, Özcan Özturk, Adrián Cristal, Osman S. Unsal

Proceedings of the International Conference on Embedded Computer Systems: Architectures, 2016

Exploring Energy Reduction in Future Technology Nodes via Voltage Scaling with Application to 10nm.

Gulay Yalcin, Santhosh Kumar Rethinagiri, Oscar Palomar, Osman S. Ünsal, Adrián Cristal, Dragomir Milojevic

Proceedings of the 24th Euromicro International Conference on Parallel, 2016

A Fully Parameterizable Low Power Design of Vector Fused Multiply-Add Using Active Clock-Gating Techniques.

Ivan Ratkovic, Oscar Palomar, Milan Stanic, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the 2016 International Symposium on Low Power Electronics and Design, 2016

Future Vector Microprocessor Extensions for Data Aggregations.

Timothy Hayes, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the 43rd ACM/IEEE Annual International Symposium on Computer Architecture, 2016

CRC-Based Memory Reliability for Task-Parallel HPC Applications.

Omer Subasi, Osman S. Ünsal, Jesús Labarta, Gulay Yalcin, Adrián Cristal

Proceedings of the 2016 IEEE International Parallel and Distributed Processing Symposium, 2016

Energy-efficient address translation.

Vasileios Karakostas, Jayneel Gandhi, Adrián Cristal, Mark D. Hill, Kathryn S. McKinley, Mario Nemirovsky, Michael M. Swift, Osman S. Unsal

Proceedings of the 2016 IEEE International Symposium on High Performance Computer Architecture, 2016

Energy minimization at all layers of the data center: The ParaDIME project.

Oscar Palomar, Santhosh Kumar Rethinagiri, Gulay Yalcin, J. Rubén Titos Gil, Pablo Prieto, Emma Torrella, Osman S. Unsal, Adrián Cristal, Pascal Felber, Anita Sobe, Yaroslav Hayduk, Mascha Kurpicz, Christof Fetzer, Thomas Knauth, Malte Schneegaß, Jens Struckmeier, Dragomir Milojevic

Proceedings of the 2016 Design, Automation & Test in Europe Conference & Exhibition, 2016

A Runtime Heuristic to Selectively Replicate Tasks for Application-Specific Reliability Targets.

Omer Subasi, Gulay Yalcin, Ferad Zyulkyarov, Osman S. Unsal, Jesús Labarta

Proceedings of the 2016 IEEE International Conference on Cluster Computing, 2016

Towards low-power embedded vector processor.

Milan Stanic, Oscar Palomar, Timothy Hayes, Ivan Ratkovic, Osman S. Unsal, Adrián Cristal

Proceedings of the ACM International Conference on Computing Frontiers, CF'16, 2016

Spatial Support Vector Regression to Detect Silent Errors in the Exascale Era.

Omer Subasi, Sheng Di, Leonardo Bautista-Gomez, Prasanna Balaprakash, Osman S. Ünsal, Jesús Labarta, Adrián Cristal, Franck Cappello

Proceedings of the IEEE/ACM 16th International Symposium on Cluster, 2016

Accelerating Hash-Based Query Processing Operations on FPGAs by a Hash Table Caching Technique.

Behzad Salami, Oriol Arcas-Abella, Nehir Sönmez, Osman S. Unsal, Adrián Cristal Kestelman

Proceedings of the High Performance Computing - Third Latin American Conference, 2016

POSTER: An Integrated Vector-Scalar Design on an In-order ARM Core.

Milan Stanic, Oscar Palomar, Timothy Hayes, Ivan Ratkovic, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the 2016 International Conference on Parallel Architectures and Compilation, 2016

2015

TRADE: Precise Dynamic Race Detection for Scalable Transactional Memory Systems.

Gokcen Kestor, Osman S. Unsal, Adrián Cristal, Serdar Tasiran

ACM Trans. Parallel Comput., 2015

DaSH: A benchmark suite for hybrid dataflow and shared memory programming models.

Vladimir Gajinov, Srdjan Stipic, Igor Eric, Osman S. Unsal, Eduard Ayguadé, Adrián Cristal

Parallel Comput., 2015

Reimagining Heterogeneous Computing: A Functional Instruction-Set Architecture Computing Model.

Daniel Nemirovsky, Nikola Markovic, Osman S. Unsal, Mateo Valero, Adrián Cristal

IEEE Micro, 2015

Kernel-to-User-Mode Transition-Aware Hardware Scheduling.

Nikola Markovic, Daniel Nemirovsky, Osman S. Unsal, Mateo Valero, Adrián Cristal

IEEE Micro, 2015

ParaDIME: Parallel Distributed Infrastructure for Minimization of Energy for data centers.

Santhosh Kumar Rethinagiri, Oscar Palomar, Anita Sobe, Gulay Yalcin, Thomas Knauth, J. Rubén Titos Gil, Pablo Prieto, Malte Schneegaß, Adrián Cristal, Osman S. Unsal, Pascal Felber, Christof Fetzer, Dragomir Milojevic

Microprocess. Microsystems, 2015

Thread Lock Section-Aware Scheduling on Asymmetric Single-ISA Multi-Core.

Nikola Markovic, Daniel Nemirovsky, Osman S. Ünsal, Mateo Valero, Adrián Cristal

IEEE Comput. Archit. Lett., 2015

Chapter One - An Overview of Architecture-Level Power- and Energy-Efficient Design Techniques.

