Timothy Tsai

According to our database, Timothy Tsai authored at least 28 papers between 2017 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Understanding Mixed Precision GEMM with MPGemmFI: Insights into Fault Resilience.

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

Proceedings of the IEEE International Conference on Cluster Computing, 2024

2023

MPGemmFI: A Fault Injection Technique for Mixed Precision GEMM in ML Applications.

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

CoRR, 2023

2022

Making Convolutions Resilient Via Algorithm-Based Error Detection Techniques.

Siva Kumar Sastry Hari, Michael B. Sullivan, Timothy Tsai, Stephen W. Keckler

IEEE Trans. Dependable Secur. Comput., 2022

Characterizing and Mitigating Soft Errors in GPU DRAM.

Michael B. Sullivan, Nirmal R. Saxena, Mike O'Connor, Donghyuk Lee, Paul Racunas, Saurabh Hukerikar, Timothy Tsai, Siva Kumar Sastry Hari, Stephen W. Keckler

IEEE Micro, 2022

Towards Precision-Aware Fault Tolerance Approaches for Mixed-Precision Applications.

Bo Fang, Siva Kumar Sastry Hari, Timothy Tsai, Xinyi Li, Ganesh Gopalakrishnan, Ignacio Laguna, Kevin J. Barker, Ang Li

Proceedings of the 12th IEEE/ACM Workshop on Fault Tolerance for HPC at eXtreme Scale, 2022

Exploiting Temporal Data Diversity for Detecting Safety-critical Faults in AV Compute Systems.

Saurabh Jha, Shengkun Cui, Timothy Tsai, Siva Kumar Sastry Hari, Michael B. Sullivan, Zbigniew T. Kalbarczyk, Stephen W. Keckler, Ravishankar K. Iyer

Proceedings of the 52nd Annual IEEE/IFIP International Conference on Dependable Systems and Networks, 2022

Zhuyi: perception processing rate estimation for safety in autonomous vehicles.

Yu-Shun Hsiao, Siva Kumar Sastry Hari, Michal Filipiuk, Timothy Tsai, Michael B. Sullivan, Vijay Janapa Reddi, Vasu Singh, Stephen W. Keckler

Proceedings of the DAC '22: 59th ACM/IEEE Design Automation Conference, San Francisco, California, USA, July 10, 2022

2021

Generating and Characterizing Scenarios for Safety Testing of Autonomous Vehicles.

Zahra Ghodsi, Siva Kumar Sastry Hari, Iuri Frosio, Timothy Tsai, Alejandro J. Troccoli, Stephen W. Keckler, Siddharth Garg, Anima Anandkumar

Proceedings of the IEEE Intelligent Vehicles Symposium, 2021

Suraksha: A Framework to Analyze the Safety Implications of Perception Design Choices in AVs.

Hengyu Zhao, Siva Kumar Sastry Hari, Timothy Tsai, Michael B. Sullivan, Stephen W. Keckler, Jishen Zhao

Proceedings of the 32nd IEEE International Symposium on Software Reliability Engineering, 2021

Optimizing Selective Protection for CNN Resilience.

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

Proceedings of the 32nd IEEE International Symposium on Software Reliability Engineering, 2021

Suraksha: A Quantitative AV Safety Evaluation Framework to Analyze Safety Implications of Perception Design Choices.

Hengyu Zhao, Siva Kumar Sastry Hari, Timothy Tsai, Michael B. Sullivan, Stephen W. Keckler, Jishen Zhao

Proceedings of the 51st Annual IEEE/IFIP International Conference on Dependable Systems and Networks Workshops, 2021

NVBitFI: Dynamic Fault Injection for GPUs.

Timothy Tsai, Siva Kumar Sastry Hari, Michael B. Sullivan, Oreste Villa, Stephen W. Keckler

Proceedings of the 51st Annual IEEE/IFIP International Conference on Dependable Systems and Networks, 2021

Simulation Driven Design and Test for Safety of AI Based Autonomous Vehicles.

Vasu Singh, Siva Kumar Sastry Hari, Timothy Tsai, Mandar Pitale

Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition Workshops, 2021

2020

Estimating Silent Data Corruption Rates Using a Two-Level Model.

