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⚡ Bolt: 타입 검사 패스트 패스를 통한 핫 루프 내 불필요한 형변환 오버헤드 제거#281

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⚡ Bolt: 타입 검사 패스트 패스를 통한 핫 루프 내 불필요한 형변환 오버헤드 제거#281
seonghobae wants to merge 1 commit into
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bolt/fast-path-type-coercion-5103812551046077528

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@seonghobae

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What (구현 내용)

  • src/newsdom_api/dom_builder.py 내의 _coerce_bbox_coordinate_coerce_page_number 함수에 타입 체크 패스트 패스(Fast path)를 추가했습니다.
  • 입력값이 이미 int 이거나 float인 경우 불필요하게 try-except 블록 내에서 float()int() 형변환 함수를 호출하지 않도록 개선했습니다.

Why (해결하는 문제)

  • 대량의 블록 데이터를 파싱할 때 (MAX_CONTENT_BLOCKS 등), 대부분의 데이터가 이미 올바른 타입(int, float)을 가지고 있습니다.
  • Python에서는 값의 타입이 이미 일치함에도 int()float()로 래핑하여 호출하거나 예외 처리를 준비하는 과정에서 많은 오버헤드(객체 할당, GC 등)가 발생합니다.
  • 이에 따라 핫 루프(Hot loop) 상의 불필요한 연산을 제거하기 위함입니다.

Impact (성능/영향)

  • 반복적인 좌표 변환 및 페이지 번호 검증 과정에서 성능이 크게 향상되었습니다.
  • 프로파일링 결과(벤치마크 테스트), 대부분이 정수/실수형인 데이터를 대상으로 페이지 번호 강제 변환(_coerce_page_number)에서 ~50%, 바운딩 박스 변환(_coerce_bbox_coordinate)에서 ~27% 의 실행 속도 향상을 확인했습니다.
  • 기능의 변경은 없으며, OverflowError나 부적절한 값에 대한 기존의 폴백(None 반환) 로직은 그대로 완벽하게 유지됩니다.

Measurement (측정/검증 방법)

  • 단위 테스트(uv run pytest) 통과를 확인하여 기존 기능에 미치는 영향을 검증했습니다.
  • 핫 루프 벤치마크 스크립트를 작성하여 개선 전/후의 성능을 반복 측정 및 수치화하여 검증했습니다.

PR created automatically by Jules for task 5103812551046077528 started by @seonghobae

Added type check fast paths (`type(value) is int` and `type(value) is float`) inside hot bounding box and page number coercion functions to avoid redundant object instantiation and exception handling overhead in standard cases.

Resolves performance degradation identified during bulk data parsing.
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opencode-agent Bot commented Jul 4, 2026

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OpenCode Review Overview

  • Head SHA: c7d0cf013ba912c01198b284dff75f7632236cb3
  • Workflow run: 28721176663
  • Workflow attempt: 1
  • Gate result: APPROVE (approval step)

Pull request overview

OpenCode reviewed the current-head bounded evidence and found no blocking issues.

Findings

No blocking findings.

Summary

Approval sufficiency: bounded evidence supplied affirmative approval evidence for changed files, coverage/docstring posture, risk surfaces, and current-head verification; approval is not based merely on the absence of known blockers.
Verification posture: CodeGraph evidence was initialized and bounded current-head evidence reviewed for changed-file evidence including .jules/bolt.md, src/newsdom_api/dom_builder.py.
Linter/static: workflow/static review evidence is bounded by the current-head GitHub Checks gate and changed-file evidence.
TDD/regression: coverage execution evidence and focused changed hunks were reviewed from bounded-review-evidence.md.
Coverage: coverage execution evidence reports supported repository test suites passed.
Docstring coverage: coverage execution evidence reports configured repository docstring gates passed or docstring coverage was advisory.
DAG: CodeGraph/source-backed behavior map connects .jules/bolt.md to the affected review, runtime, or workflow path and required checks.
PoC/execution: coverage-evidence job executed on the current head and reported PASS.
DDD/domain: workflow and repository-governance invariants were reviewed against changed files in bounded evidence.
CDD/context: CodeGraph evidence, changed-file history, and focused hunks were reviewed from bounded-review-evidence.md.
Similar issues: changed-file history evidence was reviewed for comparable local precedents.
Claim/concept check: bounded evidence, repository source, current-head workflow evidence, and, where numeric, scientific, statistical, or literature-backed claims are affected, original-paper/formula evidence and parameter-recovery expectations were used for claims.
Standards search: standards and external-source checks are delegated to configured OpenCode web_search/Context7/DeepWiki sources when applicable; no evidence-backed standards blocker is present in bounded evidence.
Compatibility/convention: changed workflow/script conventions, object naming, and reserved-word safety for schema/API/config/code surfaces were checked in bounded evidence.
Breaking-change/backcompat: deployment evidence and changed-file history were checked for backward-compatibility risk.
Performance: changed surfaces were checked for performance risk in bounded evidence.
Developer experience: changed automation, review, test, setup, and maintenance surfaces were checked for helpful or obstructive DX impact in bounded evidence.
User experience: connected user, operator, API, CLI, documentation, review-comment, status-check, rendering, and workflow-reader behavior was checked for contradictions against code, docs, and tests in bounded evidence.
Visual/DOM: Playwright visual, DOM locator, ARIA snapshot, console, and responsive evidence were checked when a web UI surface was present; for non-web surfaces, API/CLI/log/docs/workflow interaction evidence was reviewed instead.
Accessibility/i18n: accessibility, localization, and human-readable text surfaces were checked where UI, CLI, API message, docs, logs, or review text changed.
Supply-chain/license: dependency, package, model, container, and external-tool changes were checked in bounded evidence.
Packaging: package, build, test, lint, and security contracts were checked in bounded evidence.
Security/privacy: workflow-token, review-gate, and repository-automation security/privacy boundaries were checked in bounded evidence.

