bench(routing): add criterion bench for classify_complexity (target 0.1ms)#270
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Destynova2 merged 1 commit intomainfrom Apr 25, 2026
Merged
bench(routing): add criterion bench for classify_complexity (target 0.1ms)#270Destynova2 merged 1 commit intomainfrom
Destynova2 merged 1 commit intomainfrom
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….1ms) Three scenarios measure the cost of the heuristic complexity classifier to validate the "stateless ~0.1ms" design goal. Results well under target. Local results (Apple Silicon): classify_trivial ~145 ns (≈ 690x under 100µs target) classify_medium ~33 ns (≈ 3000x under target) classify_complex ~410 ns (≈ 240x under target) Bench is local-only (cargo bench is not in CI today; staying consistent). Side change: re-export `classify_complexity` from `routing::classify` so external callers (benches, MCP tools) don't need the awkward double `classify::classify::classify_complexity` path.
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Summary
Adds a Criterion bench validating the "stateless ~0.1ms" design goal for the heuristic complexity classifier. Results are well under target.
Local results (Apple Silicon, dev profile)
`classify_medium` is faster than `classify_trivial` because the medium request has fewer alphanumeric tokens that match the keyword regex set; the trivial "What is 2+2?" forces a full token scan.
Files changed
Test plan
Note
Bench is local-only — `cargo bench` is not in CI today, this PR stays consistent with that policy. The numbers are captured in the commit body for future reference.