activity
20072023
most citedSTT-SNN: A Spin-Transfer-Torque Based Soft-Limiting Non-Linear Neuron for Low-Power Artificial Neural Networks

75 citations · 206 across the 28 of their papers we have counts for

collaborators

30 papers

cs.AR2023★ 1 cited

Evaluation of STT-MRAM as a Scratchpad for Training in ML Accelerators

Sourjya Roy, Cheng Wang, Anand Raghunathan

Progress in artificial intelligence and machine learning over the past decade has been driven by the ability to train larger deep neural networks (DNNs), leading to a compute deman…

cs.LG2023★ 2 cited

X-Former: In-Memory Acceleration of Transformers

Shrihari Sridharan, Jacob R. Stevens, Kaushik Roy +1

Transformers have achieved great success in a wide variety of natural language processing (NLP) tasks due to the attention mechanism, which assigns an importance score for every wo…

cs.AR2022★ 7 cited

Approximate Computing and the Efficient Machine Learning Expedition

Jörg Henkel, Hai Li, Anand Raghunathan +4

Approximate computing (AxC) has been long accepted as a design alternative for efficient system implementation at the cost of relaxed accuracy requirements. Despite the AxC researc…

cs.ET2022★ 1 cited

A Co-design view of Compute in-Memory with Non-Volatile Elements for Neural Networks

Wilfried Haensch, Anand Raghunathan, Kaushik Roy +4

Deep Learning neural networks are pervasive, but traditional computer architectures are reaching the limits of being able to efficiently execute them for the large workloads of tod…

cs.ET2022★ 3 cited

Piezoelectric Strain FET (PeFET) based Non-Volatile Memories

Niharika Thakuria, Reena Elangovan, Anand Raghunathan +1

We propose non-volatile memory (NVM) designs based on Piezoelectric Strain FET (PeFET) utilizing a piezoelectric/ferroelectric (PE/FE such as PZT) coupled with 2D Transition Metal…

cs.ET2022

STeP-CiM: Strain-enabled Ternary Precision Computation-in-Memory based on Non-Volatile 2D Piezoelectric Transistors

Niharika Thakuria, Reena Elangovan, Sandeep K Thirumala +2

We propose 2D Piezoelectric FET (PeFET) based compute-enabled non-volatile memory for ternary deep neural networks (DNNs). PeFETs consist of a material with ferroelectric and piezo…

cs.LG2021

PIM-DRAM: Accelerating Machine Learning Workloads using Processing in Commodity DRAM

Sourjya Roy, Mustafa Ali, Anand Raghunathan

Deep Neural Networks (DNNs) have transformed the field of machine learning and are widely deployed in many applications involving image, video, speech and natural language processi…

cs.AR2021

GNNerator: A Hardware/Software Framework for Accelerating Graph Neural Networks

Jacob R. Stevens, Dipankar Das, Sasikanth Avancha +2

Graph Neural Networks (GNNs) use a fully-connected layer to extract features from the nodes of a graph and aggregate these features using message passing between nodes, combining t…

cs.AR2021

Softermax: Hardware/Software Co-Design of an Efficient Softmax for Transformers

Jacob R. Stevens, Rangharajan Venkatesan, Steve Dai +2

Transformers have transformed the field of natural language processing. This performance is largely attributed to the use of stacked self-attention layers, each of which consists o…

cs.CR2021★ 1 cited

HW/SW Framework for Improving the Safety of Implantable and Wearable Medical Devices

Malin Prematilake, Younghyun Kim, Vijay Raghunathan +2

Implantable and wearable medical devices (IWMDs) are widely used for the monitoring and therapy of an increasing range of medical conditions. Improvements in medical devices, enabl…

cs.LG2020★ 2 cited

Ax-BxP: Approximate Blocked Computation for Precision-Reconfigurable Deep Neural Network Acceleration

Reena Elangovan, Shubham Jain, Anand Raghunathan

Precision scaling has emerged as a popular technique to optimize the compute and storage requirements of Deep Neural Networks (DNNs). Efforts toward creating ultra-low-precision (s…

cs.CL2020

AxFormer: Accuracy-driven Approximation of Transformers for Faster, Smaller and more Accurate NLP Models

