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Introduces `parsedRefsCache` in `Workspace` to prevent repeatedly executing the heavy `XREF_SCAN_RE` regex across the same unchanged sheet text during cache invalidations. Co-authored-by: Horizontal42 <75383519+Horizontal42@users.noreply.github.com>
3 lines
504 B
Markdown
3 lines
504 B
Markdown
## 2025-02-18 - Repeated Regex Execution Caching
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**Learning:** In recursive or looping traversal like graph cycle detection (e.g. invalidation of multiple sheets), running heavy Regex (`matchAll`) repeatedly on the exact same text is extremely slow and compounds exponentially.
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**Action:** Introduce text-based short-circuiting caches (e.g., matching the original `text` property against the cached payload string) where text extraction logic like Regex or parsing runs purely on deterministic inputs.
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