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Encoder-based transformers, powered by self-attention layers, have revolutionized machine learning with their context-aware representations. However, their quadratic growth in computational and memory demands presents significant…

Machine Learning · Computer Science 2024-11-25 Donghyeon Yi , Seoyoung Lee , Jongho Kim , Junyoung Kim , Sohmyung Ha , Ik Joon Chang , Minkyu Je

The second-order training methods can converge much faster than first-order optimizers in DNN training. This is because the second-order training utilizes the inversion of the second-order information (SOI) matrix to find a more accurate…

Hardware Architecture · Computer Science 2022-10-28 Yilong Zhao , Li Jiang , Mingyu Gao , Naifeng Jing , Chengyang Gu , Qidong Tang , Fangxin Liu , Tao Yang , Xiaoyao Liang

This paper presents a programmable in-memory-computing processor, demonstrated in a 65nm CMOS technology. For data-centric workloads, such as deep neural networks, data movement often dominates when implemented with today's computing…

Hardware Architecture · Computer Science 2020-09-17 Hongyang Jia , Yinqi Tang , Hossein Valavi , Jintao Zhang , Naveen Verma

Emerging machine learning (ML) models (e.g., transformers) involve memory pin bandwidth-bound matrix-vector (MV) computation in inference. By avoiding pin crossings, processing in memory (PIM) can improve performance and energy for…

Hardware Architecture · Computer Science 2024-04-09 Mingxuan He , Mithuna Thottethodi , T. N. Vijaykumar

Diffusion Transformer (DiT) has driven significant progress in image generation tasks. However, DiT inferencing is notoriously compute-intensive and incurs long latency even on datacenter-scale GPUs, primarily due to its iterative nature…

Hardware Architecture · Computer Science 2025-04-14 Daeun Kim , Jinwoo Hwang , Changhun Oh , Jongse Park

The rapid advancement of Large Language Models (LLMs) has revolutionized various aspects of human life, yet their immense computational and energy demands pose significant challenges for efficient inference. The memory wall, the growing…

Hardware Architecture · Computer Science 2025-09-18 Hongyi Li , Songchen Ma , Huanyu Qu , Weihao Zhang , Jia Chen , Junfeng Lin , Fengbin Tu , Rong Zhao

Recent advancements in large language models (LLMs) boasting billions of parameters have generated a significant demand for efficient deployment in inference workloads. The majority of existing approaches rely on temporal architectures that…

Machine Learning · Computer Science 2024-04-09 Hongzheng Chen , Jiahao Zhang , Yixiao Du , Shaojie Xiang , Zichao Yue , Niansong Zhang , Yaohui Cai , Zhiru Zhang

Large language models (LLMs) have recently transformed natural language processing, enabling machines to generate human-like text and engage in meaningful conversations. This development necessitates speed, efficiency, and accessibility in…

Hardware Architecture · Computer Science 2024-06-13 Christopher Wolters , Xiaoxuan Yang , Ulf Schlichtmann , Toyotaro Suzumura

Large language models (LLMs) have been widely applied but face challenges in efficient inference. While quantization methods reduce computational demands, ultra-low bit quantization with arbitrary precision is hindered by limited GPU Tensor…

Machine Learning · Computer Science 2025-03-14 Shaobo Ma , Chao Fang , Haikuo Shao , Zhongfeng Wang

LLM inference on mobile devices faces extraneous challenges due to limited memory bandwidth and computational resources. To address these issues, speculative inference and processing-in-memory (PIM) techniques have been explored at the…

Hardware Architecture · Computer Science 2025-09-03 Siyuan He , Zhantong Zhu , Yandong He , Tianyu Jia

High-performance Host processors can integrate Processing-In-Memory (PIM) devices, which can accelerate memory-intensive kernels of Machine Learning (ML) models, including Large Language Models (LLMs), by leveraging the large memory…

Processing-using-memory (PuM) techniques leverage the analog operation of memory cells to perform computation. Several recent works have demonstrated PuM techniques in off-the-shelf DRAM devices. Since DRAM is the dominant memory technology…

Hardware Architecture · Computer Science 2023-09-06 Ataberk Olgun , Juan Gómez Luna , Konstantinos Kanellopoulos , Behzad Salami , Hasan Hassan , Oğuz Ergin , Onur Mutlu

This work introduces MICSim, an open-source, pre-circuit simulator designed for early-stage evaluation of chip-level software performance and hardware overhead of mixed-signal compute-in-memory (CIM) accelerators. MICSim features a modular…

Artificial Intelligence · Computer Science 2024-12-18 Cong Wang , Zeming Chen , Shanshi Huang

Matrix multiplication is the dominant computation during Machine Learning (ML) inference. To efficiently perform such multiplication operations, Compute-in-memory (CiM) paradigms have emerged as a highly energy efficient solution. However,…

Hardware Architecture · Computer Science 2025-03-03 Tanvi Sharma , Mustafa Ali , Indranil Chakraborty , Kaushik Roy

Particle-in-Cell (PIC) simulations spend most of their execution time on particle--grid interactions, where fine-grained atomic updates become a major bottleneck on traditional many-core CPUs. Recent CPU architectures integrate specialized…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-14 Yizhuo Rao , Xingjian Cui , Jiabin Xie , Shangzhi Pang , Guangnan Feng , Jinhui Wei , Zhiguang Chen , Yutong Lu

The utilization of large-scale neural networks on Processing-In-Memory (PIM) accelerators encounters challenges due to constrained on-chip memory capacity. To tackle this issue, current works explore model compression algorithms to reduce…

Hardware Architecture · Computer Science 2024-04-18 Chenyu Wang , Zhen Dong , Daquan Zhou , Zhenhua Zhu , Yu Wang , Jiashi Feng , Kurt Keutzer

Large language models (LLMs) face significant inference latency due to inefficiencies in GEMM operations, weight access, and KV cache access, especially in real-time scenarios. This highlights the need for a versatile compute-memory…

Hardware Architecture · Computer Science 2025-09-15 Huizheng Wang , Zichuan Wang , Zhiheng Yue , Yousheng Long , Taiquan Wei , Jianxun Yang , Yang Wang , Chao Li , Shaojun Wei , Yang Hu , Shouyi Yin

Compute-in-memory (CIM) accelerators for spiking neural networks (SNNs) are promising solutions to enable $\mu$s-level inference latency and ultra-low energy in edge vision applications. Yet, their current lack of flexibility at both the…

Hardware Architecture · Computer Science 2024-10-31 Nicolas Chauvaux , Adrian Kneip , Christoph Posch , Kofi Makinwa , Charlotte Frenkel

High performance large scale graph analytics are essential to timely analyze relationships in big data sets. Conventional processor architectures suffer from inefficient resource usage and bad scaling on those workloads. To enable efficient…

In-memory computing promises to overcome the von Neumann bottleneck in computer systems by performing computations directly within the memory. Previous research has suggested using Spin-Transfer Torque RAM (STT-RAM) for in-memory computing…

Computers and Society · Computer Science 2024-07-30 Dhruv Gajaria , Kevin Antony Gomez , Tosiron Adegbija