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Andrew Hunter

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  1. Jane Street56 min

    Performance Engineering on Hard Mode with Andrew Hunter

    Andrew Hunter, Ron Minsky

    This analysis contrasts the performance engineering strategies of hyperscalers, which prioritize broad infrastructure optimization for massive scale, against Jane Street's focus on deterministic latency reduction for specialized trading systems. The discussion details measurement trade-offs between statistical sampling and hardware tracing, while examining how OCaml engineers overcome memory locality gaps through zero-allocation dialects and low-overhead C interop. Ultimately, the presentation advocates for developing mechanical sympathy and accelerating OODA loops to shift optimization discipline from micro-tuning to systemic architectural design.