Ivan Ratkovic, Nikola Bezanic, Osman S. Ünsal, Adrián Cristal, Veljko Milutinovic

Adv. Comput., 2015

FAcET: Fast and accurate power/energy estimation tool for CPU-GPU platforms at architectural-level.

Santhosh Kumar Rethinagiri, Oscar Palomar, Javier Arias Moreno, Adrián Cristal, Osman S. Unsal

Proceedings of the 28th IEEE International System-on-Chip Conference, 2015

Performance and Energy Efficient Hardware-Based Scheduler for Symmetric/Asymmetric CMPs.

Nikola Markovic, Daniel Nemirovsky, Osman S. Unsal, Mateo Valero, Adrián Cristal

Proceedings of the 27th International Symposium on Computer Architecture and High Performance Computing, 2015

Tidy Cache: Improving Data Placement in Die-Stacked DRAM Caches.

Adrià Armejach, Adrián Cristal, Osman S. Unsal

Proceedings of the 27th International Symposium on Computer Architecture and High Performance Computing, 2015

Imposing coarse-grained reconfiguration to general purpose processors.

Milovan Duric, Milan Stanic, Ivan Ratkovic, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Mateo Valero, Aaron Smith

Proceedings of the 2015 International Conference on Embedded Computer Systems: Architectures, 2015

NanoCheckpoints: A Task-Based Asynchronous Dataflow Framework for Efficient and Scalable Checkpoint/Restart.

Javier Arias Moreno, Osman S. Unsal, Jesús Labarta, Adrián Cristal

Proceedings of the 23rd Euromicro International Conference on Parallel, 2015

NEMsCAM: A novel CAM cell based on nano-electro-mechanical switch and CMOS for energy efficient TLBs.

Azam Seyedi, Vasileios Karakostas, Stefan Cosemans, Adrián Cristal, Mario Nemirovsky, Osman S. Unsal

Proceedings of the 2015 IEEE/ACM International Symposium on Nanoscale Architectures, 2015

Joint Circuit-System Design Space Exploration of Multiplier Unit Structure for Energy-Efficient Vector Processors.

Ivan Ratkovic, Oscar Palomar, Milan Stanic, Milovan Duric, Djordje Peic, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the 2015 IEEE Computer Society Annual Symposium on VLSI, 2015

JSRAM: A Circuit-Level Technique for Trading-Off Robustness and Capacity in Cache Memories.

Hamzeh Ahangari, Gulay Yalcin, Ozcan Ozturk, Osman S. Unsal, Adrián Cristal

Proceedings of the 2015 IEEE Computer Society Annual Symposium on VLSI, 2015

Redundant memory mappings for fast access to large memories.

Vasileios Karakostas, Jayneel Gandhi, Furkan Ayar, Adrián Cristal, Mark D. Hill, Kathryn S. McKinley, Mario Nemirovsky, Michael M. Swift, Osman S. Unsal

Proceedings of the 42nd Annual International Symposium on Computer Architecture, 2015

DiMP: Architectural Support for Direct Message Passing on Shared Memory Multi-cores.

J. Rubén Titos Gil, Oscar Palomar, Osman S. Unsal, Adrián Cristal

Proceedings of the 44th International Conference on Parallel Processing, 2015

VPM: Virtual power meter tool for low-power many-core/heterogeneous data center prototypes.

Santhosh Kumar Rethinagiri, Oscar Palomar, Javier Arias Moreno, Osman S. Unsal, Adrián Cristal

Proceedings of the 33rd IEEE International Conference on Computer Design, 2015

Marriage Between Coordinated and Uncoordinated Checkpointing for the Exascale Era.

Omer Subasi, Ferad Zyulkyarov, Osman S. Unsal, Jesús Labarta

Proceedings of the 17th IEEE International Conference on High Performance Computing and Communications, 2015

VSR sort: A novel vectorised sorting algorithm & architecture extensions for future microprocessors.

Timothy Hayes, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the 21st IEEE International Symposium on High Performance Computer Architecture, 2015

Trigeneous Platforms for Energy Efficient Computing of HPC Applications.

Santhosh Kumar Rethinagiri, Oscar Palomar, Javier Arias Moreno, Osman S. Unsal, Adrián Cristal

Proceedings of the 22nd IEEE International Conference on High Performance Computing, 2015

High Level Synthesis Based Hardware Accelerator Design for Processing SQL Queries.

Gorker Alp Malazgirt, Nehir Sönmez, Arda Yurdakul, Adrián Cristal, Osman S. Unsal

Proceedings of the 12th FPGAworld Conference 2015, 2015

Accelerating Complete Decision Support Queries Through High-Level Synthesis Technology (Abstract Only).

Gorker Alp Malazgirt, Nehir Sönmez, Arda Yurdakul, Osman S. Unsal, Adrián Cristal

Proceedings of the 2015 ACM/SIGDA International Symposium on Field-Programmable Gate Arrays, 2015

Heterogeneous Platform to Accelerate Compute Intensive Applications.

Santhosh Kumar Rethinagiri, Oscar Palomar, Javier Arias Moreno, Osman S. Unsal, Adrián Cristal

Proceedings of the 23rd IEEE Annual International Symposium on Field-Programmable Custom Computing Machines, 2015

High-Level Debugging and Verification for FPGA-Based Multicore Architectures.

