Portrait
Houxiang Ji
Memory System Research Group, SK hynix America
Computer Architecture and Systems Researcher
About Me

I am currently with the Memory System Research Group at SK hynix America. My research interests include computer architecture, memory systems, Compute Express Link (CXL), near-memory acceleration, heterogeneous computing, and systems for machine learning. In 2026, I was inducted into the MICRO Hall of Fame.

I received my Ph.D. in computer science from the Siebel School of Computing and Data Science at the University of Illinois Urbana-Champaign (UIUC), advised by Prof. Nam Sung Kim. I was affiliated with the FAST research group and Coordinated Science Lab.

Before joining UIUC, I received my bachelor's degree in Computer Science and Engineering and Finance from Shanghai Jiao Tong University (SJTU). I have worked as a visiting researcher at Meta and as a research intern at Luminous Computing and Intel Labs.

Curriculum Vitae (updated Nov 2026)
Education
  • University of Illinois Urbana-Champaign
    University of Illinois Urbana-Champaign
    Siebel School of Computing and Data Science
    Ph.D. in Computer Science
    2025
  • University of Illinois Urbana-Champaign
    University of Illinois Urbana-Champaign
    Siebel School of Computing and Data Science
    M.S. in Computer Science
    2021
  • Shanghai Jiao Tong University
    Shanghai Jiao Tong University
    B.S. in Computer Science and Engineering and Finance
    2018
Experience
  • SK hynix America
    SK hynix America
    Memory System Research Group
    Aug. 2025 - Present
  • Meta
    Meta
    Visiting Researcher, Capacity Engineering and Analysis
    Jul. 2022 - Dec. 2022
  • Luminous Computing
    Luminous Computing
    Research Intern, CPU Design
    May 2021 - Aug. 2021
  • Intel Labs
    Intel Labs
    Research Intern, Security and Privacy Research
    May 2020 - Aug. 2020
News
2026
[DAC'27 PC] Serving on the DAC 2027 technical program committee.
Nov 06
[HPCA'27] Two papers accepted to HPCA 2027 on CXL-based data delivery and on-chip analytics acceleration for filtered proximity graph search.
Nov 02
[DATE'27 PC] Serving on the DATE 2027 technical program committee.
Sep 21
[MICRO HoF] Honored to be inducted into the MICRO Hall of Fame this year. I am deeply grateful to my advisor and collaborators for their guidance, support, and partnership.
Sep 14
[HPCA'27 PC] Serving on the HPCA 2027 program committee.
Jul 15
[MICRO'26] Three papers accepted to MICRO 2026 on processing-using-DRAM for AI workloads, CXL AnySSD, and an on-chip accelerator for approximate nearest neighbor search (ANNS).
Jul 08
[OSDI'26] One paper accepted to OSDI 2026 on CXL DRAM metadata acceleration.
Jul 01
2025
[MICRO'25] One paper accepted to MICRO 2025 on CXL-based end-host networking.
Jul 16
[ATC'25] One paper accepted to USENIX ATC 2025 on parallel memory deduplication with Intel DSA.
Apr 25
Selected Publications (view all )
[MICRO'26] CXL AnySSD: A Composable CXL SSD Using a CXL Type-2 Device and Any SSDs

Yang Zhou*, Houxiang Ji*, Bikrant Sharma, Jiyuan Zhang, Yu Li, Linjie Ma, Jaeyong Lee, Myoungjun Chun, Jihong Kim, Sudarsun Kannan, Nam Sung Kim (* equal contribution)

59th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2026 *equal contribution Artifacts Evaluated - Functional Results Reproduced

[MICRO'26] CXL AnySSD: A Composable CXL SSD Using a CXL Type-2 Device and Any SSDs

Yang Zhou*, Houxiang Ji*, Bikrant Sharma, Jiyuan Zhang, Yu Li, Linjie Ma, Jaeyong Lee, Myoungjun Chun, Jihong Kim, Sudarsun Kannan, Nam Sung Kim (* equal contribution)

