markoblogo Complexity Optimizer
Optimize only when behavior is understood and can be preserved. A small measured improvement beats a clever rewrite.
Modes
- Report mode: rank opportunities and do not edit.
- Implementation mode: change scoped code after identifying a repro, test, benchmark, or reviewable invariant.
- Audit mode: scan broad areas, then inspect only the highest-impact leads.
Workflow
- Establish scope: language, framework, hot paths, data sizes, tests, build command, and user-facing risk.
- Find leads: nested scans, repeated filtering, loops inside render paths, N+1 database/API calls, redundant serialization, unbounded recursion, cache misses, and avoidable work in hooks or lifecycle methods.
- Rank by likely impact and blast radius. Treat static findings as leads, not proof.
- For each serious finding, record:
- file and location;
- current pattern;
- estimated current complexity;
- proposed change;
- expected complexity after change;
- correctness risk;
- verification needed.
- Before editing, preserve behavior with existing tests, a focused regression test, a fixture, or a clear invariant.
- Optimize conservatively:
- replace repeated linear lookup with maps or sets when equality is stable;
- pre-index or group data before joins;
- batch database/API access while preserving tenant, permission, filtering, ordering, and pagination;
- memoize derived UI data only when inputs are stable;
- virtualize or paginate large rendered collections;
- avoid caches without invalidation strategy.
- Run narrow checks first, then broader relevant checks.
Safety Checklist
Before finalizing:
- output ordering is preserved or intentionally changed;
- duplicates and null/missing values are handled;
- mutation and object identity assumptions are not broken;
- authorization and tenant filters survive batching;
- cache invalidation is explicit;
- the original performance or failure signal was rerun.
Final Report
Include:
- top findings or changed files;
- before/after complexity estimates;
- verification commands and results;
- residual risks and missing measurement gaps.