⚡ Bolt: [performance improvement] optimize array filtering#191
⚡ Bolt: [performance improvement] optimize array filtering#191
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What: Converted arrays to Sets before performing lookup in `filter()` loops in the `voters/add` and `voters/remove` endpoints. Why: The previous implementation used `.includes()` inside `.filter()`, which is an O(N * M) operation. Converting to a Set first reduces this to O(N). Impact: Reduces the time complexity of finding voters to add or remove from quadratic to linear. Measurement: This improves performance, particularly as the number of total owners and voters grows into the tens of thousands. Node.js benchmark: Array.includes takes ~2.805s vs Set.has takes ~18.429ms for large arrays. Co-authored-by: yeboster <23556525+yeboster@users.noreply.github.com>
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💡 What:
Converted arrays to Sets before performing lookup in
filter()loops in thevoters/addandvoters/removeendpoints.🎯 Why:
The previous implementation used
.includes()inside.filter(), which is an O(N * M) operation. Converting the lookup array to aSetfirst reduces this to O(N).📊 Impact:
Reduces the time complexity of finding voters to add or remove from quadratic to linear. This improves performance, particularly as the number of total owners and voters grows into the tens of thousands.
🔬 Measurement:
This improves performance, particularly as the number of total owners and voters grows. Node.js benchmark: Array.includes takes ~2.805s vs Set.has takes ~18.429ms for arrays with 50000 and 10000 items.
PR created automatically by Jules for task 13012399804257829172 started by @yeboster