Search Results for author: Christopher W. Fletcher

Found 5 papers, 2 papers with code

Lord of the Ring(s): Side Channel Attacks on the CPU On-Chip Ring Interconnect Are Practical

2 code implementations5 Mar 2021 Riccardo Paccagnella, Licheng Luo, Christopher W. Fletcher

We introduce the first microarchitectural side channel attacks that leverage contention on the CPU ring interconnect.

Cryptography and Security Hardware Architecture

Mind Mappings: Enabling Efficient Algorithm-Accelerator Mapping Space Search

1 code implementation2 Mar 2021 Kartik Hegde, Po-An Tsai, Sitao Huang, Vikas Chandra, Angshuman Parashar, Christopher W. Fletcher

The key idea is to derive a smooth, differentiable approximation to the otherwise non-smooth, non-convex search space.

HarDNN: Feature Map Vulnerability Evaluation in CNNs

no code implementations22 Feb 2020 Abdulrahman Mahmoud, Siva Kumar Sastry Hari, Christopher W. Fletcher, Sarita V. Adve, Charbel Sakr, Naresh Shanbhag, Pavlo Molchanov, Michael B. Sullivan, Timothy Tsai, Stephen W. Keckler

As Convolutional Neural Networks (CNNs) are increasingly being employed in safety-critical applications, it is important that they behave reliably in the face of hardware errors.

Decision Making

UCNN: Exploiting Computational Reuse in Deep Neural Networks via Weight Repetition

no code implementations18 Apr 2018 Kartik Hegde, Jiyong Yu, Rohit Agrawal, Mengjia Yan, Michael Pellauer, Christopher W. Fletcher

This paper studies how weight repetition ---when the same weight occurs multiple times in or across weight vectors--- can be exploited to save energy and improve performance during CNN inference.

Scene Generation

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