{
  "timestamp": "2026-11-04T05:15:22Z",
  "reasoning_effort": "auto",
  "hardware": {
    "used_gb": 19.7,
    "total_gb": 36.0,
    "percent": 73.2,
    "swap_used_mb": 648.38
  },
  "problems": [
    {
      "id": "concurrent_lru_cache",
      "name": "Concurrent LRU Cache with TTL",
      "category": "Systems & Concurrency",
      "difficulty": "Hard",
      "deepcoder": {
        "ast_valid": true,
        "passed": true,
        "effort_level": "auto (escalated from stateful_cache_lru)",
        "repairs": 2,
        "latency_sec": 196.44,
        "tokens": 2306,
        "sandbox": "warmed_docker"
      },
      "baseline": {
        "ast_valid": true,
        "passed": false,
        "latency_sec": 18.07,
        "tokens": 640,
        "error": "Runtime error (exit code 1):\nTraceback (most recent call last):\n  File \"<stdin>\", line 72, in <module>\n  File \"<stdin>\", line 59, in test_lru_cache\nAssertionError"
      }
    },
    {
      "id": "augmented_interval_tree",
      "name": "Augmented Interval Tree (Overlap Queries)",
      "category": "Algorithms & Trees",
      "difficulty": "Hard",
      "deepcoder": {
        "ast_valid": true,
        "passed": true,
        "effort_level": "auto (escalated from range_augmented_tree)",
        "repairs": 0,
        "latency_sec": 154.35,
        "tokens": 2869,
        "sandbox": "warmed_docker"
      },
      "baseline": {
        "ast_valid": true,
        "passed": false,
        "latency_sec": 32.68,
        "tokens": 815,
        "error": "Runtime error (exit code 1):\nTraceback (most recent call last):\n  File \"<stdin>\", line 85, in <module>\n  File \"<stdin>\", line 68, in test_augmented_interval_tree\nAssertionError"
      }
    },
    {
      "id": "sliding_window_rate_limiter",
      "name": "Sliding Window Rate Limiter",
      "category": "Distributed Systems",
      "difficulty": "Medium",
      "deepcoder": {
        "ast_valid": true,
        "passed": true,
        "effort_level": "system1 (rate_limiter_sliding_window)",
        "repairs": 0,
        "latency_sec": 26.98,
        "tokens": 693,
        "sandbox": "warmed_docker"
      },
      "baseline": {
        "ast_valid": true,
        "passed": true,
        "latency_sec": 28.63,
        "tokens": 753,
        "error": null
      }
    },
    {
      "id": "leetcode_easy_valid_anagram",
      "name": "LeetCode Easy: Valid Anagram with Unicode & Frequency",
      "category": "LeetCode Easy",
      "difficulty": "Easy",
      "deepcoder": {
        "ast_valid": true,
        "passed": true,
        "effort_level": "auto (escalated from unicode_frequency_string)",
        "repairs": 0,
        "latency_sec": 105.1,
        "tokens": 2014,
        "sandbox": "warmed_docker"
      },
      "baseline": {
        "ast_valid": true,
        "passed": false,
        "latency_sec": 19.69,
        "tokens": 509,
        "error": "Runtime error (exit code 1):\nTraceback (most recent call last):\n  File \"<stdin>\", line 58, in <module>\n  File \"<stdin>\", line 53, in test_is_anagram\nAssertionError"
      }
    },
    {
      "id": "leetcode_medium_coin_change",
      "name": "LeetCode Medium: Coin Change with Path Reconstruction",
      "category": "LeetCode Medium",
      "difficulty": "Medium",
      "deepcoder": {
        "ast_valid": true,
        "passed": true,
        "effort_level": "system1 (dp_path_reconstruction)",
        "repairs": 0,
        "latency_sec": 27.9,
        "tokens": 713,
        "sandbox": "warmed_docker"
      },
      "baseline": {
        "ast_valid": true,
        "passed": false,
        "latency_sec": 33.59,
        "tokens": 877,
        "error": "Runtime error (exit code 1):\nTraceback (most recent call last):\n  File \"<stdin>\", line 82, in <module>\n  File \"<stdin>\", line 79, in test_coin_change_with_path\nAssertionError"
      }
    },
    {
      "id": "leetcode_hard_median_sorted_arrays",
      "name": "LeetCode Hard: Median of Two Sorted Arrays",
      "category": "LeetCode Hard",
      "difficulty": "Hard",
      "deepcoder": {
        "ast_valid": true,
        "passed": true,
        "effort_level": "system1 (logarithmic_median_partition)",
        "repairs": 0,
        "latency_sec": 27.66,
        "tokens": 694,
        "sandbox": "warmed_docker"
      },
      "baseline": {
        "ast_valid": true,
