activity
20212024
most citedOliVe: Accelerating Large Language Models via Hardware-friendly Outlier-Victim Pair Quantization

150 citations · 178 across the 22 of their papers we have counts for

collaborators

22 papers

cs.DC2024

FlowWalker: A Memory-efficient and High-performance GPU-based Dynamic Graph Random Walk Framework

Junyi Mei, Shixuan Sun, Chao Li +9

Dynamic graph random walk (DGRW) emerges as a practical tool for capturing structural relations within a graph. Effectively executing DGRW on GPU presents certain challenges. First…

cs.DC2024

Towards Fast Setup and High Throughput of GPU Serverless Computing

Han Zhao, Weihao Cui, Quan Chen +6

Integrating GPUs into serverless computing platforms is crucial for improving efficiency. However, existing solutions for GPU-enabled serverless computing platforms face two signif…

cs.DC2024

Arena: Efficiently Training Large Models via Dynamic Scheduling and Adaptive Parallelism Co-Design

Chunyu Xue, Weihao Cui, Quan Chen +10

Efficiently training large-scale models (LMs) in GPU clusters involves two separate avenues: inter-job dynamic scheduling and intra-job adaptive parallelism (AP). However, existing…

cs.DC2024

Accelerating Sparse DNNs Based on Tiled GEMM

Cong Guo, Fengchen Xue, Jingwen Leng +5

Network pruning can reduce the computation cost of deep neural network (DNN) models. However, sparse models often produce randomly-distributed weights to maintain accuracy, leading…

cs.DC2024★ 1 cited

GMLake: Efficient and Transparent GPU Memory Defragmentation for Large-scale DNN Training with Virtual Memory Stitching

Cong Guo, Rui Zhang, Jiale Xu +8

Large-scale deep neural networks (DNNs), such as large language models (LLMs), have revolutionized the artificial intelligence (AI) field and become increasingly popular. However,…

cs.DC2023

JUNO: Optimizing High-Dimensional Approximate Nearest Neighbour Search with Sparsity-Aware Algorithm and Ray-Tracing Core Mapping

Zihan Liu, Wentao Ni, Jingwen Leng +6

Approximate nearest neighbor (ANN) search is a widely applied technique in modern intelligent applications, such as recommendation systems and vector databases. Therefore, efficien…

cs.OS2023

Adaptive CPU Resource Allocation for Emulator in Kernel-based Virtual Machine

Yecheng Yang, Pu Pang, Jiawen Wang +2

The technologies of heterogeneous multi-core architectures, co-location, and virtualization can be used to reduce server power consumption and improve system utilization, which are…

cs.LG2023

STAG: Enabling Low Latency and Low Staleness of GNN-based Services with Dynamic Graphs

Jiawen Wang, Quan Chen, Deze Zeng +3

Many emerging user-facing services adopt Graph Neural Networks (GNNs) to improve serving accuracy. When the graph used by a GNN model changes, representations (embedding) of nodes…

cs.AR2023★ 1 cited

Accelerating Generic Graph Neural Networks via Architecture, Compiler, Partition Method Co-Design

Shuwen Lu, Zhihui Zhang, Cong Guo +3

Graph neural networks (GNNs) have shown significant accuracy improvements in a variety of graph learning domains, sparking considerable research interest. To translate these accura…

cs.DC2023

MARS: Exploiting Multi-Level Parallelism for DNN Workloads on Adaptive Multi-Accelerator Systems

Guan Shen, Jieru Zhao, Zeke Wang +5

Along with the fast evolution of deep neural networks, the hardware system is also developing rapidly. As a promising solution achieving high scalability and low manufacturing cost…

cs.DC2023

DFlow: Efficient Dataflow-based Invocation Workflow Execution for Function-as-a-Service

Xiaoxiang Shi, Chao Li, Zijun Li +5

The Serverless Computing is becoming increasingly popular due to its ease of use and fine-grained billing. These features make it appealing for stateful application or serverless w…

cs.DC2023

AdaptGear: Accelerating GNN Training via Adaptive Subgraph-Level Kernels on GPUs

Yangjie Zhou, Yaoxu Song, Jingwen Leng +7

Graph neural networks (GNNs) are powerful tools for exploring and learning from graph structures and features. As such, achieving high-performance execution for GNNs becomes crucia…

cs.DC2023★ 1 cited

DataFlower: Exploiting the Data-flow Paradigm for Serverless Workflow Orchestration

Zijun Li, Chuhao Xu, Quan Chen +3

Serverless computing that runs functions with auto-scaling is a popular task execution pattern in the cloud-native era. By connecting serverless functions into workflows, tenants c…

cs.AR2023★ 150 cited

OliVe: Accelerating Large Language Models via Hardware-friendly Outlier-Victim Pair Quantization

Cong Guo, Jiaming Tang, Weiming Hu +6

Transformer-based large language models (LLMs) have achieved great success with the growing model size. LLMs' size grows by every two years, which outpaces the hardware…

cs.DB2023

Async-fork: Mitigating Query Latency Spikes Incurred by the Fork-based Snapshot Mechanism from the OS Level

Pu Pang, Gang Deng, Kaihao Bai +12

In-memory key-value stores (IMKVSes) serve many online applications because of their efficiency. To support data backup, popular industrial IMKVSes periodically take a point-in-tim…

cs.LG2022

Nesting Forward Automatic Differentiation for Memory-Efficient Deep Neural Network Training

Cong Guo, Yuxian Qiu, Jingwen Leng +6

An activation function is an element-wise mathematical function and plays a crucial role in deep neural networks (DNN). Many novel and sophisticated activation functions have been…

cs.LG2022★ 3 cited

ANT: Exploiting Adaptive Numerical Data Type for Low-bit Deep Neural Network Quantization

Cong Guo, Chen Zhang, Jingwen Leng +5

Quantization is a technique to reduce the computation and memory cost of DNN models, which are getting increasingly large. Existing quantization solutions use fixed-point integer o…

cs.LG2022★ 2 cited

Efficient Adaptive Activation Rounding for Post-Training Quantization

Zhengyi Li, Cong Guo, Zhanda Zhu +5

Post-training quantization attracts increasing attention due to its convenience in deploying quantized neural networks. Although rounding-to-nearest remains the prevailing method f…

cs.AR2022★ 1 cited

SALO: An Efficient Spatial Accelerator Enabling Hybrid Sparse Attention Mechanisms for Long Sequences

Guan Shen, Jieru Zhao, Quan Chen +3

The attention mechanisms of transformers effectively extract pertinent information from the input sequence. However, the quadratic complexity of self-attention w.r.t the sequence l…

cs.CL2022

Transkimmer: Transformer Learns to Layer-wise Skim

Yue Guan, Zhengyi Li, Jingwen Leng +2

Transformer architecture has become the de-facto model for many machine learning tasks from natural language processing and computer vision. As such, improving its computational ef…

cs.LG2022★ 19 cited

SQuant: On-the-Fly Data-Free Quantization via Diagonal Hessian Approximation

Cong Guo, Yuxian Qiu, Jingwen Leng +6

Quantization of deep neural networks (DNN) has been proven effective for compressing and accelerating DNN models. Data-free quantization (DFQ) is a promising approach without the o…

cs.CL2021

Block-Skim: Efficient Question Answering for Transformer

Yue Guan, Zhengyi Li, Jingwen Leng +3

Transformer models have achieved promising results on natural language processing (NLP) tasks including extractive question answering (QA). Common Transformer encoders used in NLP…