  • Result: APPROVE
  • Reason: Safe hot-path optimization with full test coverage
  • Head SHA: c7d0cf013ba912c01198b284dff75f7632236cb3
  • Workflow run: 28721176663
  • Workflow attempt: 1

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (2 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (2 files)"]
  R1 --> V1["required checks"]
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Pull request overview

OpenCode reviewed the current-head bounded evidence and found no blocking issues.

Findings

No blocking findings.

Summary

Approval sufficiency: bounded evidence supplied affirmative approval evidence for changed files, coverage/docstring posture, risk surfaces, and current-head verification; approval is not based merely on the absence of known blockers.
Verification posture: CodeGraph evidence was initialized and bounded current-head evidence reviewed for changed-file evidence including .jules/bolt.md, src/newsdom_api/dom_builder.py.
Linter/static: workflow/static review evidence is bounded by the current-head GitHub Checks gate and changed-file evidence.
TDD/regression: coverage execution evidence and focused changed hunks were reviewed from bounded-review-evidence.md.
Coverage: coverage execution evidence reports supported repository test suites passed.
Docstring coverage: coverage execution evidence reports configured repository docstring gates passed or docstring coverage was advisory.
DAG: CodeGraph/source-backed behavior map connects .jules/bolt.md to the affected review, runtime, or workflow path and required checks.
PoC/execution: coverage-evidence job executed on the current head and reported PASS.
DDD/domain: workflow and repository-governance invariants were reviewed against changed files in bounded evidence.
CDD/context: CodeGraph evidence, changed-file history, and focused hunks were reviewed from bounded-review-evidence.md.
Similar issues: changed-file history evidence was reviewed for comparable local precedents.
Claim/concept check: bounded evidence, repository source, current-head workflow evidence, and, where numeric, scientific, statistical, or literature-backed claims are affected, original-paper/formula evidence and parameter-recovery expectations were used for claims.
Standards search: standards and external-source checks are delegated to configured OpenCode web_search/Context7/DeepWiki sources when applicable; no evidence-backed standards blocker is present in bounded evidence.
Compatibility/convention: changed workflow/script conventions, object naming, and reserved-word safety for schema/API/config/code surfaces were checked in bounded evidence.
Breaking-change/backcompat: deployment evidence and changed-file history were checked for backward-compatibility risk.
Performance: changed surfaces were checked for performance risk in bounded evidence.
Developer experience: changed automation, review, test, setup, and maintenance surfaces were checked for helpful or obstructive DX impact in bounded evidence.
User experience: connected user, operator, API, CLI, documentation, review-comment, status-check, rendering, and workflow-reader behavior was checked for contradictions against code, docs, and tests in bounded evidence.
Visual/DOM: Playwright visual, DOM locator, ARIA snapshot, console, and responsive evidence were checked when a web UI surface was present; for non-web surfaces, API/CLI/log/docs/workflow interaction evidence was reviewed instead.
Accessibility/i18n: accessibility, localization, and human-readable text surfaces were checked where UI, CLI, API message, docs, logs, or review text changed.
Supply-chain/license: dependency, package, model, container, and external-tool changes were checked in bounded evidence.
Packaging: package, build, test, lint, and security contracts were checked in bounded evidence.
Security/privacy: workflow-token, review-gate, and repository-automation security/privacy boundaries were checked in bounded evidence.

  • Result: APPROVE
  • Reason: Safe hot-path optimization with full test coverage
  • Head SHA: c7d0cf013ba912c01198b284dff75f7632236cb3
  • Workflow run: 28721176663
  • Workflow attempt: 1

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (2 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (2 files)"]
  R1 --> V1["required checks"]
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@github-actions github-actions Bot enabled auto-merge (squash) July 4, 2026 23:26
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