• GitHub: @jmaczan
• HackTheBox: @7563687575 (inactive, had lots of fun some time ago)

• Day job: Applying LLMs to things
• Night job: PyTorch compiler
  • 20x memory reduction and 37% speedup in memory partitioning solver (dp knapsack with hirschberg and sliding window)
  • 20% CPU and 15% CUDA speedup of func.hessian for scalar functions
  • Enable computing Hessian matrices of larger functions by chunking in torch.func.hessian via jacrev

• [Incoming] Self-contained handwritten digit recognizer, Paged Out!, Issue #7, page ?, 2025 GitHub
• A primer on Differentiable Architecture Search, Paged Out!, Issue #6, page 5, 2025 GitHub
• GPT in PyTorch, Paged Out!, Issue #5, page 6, 2024 GitHub
• Building automated machine learning with type inference, Paged Out!, Issue #4, page 4, 2024 GitHub

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