Hasty Briefsbeta

What the interns have wrought, 2025

12 days ago
  • #software-development
  • #performance-optimization
  • #internship
  • Intern projects at Jane Street included optimizing neural net sequence models, adding build priorities to build systems, and creating automated tests for trading systems.
  • Leo Gagnon developed a more efficient evaluator for JSQL, Jane Street's internal SQL dialect, leveraging indexing for performance improvements.
  • Aryan Khatri improved OCaml torch bindings by introducing reference counting for tensor memory management, enhancing GPU memory usage.
  • Anthony Li created a library for managing memory across processes using ref-counting, eliminating the need for serialization in shared memory communication.
  • The projects showcased innovative solutions to technical challenges, with significant performance improvements and new capabilities for Jane Street's systems.