Amrit Nagarajan, Sanchari Sen, Jacob R. Stevens +1

Transformers have greatly advanced the state-of-the-art in Natural Language Processing (NLP) in recent years, but present very large computation and storage requirements. We observ…

cs.LG2020

Sparsity Turns Adversarial: Energy and Latency Attacks on Deep Neural Networks

Sarada Krithivasan, Sanchari Sen, Anand Raghunathan

Adversarial attacks have exposed serious vulnerabilities in Deep Neural Networks (DNNs) through their ability to force misclassifications through human-imperceptible perturbations…

cs.LG2020★ 13 cited

EMPIR: Ensembles of Mixed Precision Deep Networks for Increased Robustness against Adversarial Attacks

Sanchari Sen, Balaraman Ravindran, Anand Raghunathan

Ensuring robustness of Deep Neural Networks (DNNs) is crucial to their adoption in safety-critical applications such as self-driving cars, drones, and healthcare. Notably, DNNs are…

cs.LG2020

Pruning Filters while Training for Efficiently Optimizing Deep Learning Networks

Sourjya Roy, Priyadarshini Panda, Gopalakrishnan Srinivasan +1

Modern deep networks have millions to billions of parameters, which leads to high memory and energy requirements during training as well as during inference on resource-constrained…

cs.LG2020

TxSim:Modeling Training of Deep Neural Networks on Resistive Crossbar Systems

Sourjya Roy, Shrihari Sridharan, Shubham Jain +1

Resistive crossbars have attracted significant interest in the design of Deep Neural Network (DNN) accelerators due to their ability to natively execute massively parallel vector-m…

cs.LG2020★ 33 cited

Gradual Channel Pruning while Training using Feature Relevance Scores for Convolutional Neural Networks

Sai Aparna Aketi, Sourjya Roy, Anand Raghunathan +1

The enormous inference cost of deep neural networks can be scaled down by network compression. Pruning is one of the predominant approaches used for deep network compression. Howev…

cs.ET2019★ 11 cited

Valley-Coupled-Spintronic Non-Volatile Memories with Compute-In-Memory Support

Sandeep Thirumala, Yi-Tse Hung, Shubham Jain +6

In this work, we propose valley-coupled spin-hall memories (VSH-MRAMs) based on monolayer WSe2. The key features of the proposed memories are (a) the ability to switch magnets with…

cs.LG2019

TiM-DNN: Ternary in-Memory accelerator for Deep Neural Networks

Shubham Jain, Sumeet Kumar Gupta, Anand Raghunathan

The use of lower precision has emerged as a popular technique to optimize the compute and storage requirements of complex Deep Neural Networks (DNNs). In the quest for lower precis…

cs.CV2018★ 13 cited

Pack and Detect: Fast Object Detection in Videos Using Region-of-Interest Packing

Athindran Ramesh Kumar, Balaraman Ravindran, Anand Raghunathan

Object detection in videos is an important task in computer vision for various applications such as object tracking, video summarization and video search. Although great progress h…

cs.ET2018★ 4 cited

RxNN: A Framework for Evaluating Deep Neural Networks on Resistive Crossbars

Shubham Jain, Abhronil Sengupta, Kaushik Roy +1

Resistive crossbars designed with non-volatile memory devices have emerged as promising building blocks for Deep Neural Network (DNN) hardware, due to their ability to compactly an…

cs.DC2017★ 5 cited

SparCE: Sparsity aware General Purpose Core Extensions to Accelerate Deep Neural Networks

Sanchari Sen, Shubham Jain, Swagath Venkataramani +1

Deep Neural Networks (DNNs) have emerged as the method of choice for solving a wide range of machine learning tasks. The enormous computational demands posed by DNNs have most comm…

cs.NE2017★ 5 cited

DyVEDeep: Dynamic Variable Effort Deep Neural Networks

Sanjay Ganapathy, Swagath Venkataramani, Balaraman Ravindran +1

Deep Neural Networks (DNNs) have advanced the state-of-the-art in a variety of machine learning tasks and are deployed in increasing numbers of products and services. However, the…

cs.ET2017★ 6 cited

Computing in Memory with Spin-Transfer Torque Magnetic RAM

Shubham Jain, Ashish Ranjan, Kaushik Roy +1

In-memory computing is a promising approach to addressing the processor-memory data transfer bottleneck in computing systems. We propose Spin-Transfer Torque Compute-in-Memory (STT…