59th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2026 *equal contribution Artifacts Evaluated - Functional Results Reproduced

[MICRO'26] C3: Collaborative CPU-Commodity DRAM Computation for Reliable LLM Acceleration

Houxiang Ji*, E. Ezgi Yücel*, Yaochen Li, Prajwal Ramakrishna, Derrick Quinn, Jungmin Choi, Hoshik Kim, Mohammad Alian, José F. Martínez (* equal contribution)

59th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2026 *equal contribution

[MICRO'26] C3: Collaborative CPU-Commodity DRAM Computation for Reliable LLM Acceleration

Houxiang Ji*, E. Ezgi Yücel*, Yaochen Li, Prajwal Ramakrishna, Derrick Quinn, Jungmin Choi, Hoshik Kim, Mohammad Alian, José F. Martínez (* equal contribution)

59th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2026 *equal contribution

[ATC'25] Para-ksm: Parallelized Memory Deduplication with Data Streaming Accelerator

Houxiang Ji, Minho Kim, Seonmu Oh, Daehoon Kim, Nam Sung Kim

USENIX Annual Technical Conference (ATC) 2025 Artifacts Available Artifacts Evaluated - Functional Results Reproduced

[Paper]

[ATC'25] Para-ksm: Parallelized Memory Deduplication with Data Streaming Accelerator

Houxiang Ji, Minho Kim, Seonmu Oh, Daehoon Kim, Nam Sung Kim

USENIX Annual Technical Conference (ATC) 2025 Artifacts Available Artifacts Evaluated - Functional Results Reproduced

[Paper]

[MICRO'25] Re-architecting End-host Networking with CXL: Coherence, Memory, and Offloading

Houxiang Ji, Yifan Yuan, Yang Zhou, Ipoom Jeong, Ren Wang, Saksham Agarwal, Nam Sung Kim

58th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2025 Artifacts Evaluated - Functional Results Reproduced

[Paper]

[MICRO'25] Re-architecting End-host Networking with CXL: Coherence, Memory, and Offloading

Houxiang Ji, Yifan Yuan, Yang Zhou, Ipoom Jeong, Ren Wang, Saksham Agarwal, Nam Sung Kim

58th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2025 Artifacts Evaluated - Functional Results Reproduced

[Paper]

[MICRO'24] Demystifying a CXL Type-2 Device: A Heterogeneous Cooperative Computing Perspective

Houxiang Ji, Srikar Vanavasam, Yang Zhou, Qirong Xia, Jinghan Huang, Yifan Yuan, Ren Wang, Pekon Gupta, Bhushan Chitlur, Ipoom Jeong, Nam Sung Kim

57th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2024 Artifacts Evaluated - Functional Results Reproduced

[Paper]

[MICRO'24] Demystifying a CXL Type-2 Device: A Heterogeneous Cooperative Computing Perspective

Houxiang Ji, Srikar Vanavasam, Yang Zhou, Qirong Xia, Jinghan Huang, Yifan Yuan, Ren Wang, Pekon Gupta, Bhushan Chitlur, Ipoom Jeong, Nam Sung Kim

57th IEEE/ACM International Symposium on Microarchitecture (MICRO) 2024 Artifacts Evaluated - Functional Results Reproduced

[Paper]

[ATC'23] STYX: Exploiting SmartNIC Capability to Reduce Datacenter Memory Tax

Houxiang Ji, Yan Sun, Mark Mansi, Yifan Yuan, Jinghan Huang, Reese Kuper, Michael M Swift, Nam Sung Kim

USENIX Annual Technical Conference (ATC) 2023

[Paper] [PDF]

[ATC'23] STYX: Exploiting SmartNIC Capability to Reduce Datacenter Memory Tax

Houxiang Ji, Yan Sun, Mark Mansi, Yifan Yuan, Jinghan Huang, Reese Kuper, Michael M Swift, Nam Sung Kim

USENIX Annual Technical Conference (ATC) 2023

[Paper] [PDF]

All publications