publications

You will find papers, bibs, pdfs and slides.

You can check the full list of publications in my Google Scholar

2024

  1. IEEE Access
    SpyHammer: Understanding and exploiting RowHammer under fine-grained temperature variations
    Lois Orosa, Ulrich Rührmair, A Giray Yağlikçi, Haocong Luo, Ataberk Olgun, Patrick Jattke, Minesh Patel, Jeremie S Kim, Kaveh Razavi, and Onur Mutlu
    IEEE access, 2024

2023

  1. TCAD
    DRAM bender: An extensible and versatile FPGA-based infrastructure to easily test state-of-the-art DRAM chips
    Ataberk Olgun, Hasan Hassan, A Giray Yağlıkçı, Yahya Can Tuğrul, Lois Orosa, Haocong Luo, Minesh Patel, Oğuz Ergin, and Onur Mutlu
    IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2023
  2. Using Approximate DRAM for Enabling Energy-Efficient, High-Performance Deep Neural Network Inference
    Lois Orosa, Skanda Koppula, Konstantinos Kanellopoulos, A Giray Yağlıkçı, and Onur Mutlu
    In Embedded Machine Learning for Cyber-Physical, IoT, and Edge Computing: Hardware Architectures, 2023
  3. TC
    EcoFlow: efficient convolutional dataflows on low-power neural network accelerators
    Lois Orosa, Skanda Koppula, Yaman Umuroglu, Konstantinos Kanellopoulos, Juan Gómez-Luna, Michaela Blott, Kees Vissers, and Onur Mutlu
    IEEE Transactions on Computers, 2023

2022

  1. TETC
    Alp: Alleviating cpu-memory data movement overheads in memory-centric systems
    Nika Mansouri Ghiasi, Nandita Vijaykumar, Geraldo F Oliveira, Lois Orosa, Ivan Fernandez, Mohammad Sadrosadati, Konstantinos Kanellopoulos, Nastaran Hajinazar, Juan Gómez Luna, and Onur Mutlu
    IEEE Transactions on Emerging Topics in Computing, 2022
  2. DSN
    Understanding rowhammer under reduced wordline voltage: An experimental study using real dram devices
    A Giray Yağlıkçı, Haocong Luo, Geraldo F De Oliviera, Ataberk Olgun, Minesh Patel, Jisung Park, Hasan Hassan, Jeremie S Kim, Lois Orosa, and Onur Mutlu
    In 2022 52nd Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN), 2022
  3. MICRO
    pluto: Enabling massively parallel computation in dram via lookup tables
    João Dinis Ferreira, Gabriel Falcao, Juan Gómez-Luna, Mohammed Alser, Lois Orosa, Mohammad Sadrosadati, Jeremie S Kim, Geraldo F Oliveira, Taha Shahroodi, Anant Nori, and others
    In 2022 55th IEEE/ACM International Symposium on Microarchitecture (MICRO), 2022
  4. Hira: Hidden Row Activation for Reducing Refresh Latency of Off-The Dram Chips
    A Giray Yaglikci, Ataberk Olgun, Minesh Patel, Haocong Luo, Hasan Hassan, Lois Orosa, and Onur Mutlu
    In 55th Annual IEEE/ACM International Symposium on Microarchitecture (MICRO), 2022
  5. arXiv
    NEON: Enabling Efficient Support for Nonlinear Operations in Resistive RAM-based Neural Network Accelerators
    Aditya Manglik, Minesh Patel, Haiyu Mao, Behzad Salami, Jisung Park, Lois Orosa, and Onur Mutlu
    arXiv preprint arXiv:2211.05730, 2022
  6. JPDC
    Optically connected memory for disaggregated data centers
    Jorge Gonzalez, Mauricio G Palma, Maarten Hattink, Ruth Rubio-Noriega, Lois Orosa, Onur Mutlu, Keren Bergman, and Rodolfo Azevedo
    Journal of Parallel and Distributed Computing, 2022
  7. HPCA
    DR-STRaNGe: End-to-end system design for DRAM-based true random number generators
    F Nisa Bostancı, Ataberk Olgun, Lois Orosa, A Giray Yağlıkçı, Jeremie S Kim, Hasan Hassan, Oğuz Ergin, and Onur Mutlu
    In 2022 IEEE international symposium on high-performance computer architecture (HPCA), 2022

