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Achievement: Pull SharkAchievement: Starstruck

Achievements

Achievement: Pull SharkAchievement: Starstruck

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Byte-Naut/README.md

Systems correctness, fault diagnosis, and runtime engineering.

I work on failures where language semantics, runtime lifetimes, and low-level implementation choices interact. My recent work includes a connected series of merged resource-lifecycle contributions to Wasmtime, upstream fixes in DuckDB and WasmEdge, a garbage-collection fix proposed to workerd, and CUDA kernel optimization on NVIDIA B200.

Current focus: WebAssembly runtimes, particularly ownership across host/guest boundaries, resource lifetimes, and concurrent execution.

Selected work

  • Wasmtime — resource ownership, borrowing, and concurrent destruction. Three merged PRs build on one another: a concurrent guest-resource drop API establishes the execution path and regression; synthetic-borrow conversion refines the shared cleanup model; an official embedding example carries those rules forward and reuses the earlier resource tests. #14362 → #14384 → #14434, merged September 22–29, 2026. Delivery record.
  • WasmEdge — SIMD memory lowering. Changed the LLVM representation behind a v128.store performance cliff, with trap checks and endian-path validation. PR #5329, merged September 14, 2026.
  • workerd — socket lifetime and garbage collection. Traced a pending-close retention cycle across native captures, streams, and AsyncLocalStorage; proposed a fix with direct-socket and RPC regression tests. PR #7258, open.
  • DuckDB — SQL correctness. Fixed BETWEEN NULL handling in expression execution and statistics rewrites, with regression coverage for representation-dependent results. PR #25394, merged September 10, 2026.
  • CUDA — Q/K per-head RMSNorm. Recorded B200 result: SOL Score 0.577614, Fast₁ 16/16. Public B200 leaderboard · Results.

Case studies and evidence include contribution boundaries, test records, and performance tradeoffs.

Collaboration

I work through written specifications, reproducible tests, and asynchronous review. For a scoped systems task, send the repository, observed behavior, and acceptance criteria.

Working together · [email protected] · [email protected]

Wasmtime series checked October 4, 2026; other upstream statuses recorded September 18, 2026. Benchmark values describe a recorded result, not a live ranking.

Pinned Loading

  1. systems-work systems-work Public

    Upstream fixes and case studies in runtime lifetimes, SQL correctness, LLVM lowering, and CUDA kernels.

    HTML

  2. wasm-static-data-sqlite-bench wasm-static-data-sqlite-bench Public

    Benchmarking large static data embedded in WebAssembly modules with SQLite on Wasmtime and WasmEdge.

    C

  3. mini-leveldb mini-leveldb Public

    An educational LSM-tree storage engine implemented from scratch in C++20.

    C++ 2

  4. hami-core-init-topology-study hami-core-init-topology-study Public

    Reproducible evidence for a cross-cache host-PID discovery race in concurrent HAMi-core initialization.

    Python