Achieving software-equivalent accuracy for hyperdimensional computing with ferroelectric-based in-memory computing

A Kazemi, F Müller, MM Sharifi, H Errahmouni… - Scientific reports, 2022 - nature.com
Hyperdimensional computing (HDC) is a brain-inspired computational framework that relies
on long hypervectors (HVs) for learning. In HDC, computational operations consist of simple …

Recent progress of hafnium oxide-based ferroelectric devices for advanced circuit applications

Z Zhang, G Tian, J Huo, F Zhang, Q Zhang… - Science China …, 2023 - Springer
Hafnium oxide-based ferroelectric field-effect-transistors (FeFET), which combine super-
steep logical switching and low power non-volatile memory functions, have significant …

A scalable design of multi-bit ferroelectric content addressable memory for data-centric computing

C Li, F Müller, T Ali, R Olivo, M Imani… - 2020 IEEE …, 2020 - ieeexplore.ieee.org
Content addressable memory (CAM) is widely used for data-centric computing for its
massive parallelism and pattern matching capability. Though the CAM density has been …

In-memory associative processors: Tutorial, potential, and challenges

ME Fouda, HE Yantır, AM Eltawil… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
In-memory computing is an emerging computing paradigm that overcomes the limitations of
exiting Von-Neumann computing architectures such as the memory-wall bottleneck. In such …

A reconfigurable fefet content addressable memory for multi-state hamming distance

L Liu, AF Laguna, R Rajaei, MM Sharifi… - … on Circuits and …, 2023 - ieeexplore.ieee.org
Pattern searches, a key operation in many data analytic applications, often deal with data
represented by multiple states per dimension. However, hash tables, a common software …

Fefet multi-bit content-addressable memories for in-memory nearest neighbor search

A Kazemi, MM Sharifi, AF Laguna… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Nearest neighbor (NN) search computations are at the core of many applications such as
few-shot learning, classification, and hyperdimensional computing. As such, efficient …

An Ultracompact Single‐Ferroelectric Field‐Effect Transistor Binary and Multibit Associative Search Engine

X Yin, F Müller, Q Huang, C Li, M Imani… - Advanced Intelligent …, 2023 - Wiley Online Library
Content addressable memory (CAM) is widely used in associative search tasks due to its
parallel pattern matching capability. As more complex and data‐intensive tasks emerge, it is …

Relhd: A graph-based learning on fefet with hyperdimensional computing

J Kang, M Zhou, A Bhansali, W Xu… - 2022 IEEE 40th …, 2022 - ieeexplore.ieee.org
Advances in graph neural network (GNN)-based algorithms enable machine learning on
relational data. GNNs are computationally demanding since they rely upon backpropagation …

Cosime: Fefet based associative memory for in-memory cosine similarity search

CK Liu, H Chen, M Imani, K Ni, A Kazemi… - Proceedings of the 41st …, 2022 - dl.acm.org
In a number of machine learning models, an input query is searched across the trained class
vectors to find the closest feature class vector in cosine similarity metric. However …

Hdgim: Hyperdimensional genome sequence matching on unreliable highly scaled fefet

HE Barkam, S Yun, PR Genssler, Z Zou… - … , Automation & Test …, 2023 - ieeexplore.ieee.org
This is the first work to present a reliable application for highly scaled (down to merely 3nm),
multi-bit Ferroelectric FET (FeFET) technology. FeFET is one of the up-and-coming …