Oriol Arcas-Abella, Adrián Cristal, Osman S. Unsal

Proceedings of the 23rd IEEE Annual International Symposium on Field-Programmable Custom Computing Machines, 2015

Hardware Round-Robin Scheduler for Single-ISA Asymmetric Multi-core.

Nikola Markovic, Daniel Nemirovsky, Veljko Milutinovic, Osman S. Unsal, Mateo Valero, Adrián Cristal

Proceedings of the Euro-Par 2015: Parallel Processing, 2015

Runtime-Aware Architectures.

Marc Casas, Miquel Moretó, Lluc Alvarez, Emilio Castillo, Dimitrios Chasapis, Timothy Hayes, Luc Jaulmes, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Jesús Labarta, Mateo Valero

Proceedings of the Euro-Par 2015: Parallel Processing, 2015

Transactional Memory for Reliability.

Gulay Yalcin, Osman S. Unsal

Proceedings of the Transactional Memory. Foundations, Algorithms, Tools, and Applications, 2015

Verification Tools for Transactional Programs.

Adrián Cristal, Burcu Kulahcioglu Ozkan, Ernie Cohen, Gokcen Kestor, Ismail Kuru, Osman S. Unsal, Serdar Tasiran, Suha Orhun Mutluergil, Tayfun Elmas

Proceedings of the Transactional Memory. Foundations, Algorithms, Tools, and Applications, 2015

An energy efficient hybrid FPGA-GPU based embedded platform to accelerate face recognition application.

Santhosh Kumar Rethinagiri, Oscar Palomar, Javier Arias Moreno, Osman S. Unsal, Adrián Cristal

Proceedings of the 2015 IEEE Symposium in Low-Power and High-Speed Chips, 2015

Fault-Tolerant Protocol for Hybrid Task-Parallel Message-Passing Applications.

Tatiana V. Martsinkevich, Omer Subasi, Osman S. Unsal, Franck Cappello, Jesús Labarta

Proceedings of the 2015 IEEE International Conference on Cluster Computing, 2015

Programmer-directed partial redundancy for resilient HPC.

Omer Subasi, Javier Arias Moreno, Osman S. Unsal, Jesús Labarta, Adrián Cristal

Proceedings of the 12th ACM International Conference on Computing Frontiers, 2015

2014

Exploiting Existing Comparators for Fine-Grained Low-Cost Error Detection.

Gulay Yalcin, Oguz Ergin, Emrah Islek, Osman Sabri Unsal, Adrián Cristal

ACM Trans. Archit. Code Optim., 2014

Bit Impact Factor: Towards making fair vulnerability comparison.

Serdar Zafer Can, Gulay Yalcin, Oguz Ergin, Osman Sabri Unsal, Adrián Cristal

Microprocess. Microsystems, 2014

Using Dynamic Runtime Testing for Rapid Development of Architectural Simulators.

Sasa Tomic, Adrián Cristal, Osman S. Unsal, Mateo Valero

Int. J. Parallel Program., 2014

DESSERT: DESign Space ExploRation Tool based on power and energy at System-Level.

Santhosh Kumar Rethinagiri, Oscar Palomar, Adrián Cristal, Osman S. Unsal, Michael M. Swift

Proceedings of the 27th IEEE International System-on-Chip Conference, 2014

Neighbor-cell assisted error correction for MLC NAND flash memories.

Yu Cai, Gulay Yalcin, Onur Mutlu, Erich F. Haratsch, Osman S. Unsal, Adrián Cristal, Ken Mai

Proceedings of the ACM SIGMETRICS / International Conference on Measurement and Modeling of Computer Systems, 2014

DeTrans: Deterministic and Parallel execution of Transactions.

Vesna Smiljkovic, Srdan Stipic, Christof Fetzer, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the 26th IEEE International Symposium on Computer Architecture and High Performance Computing, 2014

A Case Study of Hybrid Dataflow and Shared-Memory Programming Models: Dependency-Based Parallel Game Engine.

Vladimir Gajinov, Igor Eric, Sasa Stojanovic, Veljko Milutinovic, Osman S. Unsal, Eduard Ayguadé, Adrián Cristal

Proceedings of the 26th IEEE International Symposium on Computer Architecture and High Performance Computing, 2014

Dynamic-vector execution on a general purpose EDGE chip multiprocessor.

Milovan Duric, Oscar Palomar, Aaron Smith, Milan Stanic, Osman S. Unsal, Adrián Cristal, Mateo Valero, Doug Burger, Alexander V. Veidenbaum

Proceedings of the XIVth International Conference on Embedded Computer Systems: Architectures, 2014

Dynamic Verification for Hybrid Concurrent Programming Models.

Erdal Mutlu, Vladimir Gajinov, Adrián Cristal, Serdar Tasiran, Osman S. Unsal

Proceedings of the Runtime Verification - 5th International Conference, 2014

PAMS: Pattern Aware Memory System for embedded systems.

Tassadaq Hussain, Nehir Sönmez, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Mateo Valero, Shakaib A. Gursal

Proceedings of the 2014 International Conference on ReConFigurable Computing and FPGAs, 2014

System-level power estimation tool for embedded processor based platforms.

