activity
20202025
most citedScissorhands: Exploiting the Persistence of Importance Hypothesis for LLM KV Cache Compression at Test Time

11 citations · 33 across the 21 of their papers we have counts for

collaborators

21 papers

cs.LG2025

To Compress or Not? Pushing the Frontier of Lossless GenAI Model Weights Compression with Exponent Concentration

Zeyu Yang, Tianyi Zhang, Jianwen Xie +3

The scaling of Generative AI (GenAI) models into the hundreds of billions of parameters makes low-precision computation indispensable for efficient deployment. We argue that the fu…

cs.LG2024

Sketch to Adapt: Fine-Tunable Sketches for Efficient LLM Adaptation

Tianyi Zhang, Junda Su, Aditya Desai +3

Adapting pre-trained large language models (LLMs) is crucial but challenging due to their enormous size. Parameter-efficient fine-tuning (PEFT) techniques typically employ additive…

cs.CL2024

Sirius: Contextual Sparsity with Correction for Efficient LLMs

Yang Zhou, Zhuoming Chen, Zhaozhuo Xu +2

With the blossom of large language models (LLMs), inference efficiency becomes increasingly important. Various approximation methods are proposed to reduce the cost at inference ti…

cs.LG2024★ 1 cited

KV Cache is 1 Bit Per Channel: Efficient Large Language Model Inference with Coupled Quantization

Tianyi Zhang, Jonah Yi, Zhaozhuo Xu +1

Efficient deployment of Large Language Models (LLMs) requires batching multiple requests together to improve throughput. As the batch size, context length, or model size increases,…

cs.LG2024

NoMAD-Attention: Efficient LLM Inference on CPUs Through Multiply-add-free Attention

Tianyi Zhang, Jonah Wonkyu Yi, Bowen Yao +2

Large language model inference on Central Processing Units (CPU) is challenging due to the vast quantities of expensive Multiply-Add (MAD) matrix operations in the attention comput…

cs.LG2023

Empowering Distributed Training with Sparsity-driven Data Synchronization

Zhuang Wang, Zhaozhuo Xu, Jingyi Xi +3

Distributed training is the de facto standard to scale up the training of deep learning models with multiple GPUs. Its performance bottleneck lies in communications for gradient sy…

cs.LG2023★ 11 cited

Scissorhands: Exploiting the Persistence of Importance Hypothesis for LLM KV Cache Compression at Test Time

Zichang Liu, Aditya Desai, Fangshuo Liao +5

Large language models(LLMs) have sparked a new wave of exciting AI applications. Hosting these models at scale requires significant memory resources. One crucial memory bottleneck…

cs.LG2023★ 2 cited

Winner-Take-All Column Row Sampling for Memory Efficient Adaptation of Language Model

Zirui Liu, Guanchu Wang, Shaochen Zhong +8

With the rapid growth in model size, fine-tuning the large pre-trained language model has become increasingly difficult due to its extensive memory usage. Previous works usually fo…

cs.CL2023★ 5 cited

Compress, Then Prompt: Improving Accuracy-Efficiency Trade-off of LLM Inference with Transferable Prompt

Zhaozhuo Xu, Zirui Liu, Beidi Chen +5

While the numerous parameters in Large Language Models (LLMs) contribute to their superior performance, this massive scale makes them inefficient and memory-hungry. Thus, they are…

cs.LG2023★ 1 cited

A Theoretical Analysis Of Nearest Neighbor Search On Approximate Near Neighbor Graph

Anshumali Shrivastava, Zhao Song, Zhaozhuo Xu

Graph-based algorithms have demonstrated state-of-the-art performance in the nearest neighbor search (NN-Search) problem. These empirical successes urge the need for theoretical re…

cs.DS2022

Adaptive and Dynamic Multi-Resolution Hashing for Pairwise Summations

Lianke Qin, Aravind Reddy, Zhao Song +2

In this paper, we propose Adam-Hash: an adaptive and dynamic multi-resolution hashing data-structure for fast pairwise summation estimation. Given a data-set $X \subset \mathbb{R}^…

cs.LG2022

Dynamic Maintenance of Kernel Density Estimation Data Structure: From Practice to Theory

Jiehao Liang, Zhao Song, Zhaozhuo Xu +2

Kernel density estimation (KDE) stands out as a challenging task in machine learning. The problem is defined in the following way: given a kernel function and a set of poi…

cs.DS2022

Sublinear Time Algorithm for Online Weighted Bipartite Matching

Hang Hu, Zhao Song, Runzhou Tao +3

Online bipartite matching is a fundamental problem in online algorithms. The goal is to match two sets of vertices to maximize the sum of the edge weights, where for one set of ver…

cs.DS2022

Accelerating Frank-Wolfe Algorithm using Low-Dimensional and Adaptive Data Structures

Zhao Song, Zhaozhuo Xu, Yuanyuan Yang +1

In this paper, we study the problem of speeding up a type of optimization algorithms called Frank-Wolfe, a conditional gradient method. We develop and employ two novel inner produc…

cs.DS2022★ 1 cited

Speeding Up Sparsification using Inner Product Search Data Structures

Zhao Song, Zhaozhuo Xu, Lichen Zhang

We present a general framework that utilizes different efficient data structures to improve various sparsification problems involving an iterative process. We also provide insights…

cs.LG2021★ 3 cited

Breaking the Linear Iteration Cost Barrier for Some Well-known Conditional Gradient Methods Using MaxIP Data-structures

Anshumali Shrivastava, Zhao Song, Zhaozhuo Xu

Conditional gradient methods (CGM) are widely used in modern machine learning. CGM's overall running time usually consists of two parts: the number of iterations and the cost of ea…

cs.CY2021

Satellite Images and Deep Learning to Identify Discrepancy in Mailing Addresses with Applications to Census 2020 in Houston

Zhaozhuo Xu, Alan Baonan Ji, Andrew Woods +2

The accuracy and completeness of population estimation would significantly impact the allocation of public resources. However, the current census paradigm experiences a non-negligi…

cs.LG2021★ 1 cited

PairConnect: A Compute-Efficient MLP Alternative to Attention

Zhaozhuo Xu, Minghao Yan, Junyan Zhang +1

Transformer models have demonstrated superior performance in natural language processing. The dot product self-attention in Transformer allows us to model interactions between word…

cs.DS2021★ 5 cited

Sublinear Least-Squares Value Iteration via Locality Sensitive Hashing

Anshumali Shrivastava, Zhao Song, Zhaozhuo Xu

We present the first provable Least-Squares Value Iteration (LSVI) algorithms that have runtime complexity sublinear in the number of actions. We formulate the value function estim…

cs.LG2021

Beyond Convolutions: A Novel Deep Learning Approach for Raw Seismic Data Ingestion

Zhaozhuo Xu, Aditya Desai, Menal Gupta +3

Traditional seismic processing workflows (SPW) are expensive, requiring over a year of human and computational effort. Deep learning (DL) based data-driven seismic workflows (DSPW)…

cs.IR2020★ 3 cited

Climbing the WOL: Training for Cheaper Inference

Zichang Liu, Zhaozhuo Xu, Alan Ji +3

Efficient inference for wide output layers (WOLs) is an essential yet challenging task in large scale machine learning. Most approaches reduce this problem to approximate maximum i…