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摘要

HPCG (High-Performance Conjugate Gradient) 是如今主要的 HPC 系统性能测试基准之一,是一个精简的大型稀疏方程组并行求解器,包含了区域分解(Domain Decomposition)、多重网格(Multigrid)和预条件子(Preconditioner)这些重要的线性方程组求解技术。我在学完 MATH 6644 这门课以及自己动手写了 3D Multigrid 以后,我便一直想看看 HPCG 是如何实现的(虽然我还没学过 DD)。下面的记录是我阅读 HPCG 3.0 官方参考实现的源代码的笔记,源代码参见 GitHub .

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中文版(Chinese Version)

Education

Research Interests

High Performance Network: Topology, Routing, Congestion Control, Infiniband, RoCE, Collective Algorithm, DPU

Publications

Guangnan Feng, Dezun Dong, and Yutong Lu. 2022. Optimized MPI Collective Algorithms for Dragonfly Topology. In 2022 International Conference on Supercomputing (ICS ‘22), June 28–30, 2022, Virtual Event, USA. ACM, New York, NY, USA, 11 pages. https://doi.org/10.1145/3524059.3532380

Honors and Awards

  • ISC19, 4th Place (team captain) @ Frankfurt, Germany, 2019.06
  • ASC19, Highest HPL, e-Prize, Group Competition Champion, 3rd Place (student advisor) @ Dalian, China, 2019.04
  • Yuerou Li Foundation Scholarship (top prize scholarship in SYSU) @ 2018.12
  • First Prize Student Scholarship in SYSU @ 2018.10
  • CPC18, 4th Place (team member) @ Wuxi, China, 2018.10
  • ASC18, 6th Place (team captain) @ Nanchang, China, 2018.05
  • Third Prize Student Scholarship in SYSU × 2 @ 2017.10, 2016.10
  • Outstanding Student Leader in SYSU × 2 @ 2017.12, 2016.12

Abbreviation

ISC: ISC Student Cluster Competition

ASC: Asia Supercomputer Community - Student Supercomputer Challenge

CPC: China Parallel Application Challenge on Domestic CPU

SYSU: Sun Yat-sen University

Research Experience

  • The Analysis of RoCE for HPC application, 2018.09-2019.09
  • The Analysis of RDMA in container, 2019.09-2020.01
  • Routing optimization for Tianhe-2, 2020.02-2020.10
  • Fault analysis for Tianhe-2 2020.11-2021.02
  • Investigation and analysis of DPU for HPC application 2021.03-2021.05
  • Optimized MPI Collective Algorithms for Dragonfly Topology 2021.07-now

Skills

Contact Me

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English Version

教育经历

  • 2019.09-2024.06(预计) 中山大学 计算机学院 博士研究生(直博生)

  • 2015.09-2019.06 中山大学 数据科学与计算机学院 计算机科学与技术(超算方向) 学士学位

    • 平均绩点:3.7/4.0 排名:4/22

研究领域

高性能网络:拓扑、路由、拥塞控制、InfiniBand、RoCE、聚合通信算法、容器、DPU、在网计算

已录用论文

Guangnan Feng, Dezun Dong, and Yutong Lu. 2022. Optimized MPI Collective Algorithms for Dragonfly Topology. In 2022 International Conference on Supercomputing (ICS ‘22), June 28–30, 2022, Virtual Event, USA. ACM, New York, NY, USA, 11 pages. https://doi.org/10.1145/3524059.3532380

坏消息是只有一次投稿经历,好消息是第一次投竟然就中了

获奖经历

研究经历

  • RoCE协议在HPC中的应用分析 2018.09-2019.09
  • RDMA在容器中的应用分析 2019.09-2020.01
  • 天河二号路由优化 2020.02-2020.10
  • 天河二号网络故障分析 2020.11-2021.02
  • DPU在HPC上应用的调研与分析 2021.03-2021.05
  • 面向Dragonfly拓扑优化的MPI聚合通信算法 2021.07-至今

志愿者经历

  • 中山大学数据科学与计算机学院第三届学生会主席 @2017.06-2018.06
  • 广西防城港三下乡 @2017.08
  • 中山大学数据科学与计算机学院第二届学生会副主席 @2016.06-2017.06
  • 广东省湛江市安铺镇安铺中学支教 数学老师兼任副班主任 @2016.07-2016.08

专业技能

  • ROSS模拟器(一款乐观的并行离散事件模拟器)
  • CODES模拟器(一款基于ROSS的网络模拟器)
  • C, Python
  • OpenMP, MPI
  • Linux

兴趣爱好

NAS、路由器、HTPC、VPS、装机、服务器维修、自建各种服务

看动漫、打游戏

联系方式

ad at mail dot sysu dot tech