        "passed": true,
        "latency_sec": 38.56,
        "tokens": 1013,
        "error": null
      }
    },
    {
      "id": "sysdesign_component_rwlock",
      "name": "System Design Component: Fair ReadWriteLock with Writer Preference",
      "category": "System Design (Component)",
      "difficulty": "Medium-Hard",
      "deepcoder": {
        "ast_valid": true,
        "passed": true,
        "effort_level": "system1 (concurrency_rwlock)",
        "repairs": 0,
        "latency_sec": 33.42,
        "tokens": 854,
        "sandbox": "warmed_docker"
      },
      "baseline": {
        "ast_valid": true,
        "passed": false,
        "latency_sec": 23.25,
        "tokens": 604,
        "error": "Runtime error (exit code 1):\nException in thread Thread-1 (reader):\nTraceback (most recent call last):\n  File \"/usr/local/lib/python3.11/threading.py\", line 1045, in _bootstrap_inner\n    self.run()\n  File \"/usr/local/lib/python3.11/threading.py\", line 982, in run\n    self._target(*self._args, **self._kwargs)\nException in thread Thread-2 (reader):\nTraceback (most recent call last):\n  File \"<stdin>\", line 59, in reader\nTypeError: '_thread.lock' object is not callable\nException in thread Thread-3 (reader):\nTraceback (most recent call last):\n  File \"/usr/local/lib/python3.11/threading.py\", line 1045, in _bootstrap_inner\n  File \"/usr/local/lib/python3.11/threading.py\", line 1045, in _bootstrap_inner\n    self.run()\n  File \"/usr/local/lib/python3.11/threading.py\", line 982, in run\n    self.run()\n  File \"/usr/local/lib/python3.11/threading.py\", line 982, in run\n    self._target(*self._args, **self._kwargs)\n  File \"<stdin>\", line 59, in reader\nTypeError: '_thread.lock' object is not callable\n    self._target(*self._args, **self._kwargs)\n  File \"<stdin>\", line 59, in reader\nTypeError: '_thread.lock' object is not callable\nTraceback (most recent call last):\n  File \"<stdin>\", line 95, in <module>\n  File \"<stdin>\", line 72, in test_fair_read_write_lock\nAssertionError: Concurrent readers test failed"
      }
    },
    {
      "id": "sysdesign_service_consistent_hash",
      "name": "System Design Service: Consistent Hashing Ring with Virtual Nodes",
      "category": "System Design (Service)",
      "difficulty": "Hard",
      "deepcoder": {
        "ast_valid": true,
        "passed": true,
        "effort_level": "system1 (distributed_consistent_hash)",
        "repairs": 0,
        "latency_sec": 30.52,
        "tokens": 762,
        "sandbox": "warmed_docker"
      },
      "baseline": {
        "ast_valid": true,
        "passed": false,
        "latency_sec": 34.31,
        "tokens": 904,
        "error": "Runtime error (exit code 1):\nTraceback (most recent call last):\n  File \"<stdin>\", line 106, in <module>\n  File \"<stdin>\", line 91, in test_consistent_hash_ring\nAssertionError"
      }
    },
    {
      "id": "sysdesign_distributed_2pc",
      "name": "System Design Distributed: Two-Phase Commit Coordinator (2PC)",
      "category": "System Design (Distributed)",
      "difficulty": "Hard",
      "deepcoder": {
        "ast_valid": true,
        "passed": true,
        "effort_level": "auto (escalated from distributed_2pc)",
        "repairs": 0,
        "latency_sec": 165.74,
        "tokens": 2951,
        "sandbox": "warmed_docker"
      },
      "baseline": {
        "ast_valid": true,
        "passed": false,
        "latency_sec": 29.7,
        "tokens": 773,
        "error": "Runtime error (exit code 1):\nTraceback (most recent call last):\n  File \"<stdin>\", line 82, in <module>\n  File \"<stdin>\", line 79, in test_two_phase_commit\nAssertionError"
      }
    }
  ],
  "summary": {
    "baseline_pass_count": 2,
    "deepcoder_pass_count": 9,
    "fast_path_resolved_count": 5,
    "escalated_count": 4,
    "total_problems": 9,
    "baseline_latencies": [
      18.07,
      32.68,
      28.63,
      19.69,
      33.59,
      38.56,
      23.25,
      34.31,
      29.7
    ],
    "deepcoder_latencies": [
      196.44,
      154.35,
      26.98,
      105.1,
      27.9,
      27.66,
      33.42,
      30.52,
      165.74
    ],
    "avg_baseline_latency_sec": 28.72,
    "avg_deepcoder_latency_sec": 85.35
  },
  "final_memory": {
    "used_gb": 21.29,
    "total_gb": 36.0,
    "percent": 78.5,
    "swap_used_mb": 648.38
  }
}