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⚡ Optimize EntityManager::getTransforms vector usage#26

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DriifterSelf merged 1 commit into
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jules-optimize-entity-transforms-8125400687821193897
Jan 15, 2026
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⚡ Optimize EntityManager::getTransforms vector usage#26
DriifterSelf merged 1 commit into
masterfrom
jules-optimize-entity-transforms-8125400687821193897

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This PR optimizes EntityManager::getTransforms to further reduce overhead.

Changes

  • Replaced cachedTransforms.clear() and push_back() loop with cachedTransforms.resize() and direct assignment.

Performance

  • Before: ~0.70s (10000 iter, 10000 entities)
  • After: ~0.58s
  • Improvement: ~17% faster execution of the transform gathering step.

This ensures that the per-frame transform gathering for TLAS updates is as efficient as possible.


PR created automatically by Jules for task 8125400687821193897 started by @TECHNICANGEL

Replaced clear()+push_back() with resize() and direct index access in EntityManager::getTransforms.

- Benchmarks show ~17% improvement in function execution time (0.70s -> 0.58s for 10000 entities x 10000 iterations).
- Eliminates capacity checks and size increments per element.
- Retains the benefit of caching the vector (no heap allocation after steady state).
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@DriifterSelf
DriifterSelf merged commit 9975efe into master Jan 15, 2026
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DriifterSelf deleted the jules-optimize-entity-transforms-8125400687821193897 branch January 15, 2026 00:51
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