Research Areas

Resilience and Safety

Associated Publications

2021

Optimizing Selective Protection for CNN Resilience
Abdulrahman Mahmoud, Siva Hari, Christopher W. Fletcher, Sarita V. Adve, Charbel Sakr, Naresh Shanbhag, Pavlo Molchanov, Mike Sullivan, Timothy Tsai, Steve Keckler
IEEE 32nd International Symposium on Software Reliability Engineering (ISSRE)
Suraksha: A Framework to Analyze the Safety Implications of Perception Design Choices in AVs
Hengyu Zhao, Siva Hari, Timothy Tsai, Mike Sullivan, Steve Keckler, Jishen Zhao
IEEE 32nd International Symposium on Software Reliability Engineering (ISSRE)
Characterizing and Mitigating Soft Errors in GPU DRAM
Mike Sullivan, Nirmal Saxena, Mike O'Connor, Donghyuk Lee, Paul Racunas, Saurabh Hukerikar, Timothy Tsai, Siva Hari, Steve Keckler
IEEE/ACM International Symposium on Microarchitecture (MICRO)
Generating and Characterizing Scenarios for Safety Testing of Autonomous Vehicles
Zahra Ghodsi, Siva Hari, Iuri Frosio, Timothy Tsai, Alejandro Troccoli, Steve Keckler, Siddharth Garg, Anima Anandkumar
IEEE Intelligent Vehicles Symposium (IV)
NVBitFI: Dynamic Fault Injection for GPUs
Timothy Tsai, Siva Hari, Mike Sullivan, Oreste Villa, Steve Keckler
IEEE/IFIP International Conference on Dependable Systems and Networks (DSN)
Demystifying GPU Reliability: Comparing and Combining Beam Experiments, Fault Simulation, and Profiling
Fernando Fernandes dos Santos, Siva Hari, Pedro Martins Basso, Luigi Carro, Paolo Rech
IEEE International Parallel & Distributed Processing Symposium
Making Convolutions Resilient via Algorithm-Based Error Detection Techniques
Siva Hari, Mike Sullivan, Timothy Tsai, Steve Keckler
IEEE Transactions on Dependable and Secure Computing (TDSC)

2020

GPU-Trident: Efficient Modeling of Error Propagation in GPU Programs
Abdul Rehman Anwer, Guanpeng Li, Karthik Pattabiraman, Mike Sullivan, Timothy Tsai, Siva Hari
The International Conference for High Performance Computing, Networking, Storag…
Generating and Characterizing Scenarios for Safety Testing of Autonomous Vehicles
Zahra Ghodsi, Siva Hari, Iuri Frosio, Timothy Tsai, Alejandro Troccoli, Steve Keckler, Siddharth Garg, Anima Anandkumar
IEEE Automotive Reliability and Test workshop
AV-FUZZER: Finding Safety Violations in Autonomous Driving Systems
Guanpeng Li, Yiran Li, Saurabh Jha, Timothy Tsai, Mike Sullivan, Siva Hari, Zbigniew Kalbarczyk, Ravishankar Iyer
International Symposium on Software Reliability Engineering (ISREE)
Best Research Paper, ISSRE 2020
PyTorchFI: A Runtime Perturbation Tool for DNNs
Abdulrahman Mahmoud, Neeraj Aggarwal, Alex Nobbe, Jose Rodrigo Sanchez Vicarte, Sarita V. Adve, Christopher W. Fletcher, Iuri Frosio, Siva Hari
Dependable and Secure Machine Learning
Making Convolutions Resilient via Algorithm-Based Error Detection Techniques
Siva Hari, Mike Sullivan, Timothy Tsai, Steve Keckler
arXiv
Estimating Silent Data Corruption Rates Using a Two-Level Model
Siva Hari, Paolo Rech, Timothy Tsai, Mark Stephenson, Arslan Zulfiqar, Mike Sullivan, Philip Shirvani, Paul Racunas, Joel Emer, Steve Keckler
arxiv.org
Feature Map Vulnerability Evaluation in CNNS
Abdulrahman Mahmoud, Siva Hari, Christopher W. Fletcher, Sarita V. Adve, Charbel Sakr, Naresh Shanbhag, Pavlo Molchanov, Mike Sullivan, Timothy Tsai, Steve Keckler
Workshop on Secure and Resilient Autonomy

