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While Large Language Models (LLMs) demonstrate immense potential for automating integrated circuit (IC) development, their practical deployment is fundamentally limited by restricted context windows. Existing context-extension methods…

Artificial Intelligence · Computer Science 2025-12-08 Changwen Xing , SamZaak Wong , Xinlai Wan , Yanfeng Lu , Mengli Zhang , Zebin Ma , Lei Qi , Zhengxiong Li , Nan Guan , Zhe Jiang , Xi Wang , Jun Yang

To address increasing compute demand from recent multi-model workloads with heavy models like large language models, we propose to deploy heterogeneous chiplet-based multi-chip module (MCM)-based accelerators. We develop an advanced…

Hardware Architecture · Computer Science 2023-12-18 Mohanad Odema , Hyoukjun Kwon , Mohammad Abdullah Al Faruque

Transformers are the driving force behind today's Large Language Models (LLMs), serving as the foundation for their performance and versatility. Yet, their compute and memory costs grow with sequence length, posing scalability challenges…

The demand for efficient machine learning (ML) accelerators is growing rapidly, driving the development of novel computing concepts such as resistive random access memory (RRAM)-based tiled computing-in-memory (CIM) architectures. CIM…

Hardware Architecture · Computer Science 2024-01-18 Rebecca Pelke , Jose Cubero-Cascante , Nils Bosbach , Felix Staudigl , Rainer Leupers , Jan Moritz Joseph

The growing prevalence of data-intensive workloads, such as artificial intelligence (AI), machine learning (ML), high-performance computing (HPC), in-memory databases, and real-time analytics, has exposed limitations in conventional memory…

Large Language Models (LLMs) have gained popularity in recent years, driving up the demand for inference. LLM inference is composed of two phases with distinct characteristics: a compute-bound prefill phase followed by a memory-bound decode…

Hardware Architecture · Computer Science 2025-10-10 Hengrui Zhang , Pratyush Patel , August Ning , David Wentzlaff

Engram conditional memory has emerged as a promising component for LLMs by decoupling static knowledge lookup from dynamic computation. Since Engram exhibits sparse access patterns and supports prefetching, its massive embedding tables are…

Hardware Architecture · Computer Science 2026-03-12 Ruiyang Ma , Teng Ma , Zhiyuan Su , Hantian Zha , Xinpeng Zhao , Xuchun Shang , Xingrui Yi , Zheng Liu , Zhu Cao , An Wu , Zhichong Dou , Ziqian Liu , Daikang Kuang , Guojie Luo

Poor DRAM technology scaling over the course of many years has caused DRAM-based main memory to increasingly become a larger system bottleneck. A major reason for the bottleneck is that data stored within DRAM must be moved across a…

Hardware Architecture · Computer Science 2018-02-02 Saugata Ghose , Kevin Hsieh , Amirali Boroumand , Rachata Ausavarungnirun , Onur Mutlu

A lot of recent progress has been made in ultra low-bit quantization, promising significant improvements in latency, memory footprint and energy consumption on edge devices. Quantization methods such as Learned Step Size Quantization can…

Compute eXpress Link (CXL) has emerged as a key enabler of memory disaggregation for future heterogeneous computing systems to expand memory on-demand and improve resource utilization. However, CXL is still in its infancy stage and lacks…

Emerging Technologies · Computer Science 2026-01-13 Yanjing Wang , Lizhou Wu , Wentao Hong , Yang Ou , Zicong Wang , Sunfeng Gao , Jie Zhang , Sheng Ma , Dezun Dong , Xingyun Qi , Mingche Lai , Nong Xiao

Deploying large language models (LLMs) for online inference is often constrained by limited GPU memory, particularly due to the growing KV cache during auto-regressive decoding. Hybrid GPU-CPU execution has emerged as a promising solution…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-16 Jiakun Fan , Yanglin Zhang , Xiangchen Li , Dimitrios S. Nikolopoulos

In long-context large language model (LLM) inference, the prefill stage dominates computation due to self-attention over the complete input context. Sparse attention significantly reduces self-attention computation by limiting each token's…

Hardware Architecture · Computer Science 2026-02-25 Rakshith Jayanth , Viktor Prasanna

To alleviate the memory bandwidth bottleneck in Large Language Model (LLM) inference workloads, weight matrices are stored in memory in quantized and sparsified formats. Hence, before tiles of these matrices can be processed by in-core…

Hardware Architecture · Computer Science 2025-08-11 Gerasimos Gerogiannis , Stijn Eyerman , Evangelos Georganas , Wim Heirman , Josep Torrellas

Recent advancements in speculative decoding have demonstrated considerable speedup across a wide array of large language model (LLM) tasks. Speculative decoding inherently relies on sacrificing extra memory allocations to generate several…

Machine Learning · Computer Science 2025-06-04 Selin Yildirim , Deming Chen

Decoder-only Transformer models such as GPT have demonstrated exceptional performance in text generation, by autoregressively predicting the next token. However, the efficacy of running GPT on current hardware systems is bounded by low…

Hardware Architecture · Computer Science 2024-04-16 Yuting Wu , Ziyu Wang , Wei D. Lu

Large Language Models (LLMs) are constrained by their inability to process lengthy inputs, resulting in the loss of critical historical information. To address this limitation, in this paper, we propose the Self-Controlled Memory (SCM)…

Computation and Language · Computer Science 2025-03-19 Bing Wang , Xinnian Liang , Jian Yang , Hui Huang , Shuangzhi Wu , Peihao Wu , Lu Lu , Zejun Ma , Zhoujun Li

The emergence of Phase-Change Memory (PCM) provides opportunities for directly connecting persistent memory to main memory bus. While PCM achieves high read throughput and low standby power, the critical concerns are its poor write…

Hardware Architecture · Computer Science 2020-07-28 Yinjin Fu

Existing large language models (LLMs) can only afford fix-sized inputs due to the input length limit, preventing them from utilizing rich long-context information from past inputs. To address this, we propose a framework, Language Models…

Computation and Language · Computer Science 2023-06-13 Weizhi Wang , Li Dong , Hao Cheng , Xiaodong Liu , Xifeng Yan , Jianfeng Gao , Furu Wei

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
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