About horizon

I am a Japanese software developer with a passion for everything from low-level programming to software architecture. My main interests lie in Microkernel and Hypervisor.

Personal Information

• Name: Rekka "horizon" IGUMI (Japanese: 伊組烈火)
• Date of Birth: 2005-07-28
• Residence: Tokyo, Japan

Affiliations

• 2023-05 - 2023-11: Creator, MITOU Jr Program
• 2024-06 - Present: Member, Diver-X, Inc.
• 2024-06 - 2025-03: Creator, MITOU IT Program
• 2024-07 - Present: Member, MITOU Foundation
• 2025-04 - Present: Undergraduate Student, Faculty of Environment and Information Studies, Keio University
• 2025-04 - Present: Member, SFC-RG VIRT/Arch (Kusumoto/Takashio/Van Meter/Uehara/Mitsugi/Nakazawa/Okoshi Joint Research Group)
• 2025-12 - Present: Technical Staff, Continuum Computing Infrastructure Research Team, Intelligent Platform Research Institute (IPRI), National Institute of Advanced Industrial Science and Technology (AIST)

Certificate

• 2023-12: '23 MITOU Jr Super-Creator
  • A9N - A Microkernel Achieving Portability Using HAL
  • The presentation video is available here
  • Press Release
• 2025-05: '24 MITOU IT Super-Creator
  • Secure User-Level Memory Management System with a Capability-Based Microkernel
  • The presentation video is available here
  • Press Release

Presentations

• 2025-08-09: Boot Sequence in the A9N Microkernel, Kernel/VM探検隊@東京 No18
• 2026-01-10: A9N: 高速なIPC機構を備えるマイクロカーネルの開発 (en: A9N: Development of a Microkernel with a High-Speed IPC Mechanism), 67th Programming Symposium

Skills

• Domains
  • Microkernel
  • Hypervisor
  • Linker/Loader
  • Compiler
  • Software Architecture
  • Performance Optimization
  • Network (Layer 2-4)
• Programming Languages
  • C++
  • C
  • Rust
  • ASM (x86_64)
  • C#
  • Python
  • Haskell

Contacts

• Email: horizon@sfc.wide.ad.jp
• X: @horizon2k38
• Mastodon: @horizon2k38@mstdn.jp
• GitHub: @horizon2038
• LinkedIn: Rekka IGUMI
• Wantedly: @horizon2k38