Timothy Tsai

34 papers A* 3A 12B 1C 2Journal 12Unranked 4
YearRankTypeTitle / Venue / Authors
2025 J jnl
Understanding Error Propagation in Deep-Learning Neural Networks' Accelerators and Applications.
IEEE Des. Test
Guanpeng Li, Siva Kumar Sastry Hari, Michael B. Sullivan, Timothy Tsai, Karthik Pattabiraman, Joel S. Emer, Stephen W. Keckler
2024 C conf
Understanding Mixed Precision GEMM with MPGemmFI: Insights into Fault Resilience.
CLUSTER
Bo Fang, Xinyi Li, Harvey Dam, Cheng Tan, Siva Kumar Sastry Hari, Timothy Tsai, Ignacio Laguna, Dingwen Tao, Ganesh Gopalakrishnan, Prashant J. Nair, Kevin J. Barker, Ang Li
2023 J jnl
MPGemmFI: A Fault Injection Technique for Mixed Precision GEMM in ML Applications.
CoRR
Bo Fang, Xinyi Li, Harvey Dam, Cheng Tan, Siva Kumar Sastry Hari, Timothy Tsai, Ignacio Laguna, Dingwen Tao, Ganesh Gopalakrishnan, Prashant J. Nair, Kevin J. Barker, Ang Li
2022 J jnl
Characterizing and Mitigating Soft Errors in GPU DRAM.
IEEE Micro
Michael B. Sullivan, Nirmal R. Saxena, Mike O'Connor, Donghyuk Lee, Paul Racunas, Saurabh Hukerikar, Timothy Tsai, Siva Kumar Sastry Hari, Stephen W. Keckler
2022 A conf
Exploiting Temporal Data Diversity for Detecting Safety-critical Faults in AV Compute Systems.
DSN
Saurabh Jha, Shengkun Cui, Timothy Tsai, Siva Kumar Sastry Hari, Michael B. Sullivan, Zbigniew T. Kalbarczyk, Stephen W. Keckler, Ravishankar K. Iyer
2022 J jnl
Making Convolutions Resilient Via Algorithm-Based Error Detection Techniques.
IEEE Trans. Dependable Secur. Comput.
Siva Kumar Sastry Hari, Michael B. Sullivan, Timothy Tsai, Stephen W. Keckler
2022 — conf
Towards Precision-Aware Fault Tolerance Approaches for Mixed-Precision Applications.
FTXS@SC
Bo Fang, Siva Kumar Sastry Hari, Timothy Tsai, Xinyi Li, Ganesh Gopalakrishnan, Ignacio Laguna, Kevin J. Barker, Ang Li
2022 J jnl
Zhuyi: Perception Processing Rate Estimation for Safety in Autonomous Vehicles.
CoRR
Yu-Shun Hsiao, Siva Kumar Sastry Hari, Michal Filipiuk, Timothy Tsai, Michael B. Sullivan, Vijay Janapa Reddi, Vasu Singh, Stephen W. Keckler
2022 A* conf
Zhuyi: perception processing rate estimation for safety in autonomous vehicles.
DAC
Yu-Shun Hsiao, Siva Kumar Sastry Hari, Michal Filipiuk, Timothy Tsai, Michael B. Sullivan, Vijay Janapa Reddi, Vasu Singh, Stephen W. Keckler
2021 A* conf
Characterizing and Mitigating Soft Errors in GPU DRAM.
MICRO
Michael B. Sullivan, Nirmal R. Saxena, Mike O'Connor, Donghyuk Lee, Paul Racunas, Saurabh Hukerikar, Timothy Tsai, Siva Kumar Sastry Hari, Stephen W. Keckler
2021 C conf
Generating and Characterizing Scenarios for Safety Testing of Autonomous Vehicles.
IV
Zahra Ghodsi, Siva Kumar Sastry Hari, Iuri Frosio, Timothy Tsai, Alejandro J. Troccoli, Stephen W. Keckler, Siddharth Garg, Anima Anandkumar
2021 J jnl
Generating and Characterizing Scenarios for Safety Testing of Autonomous Vehicles.
CoRR
Zahra Ghodsi, Siva Kumar Sastry Hari, Iuri Frosio, Timothy Tsai, Alejandro J. Troccoli, Stephen W. Keckler, Siddharth Garg, Anima Anandkumar
2021 A conf
NVBitFI: Dynamic Fault Injection for GPUs.
DSN
Timothy Tsai, Siva Kumar Sastry Hari, Michael B. Sullivan, Oreste Villa, Stephen W. Keckler
2021 A conf
Optimizing Selective Protection for CNN Resilience.
ISSRE
Abdulrahman Mahmoud, Siva Kumar Sastry Hari, Christopher W. Fletcher, Sarita V. Adve, Charbel Sakr, Naresh R. Shanbhag, Pavlo Molchanov, Michael B. Sullivan, Timothy Tsai, Stephen W. Keckler
2021 — conf
Simulation Driven Design and Test for Safety of AI Based Autonomous Vehicles.
CVPR Workshops
Vasu Singh, Siva Kumar Sastry Hari, Timothy Tsai, Mandar Pitale
2021 A conf
Suraksha: A Framework to Analyze the Safety Implications of Perception Design Choices in AVs.