Santhosh Kumar Rethinagiri, Oscar Palomar, Rabie Ben Atitallah, Smaïl Niar, Osman S. Unsal, Adrián Cristal Kestelman

Proceedings of the 2014 Workshop on Rapid Simulation and Performance Evaluation: Methods and Tools, 2014

Combining Error Detection and Transactional Memory for Energy-Efficient Computing below Safe Operation Margins.

Gulay Yalcin, Anita Sobe, Derin Harmanci, Alexey Voronin, Jons-Tobias Wamhoff, Pascal Felber, Osman S. Ünsal, Adrián Cristal, Christof Fetzer

Proceedings of the 22nd Euromicro International Conference on Parallel, 2014

VPPET: Virtual platform power and energy estimation tool for heterogeneous MPSoC based FPGA platforms.

Santhosh Kumar Rethinagiri, Oscar Palomar, Javier Arias Moreno, Osman S. Unsal, Adrián Cristal

Proceedings of the 24th International Workshop on Power and Timing Modeling, 2014

System-Level Power and Energy Estimation Methodology for Open Multimedia Applications Platforms.

Santhosh Kumar Rethinagiri, Oscar Palomar, Javier Arias Moreno, Osman S. Unsal, Adrián Cristal, Morteza Biglari-Abhari

Proceedings of the IEEE Computer Society Annual Symposium on VLSI, 2014

Physical vs. Physically-Aware Estimation Flow: Case Study of Design Space Exploration of Adders.

Ivan Ratkovic, Oscar Palomar, Milan Stanic, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the IEEE Computer Society Annual Symposium on VLSI, 2014

PETS: Power and energy estimation tool at system-level.

Santhosh Kumar Rethinagiri, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Rabie Ben Atitallah, Smaïl Niar

Proceedings of the Fifteenth International Symposium on Quality Electronic Design, 2014

Exploiting a fast and simple ECC for scaling supply voltage in level-1 caches.

Gulay Yalcin, Emrah Islek, Oyku Tozlu, Pedro Reviriego, Adrián Cristal, Osman S. Unsal, Oguz Ergin

Proceedings of the 2014 IEEE 20th International On-Line Testing Symposium, 2014

Performance analysis of the memory management unit under scale-out workloads.

Vasileios Karakostas, Osman S. Unsal, Mario Nemirovsky, Adrián Cristal, Michael M. Swift

Proceedings of the 2014 IEEE International Symposium on Workload Characterization, 2014

A dynamically reconfigurable architecture for emergency and disaster management in ITS.

Smaïl Niar, Arda Yurdakul, Osman S. Unsal, Tuna Tugcu, Aziz C. Yücetürk

Proceedings of the International Conference on Connected Vehicles and Expo, 2014

Evaluation of vectorization potential of Graph500 on Intel's Xeon Phi.

Milan Stanic, Oscar Palomar, Ivan Ratkovic, Milovan Duric, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the International Conference on High Performance Computing & Simulation, 2014

Advanced Pattern based Memory Controller for FPGA based HPC applications.

Tassadaq Hussain, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Mateo Valero

Proceedings of the International Conference on High Performance Computing & Simulation, 2014

AMMC: Advanced Multi-Core Memory Controller.

Tassadaq Hussain, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Mateo Valero, Shakaib A. Gursal

Proceedings of the 2014 International Conference on Field-Programmable Technology, 2014

MAPC: Memory access pattern based controller.

Tassadaq Hussain, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Mateo Valero

Proceedings of the 24th International Conference on Field Programmable Logic and Applications, 2014

Power estimation tool for system on programmable chip based platforms (abstract only).

Santhosh Kumar Rethinagiri, Oscar Palomar, Adrián Cristal, Osman S. Unsal

Proceedings of the 2014 ACM/SIGDA International Symposium on Field-Programmable Gate Arrays, 2014

APMC: advanced pattern based memory controller (abstract only).

Tassadaq Hussain, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Mateo Valero, Santhosh Kumar Rethinagiri

Proceedings of the 2014 ACM/SIGDA International Symposium on Field-Programmable Gate Arrays, 2014

T-Rex: a dynamic race detection tool for C/C++ transactional memory applications.

Gokcen Kestor, Osman S. Unsal, Adrián Cristal, Serdar Tasiran

Proceedings of the Ninth Eurosys Conference 2014, 2014

System-level power & energy estimation methodology and optimization techniques for CPU-GPU based mobile platforms.

Santhosh Kumar Rethinagiri, Oscar Palomar, Javier Arias Moreno, Gulay Yalcin, Osman S. Unsal, Adrián Cristal

Proceedings of the 12th IEEE Symposium on Embedded Systems for Real-time Multimedia, 2014

ParaDIME: Parallel Distributed Infrastructure for Minimization of Energy.

Santhosh Kumar Rethinagiri, Oscar Palomar, Anita Sobe, Thomas Knauth, Wojciech M. Barczynski, Gulay Yalcin, Yarco Hayduk, Adrián Cristal, Osman S. Unsal, Pascal Felber, Christof Fetzer, Julien Ryckaert, Gina Alioto

Proceedings of the 17th Euromicro Conference on Digital System Design, 2014

EVX: Vector execution on low power EDGE cores.

Milovan Duric, Oscar Palomar, Aaron Smith, Osman S. Unsal, Adrián Cristal, Mateo Valero, Doug Burger

Proceedings of the Design, Automation & Test in Europe Conference & Exhibition, 2014

Dynamic transaction coalescing.