2021

  1. ISCA
    IChannels: Exploiting current management mechanisms to create covert channels in modern processors
    Jawad Haj-Yahya, Lois Orosa, Jeremie S Kim, Juan Gómez Luna, A Giray Yağlıkçı, Mohammed Alser, Ivan Puddu, and Onur Mutlu
    In 2021 ACM/IEEE 48th Annual International Symposium on Computer Architecture (ISCA), 2021
  2. MICRO
    A deeper look into RowHammer’s sensitivities: Experimental analysis of real DRAM chips and implications on future attacks and defenses
    Lois Orosa, Abdullah Giray Yaglikci, Haocong Luo, Ataberk Olgun, Jisung Park, Hasan Hassan, Minesh Patel, Jeremie S Kim, and Onur Mutlu
    In MICRO-54: 54th Annual IEEE/ACM International Symposium on Microarchitecture, 2021
  3. ASPLOS
    Reducing solid-state drive read latency by optimizing read-retry
    Jisung Park, Myungsuk Kim, Myoungjun Chun, Lois Orosa, Jihong Kim, and Onur Mutlu
    In Proceedings of the 26th ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS), 2021
  4. HPCA
    Syncron: Efficient synchronization support for near-data-processing architectures
    Christina Giannoula, Nandita Vijaykumar, Nikela Papadopoulou, Vasileios Karakostas, Ivan Fernandez, Juan Gómez-Luna, Lois Orosa, Nectarios Koziris, Georgios Goumas, and Onur Mutlu
    In 2021 IEEE International Symposium on High-Performance Computer Architecture (HPCA), 2021
  5. HPCA
    Blockhammer: Preventing rowhammer at low cost by blacklisting rapidly-accessed dram rows
    A Giray Yağlikçi, Minesh Patel, Jeremie S Kim, Roknoddin Azizi, Ataberk Olgun, Lois Orosa, Hasan Hassan, Jisung Park, Konstantinos Kanellopoulos, Taha Shahroodi, and others
    In 2021 IEEE International Symposium on High-Performance Computer Architecture (HPCA), 2021
  6. IEEE Access
    DAMOV: A new methodology and benchmark suite for evaluating data movement bottlenecks
    Geraldo F Oliveira, Juan Gómez-Luna, Lois Orosa, Saugata Ghose, Nandita Vijaykumar, Ivan Fernandez, Mohammad Sadrosadati, and Onur Mutlu
    IEEE Access, 2021
  7. ISCA
    Codic: A low-cost substrate for enabling custom in-dram functionalities and optimizations
    Lois Orosa, Yaohua Wang, Mohammad Sadrosadati, Jeremie S Kim, Minesh Patel, Ivan Puddu, Haocong Luo, Kaveh Razavi, Juan Gómez-Luna, Hasan Hassan, and others
    In 2021 ACM/IEEE 48th Annual International Symposium on Computer Architecture (ISCA), 2021

2020

  1. MICRO
    FIGARO: Improving system performance via fine-grained in-DRAM data relocation and caching
    Yaohua Wang, Lois Orosa, Xiangjun Peng, Yang Guo, Saugata Ghose, Minesh Patel, Jeremie S Kim, Juan Gómez Luna, Mohammad Sadrosadati, Nika Mansouri Ghiasi, and others
    In 2020 53rd Annual IEEE/ACM International Symposium on Microarchitecture (MICRO), 2020
  2. ISCA
    Revisiting rowhammer: An experimental analysis of modern dram devices and mitigation techniques
    Jeremie S Kim, Minesh Patel, A Giray Yağlıkçı, Hasan Hassan, Roknoddin Azizi, Lois Orosa, and Onur Mutlu
    In 2020 ACM/IEEE 47th Annual International Symposium on Computer Architecture (ISCA), 2020
  3. MICRO
    FlexWatts: A power-and workload-aware hybrid power delivery network for energy-efficient microprocessors
    Jawad Haj-Yahya, Mohammed Alser, Jeremie S Kim, Lois Orosa, Efraim Rotem, Avi Mendelson, Anupam Chattopadhyay, and Onur Mutlu
    In 2020 53rd Annual IEEE/ACM International Symposium on Microarchitecture (MICRO), 2020
  4. ICCD
    WoLFRaM: Enhancing wear-leveling and fault tolerance in resistive memories using programmable address decoders
    Leonid Yavits, Lois Orosa, Suyash Mahar, João Dinis Ferreira, Mattan Erez, Ran Ginosar, and Onur Mutlu
    In 2020 IEEE 38th International Conference on Computer Design (ICCD), 2020
  5. ASPLOS
    Evanesco: Architectural support for efficient data sanitization in modern flash-based storage systems
    Myungsuk Kim, Jisung Park, Genhee Cho, Yoona Kim, Lois Orosa, Onur Mutlu, and Jihong Kim
    In Proceedings of the Twenty-Fifth International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS), 2020
  6. IEEE Design & Test
    Robust machine learning systems: Challenges, current trends, perspectives, and the road ahead
    Muhammad Shafique, Mahum Naseer, Theocharis Theocharides, Christos Kyrkou, Onur Mutlu, Lois Orosa, and Jungwook Choi
    IEEE Design & Test, 2020
  7. ISCA
    CLR-DRAM: A low-cost DRAM architecture enabling dynamic capacity-latency trade-off
    Haocong Luo, Taha Shahroodi, Hasan Hassan, Minesh Patel, A Giray Yağlıkçı, Lois Orosa, Jisung Park, and Onur Mutlu
    In 2020 ACM/IEEE 47th Annual International Symposium on Computer Architecture (ISCA), 2020

