activity
20202023
most citedEfficient All-reduce for Distributed DNN Training in Optical Interconnect System

11 citations · 21 across the 10 of their papers we have counts for

collaborators

10 papers

cs.DS2023

Simpler Analyses of Union-Find

Zhiyi Huang, Chris Lambert, Zipei Nie +1

We analyze union-find using potential functions motivated by continuous algorithms, and give alternate proofs of the , , , and $O(α(n))…

cs.DS2023

Laminar Matroid Secretary: Greedy Strikes Back

Zhiyi Huang, Zahra Parsaeian, Zixuan Zhu

We show that a simple greedy algorithm is probability-competitive for the Laminar Matroid Secretary Problem, improving the -competitive algorithm ba…

cs.DS2022★ 2 cited

Tight Conditional Lower Bounds for Vertex Connectivity Problems

Zhiyi Huang, Yaowei Long, Thatchaphol Saranurak +1

We study the fine-grained complexity of graph connectivity problems in unweighted undirected graphs. Recent development shows that all variants of edge connectivity problems, inclu…

cs.DC2022

OpTree: An Efficient Algorithm for All-gather Operation in Optical Interconnect Systems

Fei Dai, Yawen Chen, Zhiyi Huang +1

All-gather collective communication is one of the most important communication primitives in parallel and distributed computation, which plays an essential role in many HPC applica…

cs.DC2022★ 11 cited

Efficient All-reduce for Distributed DNN Training in Optical Interconnect System

Fei Dai, Yawen Chen, Zhiyi Huang +2

Communication efficiency plays an important role in accelerating the distributed training of Deep Neural Networks (DNN). All-reduce is the crucial communication primitive to reduce…

cs.RO2022★ 3 cited

CoDe: A Cooperative and Decentralized Collision Avoidance Algorithm for Small-Scale UAV Swarms Considering Energy Efficiency

Shuangyao Huang, Haibo Zhang, Zhiyi Huang

This paper introduces a cooperative and decentralized collision avoidance algorithm (CoDe) for small-scale UAV swarms consisting of up to three UAVs. CoDe improves energy efficienc…

cs.LG2021

Distance and Hop-wise Structures Encoding Enhanced Graph Attention Networks

Zhiguo Huang, Xiaowei Chen, Bojuan Wang

Numerous works have proven that existing neighbor-averaging Graph Neural Networks cannot efficiently catch structure features, and many works show that injecting structure, distanc…

cs.DC2021★ 4 cited

Accelerating Fully Connected Neural Network on Optical Network-on-Chip (ONoC)

Fei Dai, Yawen Chen, Haibo Zhang +1

Fully Connected Neural Network (FCNN) is a class of Artificial Neural Networks widely used in computer science and engineering, whereas the training process can take a long time wi…

cs.RO2021

: Energy Efficient and Cooperative Obstacle Detection and Avoidance for UAV Swarms

Shuangyao Huang, Haibo Zhang, Zhiyi Huang

Energy efficiency is of critical importance to trajectory planning for UAV swarms in obstacle avoidance. In this paper, we present , a new scheme designed to avoid collisi…

cs.DC2020★ 1 cited

Towards QoS-Aware and Resource-Efficient GPU Microservices Based on Spatial Multitasking GPUs In Datacenters

Wei Zhang, Quan Chen, Kaihua Fu +6

While prior researches focus on CPU-based microservices, they are not applicable for GPU-based microservices due to the different contention patterns. It is challenging to optimize…