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

CoRR, 2020

ML-driven Malware that Targets AV Safety.

Saurabh Jha, Shengkun Cui, Subho S. Banerjee, Timothy Tsai, Zbigniew Kalbarczyk, Ravishankar K. Iyer

CoRR, 2020

HarDNN: Feature Map Vulnerability Evaluation in CNNs.

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

CoRR, 2020

GPU-trident: efficient modeling of error propagation in GPU programs.

Abdul Rehman Anwer, Guanpeng Li, Karthik Pattabiraman, Michael B. Sullivan, Timothy Tsai, Siva Kumar Sastry Hari

Proceedings of the International Conference for High Performance Computing, 2020

AV-FUZZER: Finding Safety Violations in Autonomous Driving Systems.

Guanpeng Li, Yiran Li, Saurabh Jha, Timothy Tsai, Michael B. Sullivan, Siva Kumar Sastry Hari, Zbigniew Kalbarczyk, Ravishankar K. Iyer

Proceedings of the 31st IEEE International Symposium on Software Reliability Engineering, 2020

ML-Driven Malware that Targets AV Safety.

Saurabh Jha, Shengkun Cui, Subho S. Banerjee, James Cyriac, Timothy Tsai, Zbigniew Kalbarczyk, Ravishankar K. Iyer

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

2019

Kayotee: A Fault Injection-based System to Assess the Safety and Reliability of Autonomous Vehicles to Faults and Errors.

Saurabh Jha, Timothy Tsai, Siva Kumar Sastry Hari, Michael B. Sullivan, Zbigniew Kalbarczyk, Stephen W. Keckler, Ravishankar K. Iyer

CoRR, 2019

GPU snapshot: checkpoint offloading for GPU-dense systems.

Kyushick Lee, Michael B. Sullivan, Siva Kumar Sastry Hari, Timothy Tsai, Stephen W. Keckler, Mattan Erez

Proceedings of the ACM International Conference on Supercomputing, 2019

On the Trend of Resilience for GPU-Dense Systems.

Kyushick Lee, Michael B. Sullivan, Siva Kumar Sastry Hari, Timothy Tsai, Stephen W. Keckler, Mattan Erez

Proceedings of the 49th Annual IEEE/IFIP International Conference on Dependable Systems and Networks, 2019

ML-Based Fault Injection for Autonomous Vehicles: A Case for Bayesian Fault Injection.

Saurabh Jha, Subho S. Banerjee, Timothy Tsai, Siva Kumar Sastry Hari, Michael B. Sullivan, Zbigniew T. Kalbarczyk, Stephen W. Keckler, Ravishankar K. Iyer

Proceedings of the 49th Annual IEEE/IFIP International Conference on Dependable Systems and Networks, 2019

2018

Optimizing software-directed instruction replication for GPU error detection.

Abdulrahman Mahmoud, Siva Kumar Sastry Hari, Michael B. Sullivan, Timothy Tsai, Stephen W. Keckler

Proceedings of the International Conference for High Performance Computing, 2018

SwapCodes: Error Codes for Hardware-Software Cooperative GPU Pipeline Error Detection.

Michael B. Sullivan, Siva Kumar Sastry Hari, Brian Zimmer, Timothy Tsai, Stephen W. Keckler

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

Modeling Soft-Error Propagation in Programs.

Guanpeng Li, Karthik Pattabiraman, Siva Kumar Sastry Hari, Michael B. Sullivan, Timothy Tsai

Proceedings of the 48th Annual IEEE/IFIP International Conference on Dependable Systems and Networks, 2018

2017

Understanding error propagation in deep learning neural network (DNN) accelerators and applications.

Guanpeng Li, Siva Kumar Sastry Hari, Michael B. Sullivan, Timothy Tsai, Karthik Pattabiraman, Joel S. Emer, Stephen W. Keckler

Proceedings of the International Conference for High Performance Computing, 2017

SASSIFI: An architecture-level fault injection tool for GPU application resilience evaluation.

Siva Kumar Sastry Hari, Timothy Tsai, Mark Stephenson, Stephen W. Keckler, Joel S. Emer

Proceedings of the 2017 IEEE International Symposium on Performance Analysis of Systems and Software, 2017