2019

  1. HPCA
    D-RaNGe: Using commodity DRAM devices to generate true random numbers with low latency and high throughput
    Jeremie S Kim, Minesh Patel, Hasan Hassan, Lois Orosa, and Onur Mutlu
    In 2019 IEEE International symposium on high performance computer architecture (HPCA), 2019
  2. TACO
    ITAP: Idle-time-aware power management for GPU execution units
    Mohammad Sadrosadati, Seyed Borna Ehsani, Hajar Falahati, Rachata Ausavarungnirun, Arash Tavakkol, Mojtaba Abaee, Lois Orosa, Yaohua Wang, Hamid Sarbazi-Azad, and Onur Mutlu
    ACM Transactions on Architecture and Code Optimization (TACO), 2019
  3. MICRO
    EDEN: Enabling energy-efficient, high-performance deep neural network inference using approximate DRAM
    Skanda Koppula, Lois Orosa, A Giray Yağlıkçı, Roknoddin Azizi, Taha Shahroodi, Konstantinos Kanellopoulos, and Onur Mutlu
    In Proceedings of the 52nd Annual IEEE/ACM International Symposium on Microarchitecture (MICRO), 2019

2018

  1. MICRO
    Reducing DRAM latency via charge-level-aware look-ahead partial restoration
    Yaohua Wang, Arash Tavakkol, Lois Orosa, Saugata Ghose, Nika Mansouri Ghiasi, Minesh Patel, Jeremie S Kim, Hasan Hassan, Mohammad Sadrosadati, and Onur Mutlu
    In 2018 51st Annual IEEE/ACM International Symposium on Microarchitecture (MICRO), 2018
  2. TACO
    AVPP: Address-first value-next predictor with value prefetching for improving the efficiency of load value prediction
    Lois Orosa, Rodolfo Azevedo, and Onur Mutlu
    ACM Transactions on Architecture and Code Optimization (TACO), 2018
  3. ISCA
    FLIN: Enabling fairness and enhancing performance in modern NVMe solid state drives
    Arash Tavakkol, Mohammad Sadrosadati, Saugata Ghose, Jeremie Kim, Yixin Luo, Yaohua Wang, Nika Mansouri Ghiasi, Lois Orosa, Juan Gómez-Luna, and Onur Mutlu
    In 2018 acm/ieee 45th annual international symposium on computer architecture (ISCA), 2018

2016

  1. The Computer Journal
    Asymmetric Allocation in a Shared Flexible Signature Module for Multicore Processors
    Lois Orosa, Javier D Bruguera, and Elisardo Antelo
    The Computer Journal, 2016
  2. PDP
    A Hardware Approach to Detect, Expose and Tolerate High Level Data Races
    Lois Orosa and Joao Lourenco
    In 2016 24th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing (PDP), 2016
  3. ASAP
    Temporal frequent value locality
    Lois Orosa and Rodolfo Azevedo
    In 2016 IEEE 27th International Conference on Application-specific Systems, Architectures and Processors (ASAP), 2016
  4. ICECS
    Architecting a computer with a full optical RAM
    Jorge Gonzalez, Lois Orosa, and Rodolfo Azevedo
    In 2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS), 2016

2012

  1. TACO
    Flexsig: Implementing flexible hardware signatures
    Lois Orosa, Elisardo Antelo, and Javier D Bruguera
    ACM Transactions on Architecture and Code Optimization (TACO), 2012
  2. HPCA
    Pacman: Tolerating asymmetric data races with unintrusive hardware
    Shanxiang Qi, Norimasa Otsuki, Lois Orosa Nogueira, Abdullah Muzahid, and Josep Torrellas
    In IEEE International Symposium on High-Performance Comp Architecture (HPCA), 2012