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Task 09: build exact compact causal cones (3.82x) - #14

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Task 09: build exact compact causal cones (3.82x)#14
QingyunQian wants to merge 3 commits into
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QingyunQian:codex/task-09-final-expert-optimization

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@QingyunQian

@QingyunQian QingyunQian commented Jul 29, 2026

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Take-home insight

Prune the tensor network to the exact causal cone of each requested observable before contraction; this removes tensors that provably cannot affect the result.

Measured result

Comparison Runtime Speedup
Public expert 33.503727 s 1.000x
Optimized 8.766516 s 3.821725x

The README contains the concise factor table and one result figure.

Reviewer-facing files

  • optimized_solutions/challenge-09/README.md
  • optimized_solutions/challenge-09/solution_9_causal_cone.py
  • optimized_solutions/challenge-09/factor-ablation.svg

Full profiles and research chronology remain in hmyuuu/OrbitBreakersExpertBenchmarks.

@QingyunQian QingyunQian changed the title Task 09: publish TC-native compact causal-cone optimization (3.82x local) Task 09: build exact compact causal cones (3.82x) Jul 30, 2026
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This is a known approach but not that tc way. at the middle of raw simulator and tc style

@QingyunQian
QingyunQian changed the base branch from main to v2 August 3, 2026 06:07
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