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Removed chained `.map()` and `.slice()` array operations during candidate ticker deduplication in the backtest runner. By replacing them with a bounded `for` loop and an early exit condition, we reduce unnecessary intermediate heap allocations and garbage collection overhead in this hot execution path. Co-authored-by: toreleon <42534763+toreleon@users.noreply.github.com>
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Closed in favor of #173. |
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💡 What: Replaced the
.map(), array spread,new Set(),Array.from(), and.slice()chain insrc/agent/backtestRunner.tswith a boundedforloop that checks against aSetand pushes to a result array with an early-exit condition.🎯 Why: In the hot path of the backtesting engine, creating large intermediate arrays just to extract a bounded, unique list of strings creates unnecessary heap allocations and garbage collection pressure, slowing down the backtests.
📊 Impact: Reduces memory allocations and GC pauses during intensive backtesting by avoiding intermediate array creations for ticker string arrays.
🔬 Measurement: Verified that all backtest-related tests in
tests/team.test.tsand UI test streams pass without regressions.PR created automatically by Jules for task 15982594506218672614 started by @toreleon