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To reduce memory consumption during LLM inference, prior works have proposed numerous methods that focus on KV cache pruning based on various criteria. While these techniques often accomplish lossless memory reduction on many datasets, they…

Computation and Language · Computer Science 2026-01-07 Xuanfan Ni , Liyan Xu , Chenyang Lyu , Longyue Wang , Mo Yu , Lemao Liu , Fandong Meng , Jie Zhou , Piji Li

Large Language Models (LLMs), despite their remarkable performance across a wide range of tasks, necessitate substantial GPU memory and consume significant computational resources. Beyond the memory taken up by model weights, the memory…

Computation and Language · Computer Science 2024-06-24 Jincheng Dai , Zhuowei Huang , Haiyun Jiang , Chen Chen , Deng Cai , Wei Bi , Shuming Shi

Efficient key-value (KV) cache management is crucial for the practical deployment of large language models (LLMs), yet existing compression techniques often incur a trade-off between performance degradation and computational overhead. We…

Machine Learning · Computer Science 2026-02-10 Jang-Hyun Kim , Dongyoon Han , Sangdoo Yun

Transformer-based Large Language Models (LLMs) have made a significant impact on various domains. However, LLMs' efficiency suffers from both heavy computation and memory overheads. Compression techniques like sparsification and…

LLMs demonstrate strong performance on code benchmarks, yet consistent reasoning across forward and backward execution remains elusive. We present RoundTripCodeEval (RTCE), a benchmark of four code execution reasoning tasks that evaluates…

Machine Learning · Computer Science 2026-05-05 Nickil Maveli , Antonio Vergari , Shay B. Cohen

As LLMs scale to multi-million-token KV histories, real-time autoregressive decoding under tight Token-to-Token Latency (TTL) constraints faces growing pressure. Two core bottlenecks dominate: accessing Feed-Forward Network (FFN) weights…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-11 Nidhi Bhatia , Ankit More , Ritika Borkar , Tiyasa Mitra , Ramon Matas , Ritchie Zhao , Maximilian Golub , Dheevatsa Mudigere , Brian Pharris , Bita Darvish Rouhani

Inference-time scaling trades efficiency for increased reasoning accuracy by generating longer or more parallel sequences. However, in Transformer LLMs, generation cost is bottlenecked by the size of the key-value (KV) cache, rather than…

Machine Learning · Computer Science 2025-11-10 Adrian Łańcucki , Konrad Staniszewski , Piotr Nawrot , Edoardo M. Ponti

The continual increase of cores on server-grade CPUs raises demands on memory systems, which are constrained by limited off-chip pin and data transfer rate scalability. As a result, high-end processors typically feature lower memory…

Hardware Architecture · Computer Science 2025-11-18 Divya Kiran Kadiyala , Alexandros Daglis

In large language models performing long-form reasoning, the KV cache grows rapidly with decode length, creating bottlenecks in memory and inference stability. Existing reasoning-oriented KV compression has mostly followed an…

Artificial Intelligence · Computer Science 2026-04-14 Buseong Kim , Heejun Gwon

Phase change memory (PCM) has recently emerged as a promising technology to meet the fast growing demand for large capacity memory in computer systems, replacing DRAM that is impeded by physical limitations. Multi-level cell (MLC) PCM…

Hardware Architecture · Computer Science 2017-11-27 Seyed Mohammad Seyedzadeh , Alex K. Jones , Rami Melhem

Integrating large language models (LLMs) as priors in reinforcement learning (RL) offers significant advantages but comes with substantial computational costs. We present a principled cache-efficient framework for posterior sampling with…

Machine Learning · Computer Science 2025-09-30 Ibne Farabi Shihab , Sanjeda Akter , Anuj Sharma

Object-level management of tiered memory has been studied to address the inefficiencies in page-based systems. However, object-level management for CXL-tiered memory remains underexplored due to CXL's tight performance budget and load/store…

Operating Systems · Computer Science 2026-05-21 Sam Son , Zhihong Luo , Wen Zhang , Sylvia Ratnasamy , Scott Shenker

The growth of long-context Large Language Models (LLMs) significantly increases memory and bandwidth pressure during autoregressive decoding due to the expanding Key-Value (KV) cache. While accuracy-preserving KV-cache quantization (e.g.,…

Hardware Architecture · Computer Science 2026-01-06 Dayou Du , Shijie Cao , Jianyi Cheng , Luo Mai , Ting Cao , Mao Yang

Recent research has shown that pruning large-scale language models for inference is an effective approach to improving model efficiency, significantly reducing model weights with minimal impact on performance. Interestingly, pruning can…

Computation and Language · Computer Science 2025-02-19 Yiran Luo , Het Patel , Yu Fu , Dawon Ahn , Jia Chen , Yue Dong , Evangelos E. Papalexakis

Large language models rely on kv-caches to avoid redundant computation during autoregressive decoding, but as context length grows, reading and writing the cache can quickly saturate GPU memory bandwidth. Recent work has explored KV-cache…

Computation and Language · Computer Science 2026-02-10 Jian Chen , Zhuoran Wang , Jiayu Qin , Ming Li , Meng Wang , Changyou Chen , Yin Chen , Qizhen Weng , Yirui Liu

Key-Value (KV) cache has become a de facto component of modern Large Vision-Language Models (LVLMs) for inference. While it enhances decoding efficiency in Large Language Models (LLMs), its direct adoption in LVLMs introduces substantial…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Xihao Chen , Yangyang Guo , Roger Zimmermann

On heterogeneous memory (HM) where fast memory (i.e., CPU-attached DRAM) and slow memory (e.g., remote NUMA memory, RDMA-connected memory, Persistent Memory (PM)) coexist, optimizing the placement of tree-structure indexes (e.g., B+tree) is…

Operating Systems · Computer Science 2025-07-25 Haoru Zhao , Mingkai Dong , Fangnuo Wu , Haibo Chen

We introduce TRACE, a cross-domain engineering framework for trustworthy agentic AI in operationally critical domains. TRACE combines a four-layer reference architecture with an explicit classical-ML vs. LLM-validator split (L2a/L2b), a…

Computation and Language · Computer Science 2026-05-06 Serhii Zabolotnii

Memory bandwidth constraints continue to be a significant limiting factor in ray tracing performance, particularly as scene complexity grows and computational capabilities outpace memory access speeds. This paper presents a memory-efficient…

Graphics · Computer Science 2025-06-02 Moritz Grauer , Johannes Hanika , Carsten Dachsbacher

Large Language Models have revolutionized natural language processing, achieving unprecedented success across a vast range of tasks. However, their practical application in long-context scenarios is severely hampered by the formidable…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Enwei Tong , Yao Zhu , Yuanchao Bai , Kai Wang , Xianming Liu , Xiangyang Ji