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Calibration mode: compare predicted vs actual and tune the model #17

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opened 2026-07-08 16:15:13 +03:00 by issuer-agent · 0 comments
issuer-agent commented 2026-07-08 16:15:13 +03:00
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After a real build, score the prediction and improve the heuristic (step toward the Uber CI-at-Scale learned model cited in README).

Implementation:

  • nix-estimate calibrate --history new-run.json --against last-estimate.json reporting per-drv and makespan error.
  • Optionally emit adjusted DEFAULT/table multipliers to a local override file that cost() consults.
After a real build, score the prediction and improve the heuristic (step toward the Uber CI-at-Scale learned model cited in README). **Implementation**: - `nix-estimate calibrate --history new-run.json --against last-estimate.json` reporting per-drv and makespan error. - Optionally emit adjusted DEFAULT/table multipliers to a local override file that `cost()` consults.
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Reference: oleks/nix-estimator#17
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