2019

GPU Snapshot: Checkpoint Offloading for GPU-Dense Systems
Kyushick Lee, Mike Sullivan, Siva Hari, Timothy Tsai, Steve Keckler, Mattan Erez
International Conference on Supercomputing
On the Trend of Resilience for GPU-Dense Systems
Kyushick Lee, Mike Sullivan, Siva Hari, Timothy Tsai, Steve Keckler, Mattan Erez
IEEE/IFIP International Conference on Dependable Systems and Networks
ML-based Fault Injection for Autonomous Vehicles: A Case for Bayesian Fault Injection
Saurabh Jha, Subho Banerjee, Timothy Tsai, Siva Hari, Mike Sullivan, Zbigniew T. Kalbarczyk, Steve Keckler, Ravishankar K. Iyer
International Conference on Dependable Systems and Networks (DSN-2019)

2018

Optimizing Software-Directed Instruction Replication for GPU Error Detection
Abdulrahman Mahmoud, Siva Hari, Mike Sullivan, Timothy Tsai, Steve Keckler
International Conference for High-Performance Computing, Networking, Storage a…
Evaluating and Accelerating High-Fidelity Error Injection for HPC
Chun-Kai Chang, Sangkug Lym, Nicholas Kelly, Mike Sullivan, Mattan Erez
The International Conference on High Performance Computing, Networking, Storage…
Kayotee: A Fault Injection-based System to Assess the Safety and Reliability of Autonomous Vehicles to Faults and Errors
Saurabh Jha, Timothy Tsai, Siva Hari, Mike Sullivan, Zbigniew Kalbarczyk, Steve Keckler, Ravishankar K. Iyer
Third IEEE International Workshop on Automotive Reliability & Test
SwapCodes: Error Codes for Hardware-Software Cooperative GPU Pipeline Error Detection
Mike Sullivan, Siva Hari, Brian Zimmer, Timothy Tsai, Steve Keckler
The International Symposium on Microarchitecture (MICRO)
CRUM: Checkpoint-Restart Support for CUDA's Unified Memory
Rohan Garg, Apoorve Mohan, Mike Sullivan, Gene Cooperman
The International Conference on Cluster Computing (IEEE CLUSTER)
Modeling Soft Error Propagation in Programs
Guanpeng Li, Karthik Pattabiraman, Siva Hari, Mike Sullivan, Timothy Tsai
IEEE/IFIP International Conference on Dependable Systems and Networks (DSN)
Hamartia: A Fast and Accurate Error Injection Framework
Chun-Kai Chang, Sangkug Lym, Nicholas Kelly, Mike Sullivan, Mattan Erez
The International Conference on Dependable Systems and Networks (DSN)

2017

Understanding Error Propagation in Deep Learning Neural Network (DNN) Accelerators and Applications
Guanpeng Li, Siva Hari, Mike Sullivan, Timothy Tsai, Karthik Pattabiraman, Joel Emer, Steve Keckler
The International Conference for High Performance Computing, Networking, Storag…
SASSIFI: An Architecture-level Fault Injection Tool for GPU Application Resilience Evaluation
Siva Hari, Timothy Tsai, Mark Stephenson, Steve Keckler, Joel Emer
IEEE International Symposium on Performance Analysis of Systems and Software (I…

2016

Approxilyzer: Towards A Systematic Framework for Instruction-Level Approximate Computing and its Application to Hardware Resiliency
Radha Venkatagiri, Abdulrahman Mahmoud, Siva Hari, Sarita Adve
Approxilyzer: Towards A Systematic Framework for Instruction-Level Approximate …

Researchers

Brian Zimmer
Donghyuk Lee
Mike Sullivan
Mike O'Connor
Siva Hari
Steve Keckler
Sushant Veer
Timothy Tsai
Tom Gray
Vinu Joseph
Yuxiao Chen