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3 changes: 3 additions & 0 deletions .jules/bolt.md
Original file line number Diff line number Diff line change
Expand Up @@ -67,3 +67,6 @@
## 2025-02-12 - [Fast Path Execution in Directory Traversal and Log Parsing]
**Learning:** Checking for string existence (`if "silence_" not in stderr`) before invoking regex matchers provides significant speed improvements when parsing large blocks of text. Similarly, moving expensive I/O operations like `os.path.realpath` inside conditional blocks prevents redundant disk access when configuration (like path exclusions) isn't utilized.
**Action:** When working on large text processing or disk operations, verify if early exit conditions or conditional execution can bypass the expensive system or library calls.
## 2024-05-18 - [단일 단어 토큰화 시 정규식 오버헤드 우회]
**학습:** 단일 영숫자 단어에 대해 `re.findall` 정규식을 매번 실행하면 큰 텍스트를 파싱할 때 오버헤드가 커진다는 것을 확인했습니다. `str.isalnum()`은 정규식 엔진을 거치지 않아 속도가 훨씬 빠릅니다.
**실행:** 텍스트를 토큰화하거나 처리할 때, 순수 영숫자 텍스트의 경우 `str.isalnum()`을 사용한 빠른 경로(fast-path) 검사를 선행하여 불필요한 정규식 엔진 호출을 피합니다.
8 changes: 7 additions & 1 deletion transcript_search.py
Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,13 @@ def tokenize(text: str) -> list[str]:
Returns:
List of lowercase tokens (possibly empty).
"""
return _WORD_RE.findall(text.lower())
lowered = text.lower()
# Fast path optimization: if the string consists entirely of alphanumeric
# characters, it represents a single valid token. Bypassing the regex
# engine here significantly reduces overhead during inverted index creation.
if lowered.isalnum():
return [lowered]
return _WORD_RE.findall(lowered)


@dataclass(frozen=True)
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