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US-6.1.3: SIMD vectorization for pair forces #82

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US-6.1.3: SIMD vectorization for pair forces#82
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epic:performanceEpic 6.1: Performancephase:6Phase 6: Ecosystem (v2.5+)priority:P2Nice-to-have — can be deferred
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Phase 6: Ecosystem (v2.5+)
@Peariforme

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@Peariforme
Peariforme
opened on Mar 4, 2026

User Story

As a developer, I want SIMD vectorization for pair-wise forces.

Acceptance Criteria

  • SoA (Structure of Arrays) layout for positions
  • std::simd or packed_simd intrinsics
  • Benchmark: 2-4x gain on LJ forces

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    epic:performanceEpic 6.1: Performancephase:6Phase 6: Ecosystem (v2.5+)priority:P2Nice-to-have — can be deferred

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