Srdan Stipic, Vasileios Karakostas, Vesna Smiljkovic, Vladimir Gajinov, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the Computing Frontiers Conference, CF'14, 2014

VALib and SimpleVector: tools for rapid initial research on vector architectures.

Milan Stanic, Oscar Palomar, Ivan Ratkovic, Milovan Duric, Osman S. Unsal, Adrián Cristal

Proceedings of the Computing Frontiers Conference, CF'14, 2014

DaSH: a benchmark suite for hybrid dataflow and shared memory programming models: with comparative evaluation of three hybrid dataflow models.

Vladimir Gajinov, Srdan Stipic, Igor Eric, Osman S. Unsal, Eduard Ayguadé, Adrián Cristal

Proceedings of the Computing Frontiers Conference, CF'14, 2014

Flexicache: Highly Reliable and Low Power Cache under Supply Voltage Scaling.

Gulay Yalcin, Azam Seyedi, Osman S. Unsal, Adrián Cristal

Proceedings of the High Performance Computing - First HPCLATAM, 2014

PVMC: Programmable Vector Memory Controller.

Tassadaq Hussain, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Mateo Valero

Proceedings of the IEEE 25th International Conference on Application-Specific Systems, 2014

Stand-Alone Memory Controller for Graphics System.

Tassadaq Hussain, Oscar Palomar, Osman S. Ünsal, Adrián Cristal, Eduard Ayguadé, Mateo Valero, Amna Haider

Proceedings of the Reconfigurable Computing: Architectures, Tools, and Applications, 2014

2013

Profile-guided transaction coalescing - lowering transactional overheads by merging transactions.

Srdan Stipic, Vesna Smiljkovic, Osman S. Unsal, Adrián Cristal, Mateo Valero

ACM Trans. Archit. Code Optim., 2013

Techniques to improve performance in requester-wins hardware transactional memory.

Adrià Armejach, J. Rubén Titos Gil, Anurag Negi, Osman S. Unsal, Adrián Cristal

ACM Trans. Archit. Code Optim., 2013

On the selection of adder unit in energy efficient vector processing.

Ivan Ratkovic, Oscar Palomar, Milan Stanic, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the International Symposium on Quality Electronic Design, 2013

TM-dietlibc: A TM-aware Real-World System Library.

Vesna Smiljkovic, Martin Nowack, Neboja Miletic, Tim Harris, Osman S. Ünsal, Adrián Cristal, Mateo Valero

Proceedings of the 27th IEEE International Symposium on Parallel and Distributed Processing, 2013

EcoTM: Conflict-Aware Economical Unbounded Hardware Transactional Memory.

Sasa Tomic, Ege Akpinar, Adrián Cristal, Osman S. Unsal, Mateo Valero

Proceedings of the International Conference on Computational Science, 2013

HARP: Adaptive abort recurrence prediction for Hardware Transactional Memory.

Adrià Armejach, Anurag Negi, Adrián Cristal, Osman S. Unsal, Per Stenström, Tim Harris

Proceedings of the 20th Annual International Conference on High Performance Computing, 2013

Circuit design of a novel adaptable and reliable L1 data cache.

Azam Seyedi, Gulay Yalcin, Osman S. Unsal, Adrián Cristal

Proceedings of the Great Lakes Symposium on VLSI 2013 (part of ECRC), 2013

FaulTM: error detection and recovery using hardware transactional memory.

Gulay Yalcin, Osman S. Unsal, Adrián Cristal

Proceedings of the Design, Automation and Test in Europe, 2013

Improving the energy efficiency of hardware-assisted watchpoint systems.

Vasileios Karakostas, Sasa Tomic, Osman S. Unsal, Mario Nemirovsky, Adrián Cristal

Proceedings of the 50th Annual Design Automation Conference 2013, 2013

Fault tolerance for multi-threaded applications by leveraging hardware transactional memory.

Gulay Yalcin, Osman S. Unsal, Adrián Cristal

Proceedings of the Computing Frontiers Conference, 2013

2012

Hardware transactional memory with software-defined conflicts.

J. Rubén Titos Gil, Manuel E. Acacio, José M. García, Tim Harris, Adrián Cristal, Osman S. Unsal, Ibrahim Hur, Mateo Valero

ACM Trans. Archit. Code Optim., 2012

Resource-bounded multicore emulation using Beefarm.

Oriol Arcas, Nehir Sönmez, Gokhan Sayilar, Satnam Singh, Osman S. Unsal, Adrián Cristal, Ibrahim Hur, Mateo Valero

Microprocess. Microsystems, 2012

Circuit design of a dual-versioning L1 data cache.

Azam Seyedi, Adrià Armejach, Adrián Cristal, Osman S. Unsal, Ibrahim Hur, Mateo Valero

Integr., 2012

Profiling and Optimizing Transactional Memory Applications.

Ferad Zyulkyarov, Srdjan Stipic, Tim Harris, Osman S. Unsal, Adrián Cristal, Ibrahim Hur, Mateo Valero

Int. J. Parallel Program., 2012

Integrating Dataflow Abstractions into the Shared Memory Model.

Vladimir Gajinov, Srdjan Stipic, Osman S. Unsal, Tim Harris, Eduard Ayguadé, Adrián Cristal

Proceedings of the IEEE 24th International Symposium on Computer Architecture and High Performance Computing, 2012

PaRV: Parallelizing Runtime Detection and Prevention of Concurrency Errors.

