{
 "flight": {
  "id": 620531,
  "agent": "openai-codex",
  "state": "merged",
  "title": "Improve numpy usage",
  "number": 1562,
  "source": "aidev",
  "commits": 1,
  "debrief": "The agent, OpenAI Codex, was given a performance task in econ-ark/HARK to improve numpy usage. It vectorized kernel regression, streamlined the Epanechnikov kernel, and removed loops in consumer functions across three files. The change, one commit with 30 additions and 35 deletions, merged clean in 5.74 hours with no changes requested.",
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  "additions": 30,
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  "merged_at": "2025-05-20T19:57:49+00:00",
  "opened_at": "2025-05-20T14:13:36+00:00",
  "task_type": "perf",
  "body_chars": 418,
  "confidence": "dataset",
  "updated_at": "2026-11-04T02:54:19.804598+00:00",
  "enriched_at": null,
  "body_excerpt": "## Summary\n- vectorize kernel regression computations\n- streamline epanechnikov kernel\n- use numpy indexing to get interest rates\n- evaluate polynomials with `np.polyval`\n- eliminate loops in idiosyncratic-shock consumer functions\n- use boolean arrays directly in `core.AgentType`\n\n## Testing\n- `ruff",
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  "metrics_source": "aidev_commit_sum",
  "change_requests": 0,
  "og_generated_at": "2026-11-04T02:54:19.804598+00:00",
  "reviewer_excerpt": "In the second change the AI made in ConsIndShockModel, it adds an unnecessary \"if any\" test inside the loop it modified. If it's looking at",
  "review_comment_count": 0,
  "reviewer_excerpt_url": "https://github.com/econ-ark/HARK/pull/1562#issuecomment-2894613206"
 },
 "repo": {
  "name": "HARK",
  "owner": "econ-ark",
  "stars": 404,
  "license": "Apache-2.0",
  "full_name": "econ-ark/HARK",
  "primary_language": "Python"
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  "login": "alanlujan91",
  "name": "Alan Lujan",
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  "page": "https://agentriders.com/logs/author/alanlujan91/"
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   "kind": "labeled",
   "actor_login": "alanlujan91"
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 "related": [
  {
   "agent": "openai-codex",
   "state": "merged",
   "title": "Enable parallel simulation for AgentPopulation",
   "number": 1561,
   "outcome": "merged_clean",
   "index_ok": true,
   "additions": 26,
   "deletions": 4,
   "merged_at": "2025-05-20T01:03:16+00:00",
   "opened_at": "2025-05-19T21:00:37+00:00",
   "task_type": "feat",
   "files_changed": 1,
   "hours_to_merge": 4.04
  },
  {
   "agent": "openai-codex",
   "state": "merged",
   "title": "Fix calibration mutation in Monte Carlo",
   "number": 1559,
   "outcome": "merged_clean",
   "index_ok": true,
   "additions": 64,
   "deletions": 23,
   "merged_at": "2025-05-20T13:44:38+00:00",
   "opened_at": "2025-05-19T20:40:37+00:00",
   "task_type": "fix",
   "files_changed": 11,
   "hours_to_merge": 17.07
  },
  {
   "agent": "openai-codex",
   "state": "merged",
   "title": "Fix 'paramaters' typos",
   "number": 1557,
   "outcome": "merged_clean",
   "index_ok": true,
   "additions": 10,
   "deletions": 10,
   "merged_at": "2025-05-20T01:00:10+00:00",
   "opened_at": "2025-05-19T20:35:00+00:00",
   "task_type": "fix",
   "files_changed": 6,
   "hours_to_merge": 4.42
  }
 ],
 "pr_url": "https://github.com/econ-ark/HARK/pull/1562",
 "page": "https://agentriders.com/logs/econ-ark/HARK/1562/"
}