Unity DOTS / ECS (Entity Component System) Data-Oriented Memory Architecture: Fundamental Mechanics and Deep Mathematical Modeling

Jake Baker · 2026-10-26T21:22:14+00:00

I've been deep in Unity DOTS performance tuning and hitting real walls with cache locality on large-scale simulations. When I restructure my systems into SoA to maximize cache line utilization, the throughput jumps are huge, but the theoretical model underneath is still fuzzy to me. Can someone explain how the burst compiler's SIMD vectorization actually interacts with the 64-byte cache lines? Specifically, when

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October 26, 2026 at 9:22 pm #127338

Jake Baker
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I’ve been deep in Unity DOTS performance tuning and hitting real walls with cache locality on large-scale simulations. When I restructure my systems into SoA to maximize cache line utilization, the throughput jumps are huge, but the theoretical model underneath is still fuzzy to me. Can someone explain how the burst compiler’s SIMD vectorization actually interacts with the 64-byte cache lines? Specifically, when

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Unity DOTS / ECS (Entity Component System) Data-Oriented Memory Architecture: Fundamental Mechanics and Deep Mathematical Modeling

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