Ismail Kuru, Hassan Salehe Matar, Adrián Cristal, Gokcen Kestor, Osman S. Unsal

Proceedings of the Runtime Verification, Third International Conference, 2012

Novel SRAM bias control circuits for a low power L1 data cache.

Azam Seyedi, Adrià Armejach, Adrián Cristal, Osman S. Unsal, Mateo Valero

Proceedings of the NORCHIP 2012, Copenhagen, Denmark, November 12-13, 2012, 2012

Vector Extensions for Decision Support DBMS Acceleration.

Timothy Hayes, Oscar Palomar, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the 45th Annual IEEE/ACM International Symposium on Microarchitecture, 2012

Enhancing the performance of assisted execution runtime systems through hardware/software techniques.

Gokcen Kestor, Roberto Gioiosa, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the International Conference on Supercomputing, 2012

Flash correct-and-refresh: Retention-aware error management for increased flash memory lifetime.

Yu Cai, Gulay Yalcin, Onur Mutlu, Erich F. Haratsch, Adrián Cristal, Osman S. Ünsal, Ken Mai

Proceedings of the 30th International IEEE Conference on Computer Design, 2012

A Low-Overhead Profiling and Visualization Framework for Hybrid Transactional Memory.

Oriol Arcas, Philipp Kirchhofer, Nehir Sönmez, Martin Schindewolf, Osman S. Unsal, Wolfgang Karl, Adrián Cristal

Proceedings of the 2012 IEEE 20th Annual International Symposium on Field-Programmable Custom Computing Machines, 2012

TagTM - accelerating STMs with hardware tags for fast meta-data access.

Srdjan Stipic, Sasa Tomic, Ferad Zyulkyarov, Adrián Cristal, Osman S. Ünsal, Mateo Valero

Proceedings of the 2012 Design, Automation & Test in Europe Conference & Exhibition, 2012

Transactional prefetching: narrowing the window of contention in hardware transactional memory.

Anurag Negi, Adrià Armejach, Adrián Cristal, Osman S. Unsal, Per Stenström

Proceedings of the International Conference on Parallel Architectures and Compilation Techniques, 2012

Supporting stateful tasks in a dataflow graph.

Vladimir Gajinov, Srdjan Stipic, Osman S. Unsal, Tim Harris, Eduard Ayguadé, Adrián Cristal

Proceedings of the International Conference on Parallel Architectures and Compilation Techniques, 2012

2011

RMS-TM: a comprehensive benchmark suite for transactional memory systems (abstracts only).

Gokcen Kestor, Vasileios Karakostas, Osman S. Unsal, Adrián Cristal, Ibrahim Hur, Mateo Valero

SIGMETRICS Perform. Evaluation Rev., 2011

Hybrid Transactional Memory with Pessimistic Concurrency Control.

Enrique Vallejo, Sutirtha Sanyal, Tim Harris, Fernando Vallejo, Ramón Beivide, Osman S. Unsal, Adrián Cristal, Mateo Valero

Int. J. Parallel Program., 2011

RMS-TM: a comprehensive benchmark suite for transactional memory systems.

Gokcen Kestor, Vasileios Karakostas, Osman S. Unsal, Adrián Cristal, Ibrahim Hur, Mateo Valero

Proceedings of the ICPE'11, 2011

Rapid Development of Error-Free Architectural Simulators Using Dynamic Runtime Testing.

Sasa Tomic, Adrián Cristal, Osman S. Ünsal, Mateo Valero

Proceedings of the 23rd International Symposium on Computer Architecture and High Performance Computing, 2011

FIMSIM: A fault injection infrastructure for microarchitectural simulators.

Gulay Yalcin, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the IEEE 29th International Conference on Computer Design, 2011

Circuit design of a dual-versioning L1 data cache for optimistic concurrency.

Azam Seyedi, Adrià Armejach, Adrián Cristal, Osman S. Unsal, Ibrahim Hur, Mateo Valero

Proceedings of the 21st ACM Great Lakes Symposium on VLSI 2010, 2011

TMbox: A Flexible and Reconfigurable 16-Core Hybrid Transactional Memory System.

Nehir Sönmez, Oriol Arcas, Otto Pflucker, Osman S. Unsal, Adrián Cristal, Ibrahim Hur, Satnam Singh, Mateo Valero

Proceedings of the IEEE 19th Annual International Symposium on Field-Programmable Custom Computing Machines, 2011

From Plasma to BeeFarm: Design Experience of an FPGA-Based Multicore Prototype.

Nehir Sönmez, Oriol Arcas, Gokhan Sayilar, Osman S. Unsal, Adrián Cristal, Ibrahim Hur, Satnam Singh, Mateo Valero

Proceedings of the Reconfigurable Computing: Architectures, Tools and Applications, 2011

SymptomTM: Symptom-Based Error Detection and Recovery Using Hardware Transactional Memory.

Gulay Yalcin, Osman S. Unsal, Adrián Cristal, Ibrahim Hur, Mateo Valero

Proceedings of the 2011 International Conference on Parallel Architectures and Compilation Techniques, 2011

DiDi: Mitigating the Performance Impact of TLB Shootdowns Using a Shared TLB Directory.

