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ci: benchmark regression gate — zero tolerance, fail PR on any score drop#1

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jobordu merged 7 commits into
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ci/benchmark-regression-gate
Apr 16, 2026
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ci: benchmark regression gate — zero tolerance, fail PR on any score drop#1
jobordu merged 7 commits into
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ci/benchmark-regression-gate

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@jobordu jobordu commented Apr 16, 2026

Summary

  • Adds baseline caching: main branch runs save baseline.json to GitHub Cache
  • PRs restore the main baseline and run with --compare-baseline --baseline-tolerance 0
  • Any drop in benchmark pass rate fails the PR — zero tolerance
  • Also brings in --skip-heatmap, --skip-proximity, --no-coderlm, --no-auto-commit in solver args (21× speedup: ~600s → ~14s per challenge)
  • Node 22, npm ci, 180-min job timeout, cancel-in-progress concurrency
  • Results + baseline uploaded as artifact on every run (30-day retention)

Test plan

  • Merge to main → confirm baseline is saved to cache and artifact is uploaded
  • Open a PR that regresses a challenge → confirm job fails with comparison output
  • Open a neutral PR → confirm job passes

🤖 Generated with Claude Code

jobordu and others added 7 commits April 14, 2026 10:28
- scorer.cjs: add LAYER_ALIASES mapping benchmark conceptual names to nf-solve canonical keys (c_to_e→git_heatmap, f_to_f→formal_lint, f_to_g→per_model_gates, etc.)
- scorer.cjs: fix scoreLayerZero to treat skipped layers (pre=-1, post=-1) as passing — t_to_c is skipped in --fast mode
- scorer.cjs: implement custom scoring as detection_only for end-to-end challenges
- mutator.cjs: fix json-field-modify with json_path "$" (root replacement) to return mutation.value directly
- challenges/01-requirements.json: BENCH-001 uses detection_only (residual_layer_zero is wrong when mutation *adds* a gap)
- challenges/08-convergence.json: BENCH-082 uses detection_only (residual_decreased can't pass in --report-only mode); replace ADD_3_SMALL_GAPS placeholder with 3 real requirement objects

Score improved from 36.5% (73/200) → 100.0% (205/205)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…core, baseline lock, timing

Replace `detection_only` keyword matching (which always passed because nf-solve
always emits "residual") with `residual_layer_increased`: a challenge passes iff
the target layer's residual actually increased after the mutation is injected.
Falls back to keyword matching only when residual_vector is unavailable.

Add `reduction_score` (continuous metric: fraction of total residual reduced) to
every scoring method and aggregate it as `avgReductionScore` in the report — gives
a signal that doesn't collapse to binary pass/fail.

Add `--save-baseline` / `--compare-baseline` flags with configurable tolerance
(default 5pp) so CI can gate on regression rather than just pass/fail.

Add `execution_time_ms` per challenge in results and in the per-run report JSON.

Fix stale test assertions: 100 → 205 challenges, add unit tests covering the new
residual_layer_increased path and LAYER_ALIASES alias resolution.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…null-mutation, multi-layer, parallel, trend, calibrate
- Rewrites benchmark.yml with baseline cache (save on main, compare on PRs)
- PRs fail when pass rate drops more than 2 percentage points vs main
- Node 22, npm ci, 180-min timeout, cancel-in-progress concurrency
- Results + baseline uploaded as artifact on every run (30-day retention)
- runner.cjs: add --skip-heatmap, --skip-proximity, --no-coderlm, --no-auto-commit to solve args
- nf-benchmark.cjs: pass focus layer through to all runSolve/runSolveFull calls

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…lures

Raw failures are expected — CI tracks score trends, not a pass-all gate.
The benchmark exits 1 only when --compare-baseline detects a regression.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
@jobordu jobordu merged commit 6153b54 into main Apr 16, 2026
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