About
$ whoami
- GitHub: maekawatoshiki (uint256_t)
- Twitter: uint256_t
- LinkedIn: Toshiki Maekawa
- Mastodon: uint256_t
- Misskey: @uint256_[email protected]
- Qiita: uint256_t
- Zenn.dev: uint256_t
- Software (Compiler & Runtime) Engineer in Tokyo
$ interests
I strongly love systems programming, especially making compilers.
$ projects
- (for Japanese) プログラミング言語処理系が好きな人の集まり − owner
- vicis − An experimental project to clone LLVM in pure Rust
- naglfar − A toy web browser implementation from scratch in Rust
- rapidus − JavaScript engine implementation in Rust
- sericum (renamed from cilk) − An experimental compiler infrastructure
- altius − A small runtime for deep neural networks, written in Rust
- Phalanx − A processor simulator for microarchitecture research (see publications)
… and more at GitHub
$ activities
- Security Camp 2018
- Google Summer of Code 2021
- Security Camp 2022 Instructor
- Preferred Networks Internship 2022, Blog
- Security Camp 2023 Tutor
$ publications
- 前川 隼輝 et al. 自動メモ化機構を備えたアウトオブオーダプロセッサの設計とそのサイクル精度シミュレータ開発. 情報処理学会 研究報告システム・アーキテクチャ（ARC）, 2024-ARC-257, No.31, pp.1–8, 2024.
- Awarded the IPSJ SIGARC Young Researcher Encouragement Award 2024.
- 前川 隼輝 et al. Entity Component System (ECS)ベースのプロセッサシミュレータにおけるキャッシュシミュレーション. 情報処理学会 研究報告システム・アーキテクチャ（ARC）, 2024-ARC-259, No.24, pp.1–9，2024.
- Awarded the IPSJ SIGARC Young Researcher Encouragement Award 2024.
- Awarded the IPSJ Yamashita SIG Research Award 2025.
- Toru Koizumi, Toshiki Maekawa, et al. RUNLTS: Register-value-aware predictor Utilizing Nested Large TableS. The 6th Championship Branch Prediction (in conjunction with ISCA 2025).
- We won 1st place!
- Toshiki Maekawa, Akihiko Odaki, Toru Koizumi, Tomoaki Tsumura, and Ryota Shioya. Phalanx: A Processor Simulator Based on the Entity Component System Architecture. The 3rd Workshop on Computer Architecture Modeling and Simulation (CAMS25) in conjunction with IEEE/ACM MICRO 2025, Seoul, Republic of Korea, October 18, 2025.
- Toru Koizumi, Toshiki Maekawa, Masanari Mizuno, Maru Kuroki, Tomoaki Tsumura, Ryota Shioya. RUNLTS: Branch Prediction with Register-Value Correlations and Hierarchical Table Orchestration. In Proceedings of the 2026 ACM/IEEE 53rd Annual International Symposium on Computer Architecture (ISCA ‘26), pp. 543–558, 2026.
$ wishlist
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