Carlos Villavieja, Vasileios Karakostas, Lluís Vilanova, Yoav Etsion, Alex Ramírez, Avi Mendelson, Nacho Navarro, Adrián Cristal, Osman S. Unsal

Proceedings of the 2011 International Conference on Parallel Architectures and Compilation Techniques, 2011

STM2: A Parallel STM for High Performance Simultaneous Multithreading Systems.

Gokcen Kestor, Roberto Gioiosa, Tim Harris, Osman S. Unsal, Adrián Cristal, Ibrahim Hur, Mateo Valero

Proceedings of the 2011 International Conference on Parallel Architectures and Compilation Techniques, 2011

Using a Reconfigurable L1 Data Cache for Efficient Version Management in Hardware Transactional Memory.

Adrià Armejach, Azam Seyedi, J. Rubén Titos Gil, Ibrahim Hur, Adrián Cristal, Osman S. Unsal, Mateo Valero

Proceedings of the 2011 International Conference on Parallel Architectures and Compilation Techniques, 2011

2010

The Velox Transactional Memory Stack.

Yehuda Afek, Ulrich Drepper, Pascal Felber, Christof Fetzer, Vincent Gramoli, Michael Hohmuth, Etienne Rivière, Per Stenström, Osman S. Unsal, Walther Maldonado, Derin Harmanci, Patrick Marlier, Stephan Diestelhorst, Martin Pohlack, Adrián Cristal, Ibrahim Hur, Aleksandar Dragojevic, Rachid Guerraoui, Michal Kapalka, Sasa Tomic, Guy Korland, Nir Shavit, Martin Nowack, Torvald Riegel

IEEE Micro, 2010

Debugging programs that use atomic blocks and transactional memory.

Ferad Zyulkyarov, Tim Harris, Osman S. Unsal, Adrián Cristal, Mateo Valero

Proceedings of the 15th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, 2010

Architectural Support for Fair Reader-Writer Locking.

Enrique Vallejo, Ramón Beivide, Adrián Cristal, Tim Harris, Fernando Vallejo, Osman S. Unsal, Mateo Valero

Proceedings of the 43rd Annual IEEE/ACM International Symposium on Microarchitecture, 2010

Dynamic filtering: multi-purpose architecture support for language runtime systems.

Tim Harris, Sasa Tomic, Adrián Cristal, Osman S. Unsal

Proceedings of the 15th International Conference on Architectural Support for Programming Languages and Operating Systems, 2010

Exploiting Inactive Rename Slots for Detecting Soft Errors.

Mehmet Kayaalp, Oguz Ergin, Osman S. Ünsal, Mateo Valero

Proceedings of the Architecture of Computing Systems, 2010

Discovering and understanding performance bottlenecks in transactional applications.

Ferad Zyulkyarov, Srdjan Stipic, Tim Harris, Osman S. Unsal, Adrián Cristal, Ibrahim Hur, Mateo Valero

Proceedings of the 19th International Conference on Parallel Architectures and Compilation Techniques, 2010

2009

Reducing Soft Errors through Operand Width Aware Policies.

Oguz Ergin, Osman S. Unsal, Xavier Vera, Antonio González

IEEE Trans. Dependable Secur. Comput., 2009

Atomic quake: using transactional memory in an interactive multiplayer game server.

Ferad Zyulkyarov, Vladimir Gajinov, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Tim Harris, Mateo Valero

Proceedings of the 14th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, 2009

Turbocharging boosted transactions or: how i learnt to stop worrying and love longer transactions.

Chinmay Eishan Kulkarni, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Mateo Valero

Proceedings of the 14th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, 2009

EazyHTM: eager-lazy hardware transactional memory.

Sasa Tomic, Cristian Perfumo, Chinmay Eishan Kulkarni, Adrià Armejach, Adrián Cristal, Osman S. Unsal, Tim Harris, Mateo Valero

Proceedings of the 42st Annual IEEE/ACM International Symposium on Microarchitecture (MICRO-42 2009), 2009

Taking the heat off transactions: Dynamic selection of pessimistic concurrency control.

Nehir Sönmez, Tim Harris, Adrián Cristal, Osman S. Unsal, Mateo Valero

Proceedings of the 23rd IEEE International Symposium on Parallel and Distributed Processing, 2009

Clock gate on abort: Towards energy-efficient hardware Transactional Memory.

Sutirtha Sanyal, Sourav Roy, Adrián Cristal, Osman S. Unsal, Mateo Valero

Proceedings of the 23rd IEEE International Symposium on Parallel and Distributed Processing, 2009

QuakeTM: parallelizing a complex sequential application using transactional memory.

Vladimir Gajinov, Ferad Zyulkyarov, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Tim Harris, Mateo Valero

Proceedings of the 23rd international conference on Supercomputing, 2009

Dynamically Filtering Thread-Local Variables in Lazy-Lazy Hardware Transactional Memory.

Sutirtha Sanyal, Sourav Roy, Adrián Cristal, Osman S. Unsal, Mateo Valero

Proceedings of the 11th IEEE International Conference on High Performance Computing and Communications, 2009

2008

Refueling: Preventing Wire Degradation due to Electromigration.

Jaume Abella, Xavier Vera, Osman S. Unsal, Oguz Ergin, Antonio González, James W. Tschanz

IEEE Micro, 2008

Nebelung: Execution Environment for Transactional OpenMP.

