⚡ Bolt: 성능 개선 (Schwartzian transform을 이용한 Date.parse 최적화) - #598
⚡ Bolt: 성능 개선 (Schwartzian transform을 이용한 Date.parse 최적화)#598seonghobae wants to merge 3 commits into
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Date.parse() 파싱 비용을 줄이기 위해 Schwartzian transform (map-sort-map) 적용.
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Date.parse() 파싱 비용을 줄이기 위해 Schwartzian transform (map-sort-map) 적용.
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💡 What
Array.prototype.sort()내에서Date.parse()를 직접 호출하던 것을 Schwartzian transform (map-sort-map) 패턴으로 변경하여 타임스탬프 파싱 결과를 캐싱했습니다.🎯 Why
정렬의 비교 함수 내에서
Date.parse()를 실행하면 O(N log N)번의 문자열 파싱이 발생하여 성능 저하의 원인이 될 수 있습니다.📊 Evidence review
이 변경에는 실제 Argos timeline buyer path의 protected-vs-candidate benchmark, representative/right-cleared workload, warm-up·반복, median/p95, main-thread/CPU, allocation/GC profile이 남아 있지 않았습니다. 기능 테스트 통과와
Date.parse()호출 횟수 감소만으로 렌더링 지연 개선이나 5–8배 속도 향상을 상용 성능 근거로 인정하지 않습니다.따라서 production 변경과 branch-local Bolt claim을 protected
developmental@2fa92012bcf80acc1f921a4bafea76b3b1424b46authority로 ordinary descendante8910b46f81eca37429e743cb76ec7528735d839에서 복구했습니다. Fresh compare는 ahead 3 / behind 0 / files=[]입니다. 보존할 source/test/fixture/contract/benchmark delta가 0이므로 no-valid-delta 예외로 이 PR을 닫습니다.재진입하려면 동일 브라우저/runtime/CPU에서 실제 session-timeline workload를 대상으로 protected comparator와 candidate를 함께 측정하고, warm-up·반복 횟수, event-count 분포, median/p95, main-thread/CPU, allocation/GC, chart output equivalence를 저장해야 합니다. p95 buyer path 목표와의 관계도 함께 제시해야 합니다.
PR created automatically by Jules for task 3454209458070107971 started by @seonghobae