Search Results for author: Ravishankar K. Iyer

Found 10 papers, 1 papers with code

Watch Out for the Safety-Threatening Actors: Proactively Mitigating Safety Hazards

no code implementations2 Jun 2022 Saurabh Jha, Shengkun Cui, Zbigniew Kalbarczyk, Ravishankar K. Iyer

In this work, we propose a safety threat indicator (STI) using counterfactual reasoning to estimate the importance of each actor on the road with respect to its influence on the AV's safety.

counterfactual Counterfactual Reasoning +1

Watch out for the risky actors: Assessing risk in dynamic environments for safe driving

no code implementations19 Oct 2021 Saurabh Jha, Yan Miao, Zbigniew Kalbarczyk, Ravishankar K. Iyer

Driving in a dynamic environment that consists of other actors is inherently a risky task as each actor influences the driving decision and may significantly limit the number of choices in terms of navigation and safety plan.

BayesPerf: Minimizing Performance Monitoring Errors Using Bayesian Statistics

no code implementations22 Feb 2021 Subho S. Banerjee, Saurabh Jha, Zbigniew T. Kalbarczyk, Ravishankar K. Iyer

Hardware performance counters (HPCs) that measure low-level architectural and microarchitectural events provide dynamic contextual information about the state of the system.

Decision Making Scheduling

Inductive-bias-driven Reinforcement Learning For Efficient Schedules in Heterogeneous Clusters

no code implementations4 Sep 2019 Subho S. Banerjee, Saurabh Jha, Zbigniew T. Kalbarczyk, Ravishankar K. Iyer

The problem of scheduling of workloads onto heterogeneous processors (e. g., CPUs, GPUs, FPGAs) is of fundamental importance in modern data centers.

Inductive Bias reinforcement-learning +2

Live Forensics for Distributed Storage Systems

no code implementations24 Jul 2019 Saurabh Jha, Shengkun Cui, Tianyin Xu, Jeremy Enos, Mike Showerman, Mark Dalton, Zbigniew T. Kalbarczyk, William T. Kramer, Ravishankar K. Iyer

We present Kaleidoscope an innovative system that supports live forensics for application performance problems caused by either individual component failures or resource contention issues in large-scale distributed storage systems.

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