Milos Milovanovic, Roger Ferrer, Vladimir Gajinov, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Mateo Valero

Int. J. Parallel Program., 2008

WormBench: a configurable workload for evaluating transactional memory systems.

Ferad Zyulkyarov, Adrián Cristal, Sanja Cvijic, Eduard Ayguadé, Mateo Valero, Osman S. Unsal, Tim Harris

Proceedings of the 9th workshop on MEmory performance, 2008

The limits of software transactional memory (STM): dissecting Haskell STM applications on a many-core environment.

Cristian Perfumo, Nehir Sönmez, Srdjan Stipic, Osman S. Unsal, Adrián Cristal, Tim Harris, Mateo Valero

Proceedings of the 5th Conference on Computing Frontiers, 2008

2007

Transactional Memory: An Overview.

Tim Harris, Adrián Cristal, Osman S. Unsal, Eduard Ayguadé, Fabrizio Gagliardi, Burton Smith, Mateo Valero

IEEE Micro, 2007

unreadTVar: Extending Haskell Software Transactional Memory for Performance.

Nehir Sönmez, Cristian Perfumo, Srdjan Stipic, Adrián Cristal, Osman S. Unsal, Mateo Valero

Proceedings of the Eighth Symposium on Trends in Functional Programming, 2007

Multithreaded software transactional memory and OpenMP.

Milos Milovanovic, Roger Ferrer, Vladimir Gajinov, Osman S. Unsal, Adrián Cristal, Eduard Ayguadé, Mateo Valero

Proceedings of the 2007 workshop on MEmory performance, 2007

Transactional Memory and OpenMP.

Milos Milovanovic, Roger Ferrer, Osman S. Unsal, Adrián Cristal, Xavier Martorell, Eduard Ayguadé, Jesús Labarta, Mateo Valero

Proceedings of the A Practical Programming Model for the Multi-Core Era, 2007

Fuse: A Technique to Anticipate Failures due to Degradation in ALUs.

Jaume Abella, Xavier Vera, Osman S. Unsal, Oguz Ergin, Antonio González

Proceedings of the 13th IEEE International On-Line Testing Symposium (IOLTS 2007), 2007

Hardware Transactional Memory with Operating System Support, HTMOS.

Sasa Tomic, Adrián Cristal, Osman S. Unsal, Mateo Valero

Proceedings of the Euro-Par 2007 Workshops: Parallel Processing, 2007

2006

Impact of Parameter Variations on Circuits and Microarchitecture.

Osman S. Unsal, James W. Tschanz, Keith A. Bowman, Vivek De, Xavier Vera, Antonio González, Oguz Ergin

IEEE Micro, 2006

Exploiting Narrow Values for Soft Error Tolerance.

Oguz Ergin, Osman S. Unsal, Xavier Vera, Antonio González

IEEE Comput. Archit. Lett., 2006

Empowering a helper cluster through data-width aware instruction selection policies.

Osman S. Unsal, Oguz Ergin, Xavier Vera, Antonio González

Proceedings of the 20th International Parallel and Distributed Processing Symposium (IPDPS 2006), 2006

2004

Combining compiler and runtime IPC predictions to reduce energy in next generation architectures.

Saurabh Chheda, Osman S. Unsal, Israel Koren, C. Mani Krishna, Csaba Andras Moritz

Proceedings of the First Conference on Computing Frontiers, 2004

Cool-Fetch: A Compiler-Enabled IPC Estimation Based Framework for Energy Reduction.

Osman S. Unsal, Israel Koren, C. Mani Krishna, Csaba Andras Moritz

Proceedings of the 8th Annual Workshop on Interaction between Compilers and Computer Architecture (INTERACT-8 2004), 2004

2003

Cool-Cache: A compiler-enabled energy efficient data caching framework for embedded/multimedia processors.

Osman S. Unsal, Raksit Ashok, Israel Koren, C. Mani Krishna, Csaba Andras Moritz

ACM Trans. Embed. Comput. Syst., 2003

System-level power-aware design techniques in real-time systems.

Osman S. Unsal, Israel Koren

Proc. IEEE, 2003

2002

Cool-Fetch: Compiler-Enabled Power-Aware Fetch Throttling.

Osman S. Unsal, Israel Koren, C. Mani Krishna, Csaba Andras Moritz

IEEE Comput. Archit. Lett., 2002

Towards energy-aware software-based fault tolerance in real-time systems.

Osman S. Unsal, Israel Koren, C. Mani Krishna

Proceedings of the 2002 International Symposium on Low Power Electronics and Design, 2002

The Minimax Cache: An Energy-Efficient Framework for Media Processors.

Osman S. Unsal, Israel Koren, C. Mani Krishna, Csaba Andras Moritz

Proceedings of the Eighth International Symposium on High-Performance Computer Architecture (HPCA'02), 2002

2001

Cool-cache for hot multimedia.

Osman S. Unsal, Raksit Ashok, Israel Koren, C. Mani Krishna, Csaba Andras Moritz

Proceedings of the 34th Annual International Symposium on Microarchitecture, 2001

2000

Power-Aware Replication of Data Structures in Distributed Embedded Real-Time Systems.

Osman S. Unsal, Israel Koren, C. Mani Krishna

Proceedings of the Parallel and Distributed Processing, 2000