ISSRE
Hengyu Zhao, Siva Kumar Sastry Hari, Timothy Tsai, Michael B. Sullivan, Stephen W. Keckler, Jishen Zhao
2021 — conf
Suraksha: A Quantitative AV Safety Evaluation Framework to Analyze Safety Implications of Perception Design Choices.
DSN Workshops
Hengyu Zhao, Siva Kumar Sastry Hari, Timothy Tsai, Michael B. Sullivan, Stephen W. Keckler, Jishen Zhao
2020 A conf
AV-FUZZER: Finding Safety Violations in Autonomous Driving Systems.
ISSRE
Guanpeng Li, Yiran Li, Saurabh Jha, Timothy Tsai, Michael B. Sullivan, Siva Kumar Sastry Hari, Zbigniew Kalbarczyk, Ravishankar K. Iyer
2020 J jnl
Estimating Silent Data Corruption Rates Using a Two-Level Model.
CoRR
Siva Kumar Sastry Hari, Paolo Rech, Timothy Tsai, Mark Stephenson, Arslan Zulfiqar, Michael B. Sullivan, Philip P. Shirvani, Paul Racunas, Joel S. Emer, Stephen W. Keckler
2020 A conf
GPU-trident: efficient modeling of error propagation in GPU programs.
SC
Abdul Rehman Anwer, Guanpeng Li, Karthik Pattabiraman, Michael B. Sullivan, Timothy Tsai, Siva Kumar Sastry Hari
2020 J jnl
HarDNN: Feature Map Vulnerability Evaluation in CNNs.
CoRR
Abdulrahman Mahmoud, Siva Kumar Sastry Hari, Christopher W. Fletcher, Sarita V. Adve, Charbel Sakr, Naresh R. Shanbhag, Pavlo Molchanov, Michael B. Sullivan, Timothy Tsai, Stephen W. Keckler
2020 A conf
ML-Driven Malware that Targets AV Safety.
DSN
Saurabh Jha, Shengkun Cui, Subho S. Banerjee, James Cyriac, Timothy Tsai, Zbigniew Kalbarczyk, Ravishankar K. Iyer
2020 J jnl
ML-driven Malware that Targets AV Safety.
CoRR
Saurabh Jha, Shengkun Cui, Subho S. Banerjee, Timothy Tsai, Zbigniew Kalbarczyk, Ravishankar K. Iyer
2020 J jnl
Making Convolutions Resilient via Algorithm-Based Error Detection Techniques.
CoRR
Siva Kumar Sastry Hari, Michael B. Sullivan, Timothy Tsai, Stephen W. Keckler
2019 A conf
GPU snapshot: checkpoint offloading for GPU-dense systems.
ICS
Kyushick Lee, Michael B. Sullivan, Siva Kumar Sastry Hari, Timothy Tsai, Stephen W. Keckler, Mattan Erez
2019 J jnl
Kayotee: A Fault Injection-based System to Assess the Safety and Reliability of Autonomous Vehicles to Faults and Errors.
CoRR
Saurabh Jha, Timothy Tsai, Siva Kumar Sastry Hari, Michael B. Sullivan, Zbigniew Kalbarczyk, Stephen W. Keckler, Ravishankar K. Iyer
2019 A conf
ML-Based Fault Injection for Autonomous Vehicles: A Case for Bayesian Fault Injection.
DSN
Saurabh Jha, Subho S. Banerjee, Timothy Tsai, Siva Kumar Sastry Hari, Michael B. Sullivan, Zbigniew T. Kalbarczyk, Stephen W. Keckler, Ravishankar K. Iyer
2019 J jnl
ML-based Fault Injection for Autonomous Vehicles: A Case for Bayesian Fault Injection.
CoRR
Saurabh Jha, Subho S. Banerjee, Timothy Tsai, Siva Kumar Sastry Hari, Michael B. Sullivan, Zbigniew T. Kalbarczyk, Stephen W. Keckler, Ravishankar K. Iyer
2019 — conf
On the Trend of Resilience for GPU-Dense Systems.
DSN (Supplements)
Kyushick Lee, Michael B. Sullivan, Siva Kumar Sastry Hari, Timothy Tsai, Stephen W. Keckler, Mattan Erez
2018 A conf
Modeling Soft-Error Propagation in Programs.
DSN
Guanpeng Li, Karthik Pattabiraman, Siva Kumar Sastry Hari, Michael B. Sullivan, Timothy Tsai
2018 A conf
Optimizing software-directed instruction replication for GPU error detection.
SC
Abdulrahman Mahmoud, Siva Kumar Sastry Hari, Michael B. Sullivan, Timothy Tsai, Stephen W. Keckler
2018 A* conf
SwapCodes: Error Codes for Hardware-Software Cooperative GPU Pipeline Error Detection.
MICRO
Michael B. Sullivan, Siva Kumar Sastry Hari, Brian Zimmer, Timothy Tsai, Stephen W. Keckler
2017 B conf
SASSIFI: An architecture-level fault injection tool for GPU application resilience evaluation.
ISPASS
Siva Kumar Sastry Hari, Timothy Tsai, Mark Stephenson, Stephen W. Keckler, Joel S. Emer
2017 A conf
Understanding error propagation in deep learning neural network (DNN) accelerators and applications.
SC
Guanpeng Li, Siva Kumar Sastry Hari, Michael B. Sullivan, Timothy Tsai, Karthik Pattabiraman, Joel S. Emer, Stephen W. Keckler