{
  "scope": "Synthetic scorer allocation benchmark; no trained-model quality, real corpus inference or production throughput claim.",
  "baseline_source_commit": "683a8dd6045646cebc014064fa63974e79dd00c7",
  "rows": 150000,
  "repeats_per_version": 3,
  "execution_order": "baseline then improved in three pairs, each in a fresh Python process; tracemalloc enabled",
  "baseline": [
    {
      "scope": "Synthetic scorer allocation workload, not trained-model evaluation",
      "python": "3.12.13",
      "platform": "macOS-27.2-arm64-arm-64bit",
      "rows": 150000,
      "seconds": 1.026459166998393,
      "tracemalloc_peak_bytes": 72528275,
      "scorer_sha256": "5899505adeed442913ff367d4fefabf465bac14e43c43ab40a22c91a3e36218b",
      "input_sha256": "b0620f5d7344ef58531b3463042260a56f2089236583cd8d03c576ffcad6c039",
      "labels_sha256": "a76df0c4cda75079f36505d84412a5446ee7261952fefd53a205a3a6dfc20999",
      "report_sha256": "f9177d041b9c9f2d07c9f3f22ffcb2dcd15f4dd903da8e36592384ea9834c8c1",
      "limitations": "tracemalloc covers Python allocations, not full process RSS; timing includes its overhead and is not production throughput. Input byte/text snapshots are retained."
    },
    {
      "scope": "Synthetic scorer allocation workload, not trained-model evaluation",
      "python": "3.12.13",
      "platform": "macOS-27.2-arm64-arm-64bit",
      "rows": 150000,
      "seconds": 1.0462408750026952,
      "tracemalloc_peak_bytes": 72537675,
      "scorer_sha256": "5899505adeed442913ff367d4fefabf465bac14e43c43ab40a22c91a3e36218b",
      "input_sha256": "b0620f5d7344ef58531b3463042260a56f2089236583cd8d03c576ffcad6c039",
      "labels_sha256": "a76df0c4cda75079f36505d84412a5446ee7261952fefd53a205a3a6dfc20999",
      "report_sha256": "f9177d041b9c9f2d07c9f3f22ffcb2dcd15f4dd903da8e36592384ea9834c8c1",
      "limitations": "tracemalloc covers Python allocations, not full process RSS; timing includes its overhead and is not production throughput. Input byte/text snapshots are retained."
    },
    {
      "scope": "Synthetic scorer allocation workload, not trained-model evaluation",
      "python": "3.12.13",
      "platform": "macOS-27.2-arm64-arm-64bit",
      "rows": 150000,
      "seconds": 1.0553340000042226,
      "tracemalloc_peak_bytes": 72537675,
      "scorer_sha256": "5899505adeed442913ff367d4fefabf465bac14e43c43ab40a22c91a3e36218b",
      "input_sha256": "b0620f5d7344ef58531b3463042260a56f2089236583cd8d03c576ffcad6c039",
      "labels_sha256": "a76df0c4cda75079f36505d84412a5446ee7261952fefd53a205a3a6dfc20999",
      "report_sha256": "f9177d041b9c9f2d07c9f3f22ffcb2dcd15f4dd903da8e36592384ea9834c8c1",
      "limitations": "tracemalloc covers Python allocations, not full process RSS; timing includes its overhead and is not production throughput. Input byte/text snapshots are retained."
    }
  ],
  "improved": [
    {
      "scope": "Synthetic scorer allocation workload, not trained-model evaluation",
      "python": "3.12.13",
      "platform": "macOS-27.2-arm64-arm-64bit",
      "rows": 150000,
      "seconds": 0.8263766250020126,
      "tracemalloc_peak_bytes": 20972310,
      "scorer_sha256": "c92fb6b90e971d80739983c0c54f51f130e3844b7fe571b5f10d8c8195525751",
      "input_sha256": "b0620f5d7344ef58531b3463042260a56f2089236583cd8d03c576ffcad6c039",
      "labels_sha256": "a76df0c4cda75079f36505d84412a5446ee7261952fefd53a205a3a6dfc20999",
      "report_sha256": "f9177d041b9c9f2d07c9f3f22ffcb2dcd15f4dd903da8e36592384ea9834c8c1",
      "limitations": "tracemalloc covers Python allocations, not full process RSS; timing includes its overhead and is not production throughput. Input byte/text snapshots are retained."
    },
    {
      "scope": "Synthetic scorer allocation workload, not trained-model evaluation",
      "python": "3.12.13",
      "platform": "macOS-27.2-arm64-arm-64bit",
      "rows": 150000,
      "seconds": 0.8302569999941625,
      "tracemalloc_peak_bytes": 20972310,
      "scorer_sha256": "c92fb6b90e971d80739983c0c54f51f130e3844b7fe571b5f10d8c8195525751",
      "input_sha256": "b0620f5d7344ef58531b3463042260a56f2089236583cd8d03c576ffcad6c039",
      "labels_sha256": "a76df0c4cda75079f36505d84412a5446ee7261952fefd53a205a3a6dfc20999",
      "report_sha256": "f9177d041b9c9f2d07c9f3f22ffcb2dcd15f4dd903da8e36592384ea9834c8c1",
      "limitations": "tracemalloc covers Python allocations, not full process RSS; timing includes its overhead and is not production throughput. Input byte/text snapshots are retained."
    },
    {
      "scope": "Synthetic scorer allocation workload, not trained-model evaluation",
      "python": "3.12.13",
      "platform": "macOS-27.2-arm64-arm-64bit",
      "rows": 150000,
      "seconds": 0.8274650420062244,
      "tracemalloc_peak_bytes": 20972310,
      "scorer_sha256": "c92fb6b90e971d80739983c0c54f51f130e3844b7fe571b5f10d8c8195525751",
      "input_sha256": "b0620f5d7344ef58531b3463042260a56f2089236583cd8d03c576ffcad6c039",
      "labels_sha256": "a76df0c4cda75079f36505d84412a5446ee7261952fefd53a205a3a6dfc20999",
      "report_sha256": "f9177d041b9c9f2d07c9f3f22ffcb2dcd15f4dd903da8e36592384ea9834c8c1",
      "limitations": "tracemalloc covers Python allocations, not full process RSS; timing includes its overhead and is not production throughput. Input byte/text snapshots are retained."
    }
  ],
  "median_baseline_peak_bytes": 72537675,
  "median_improved_peak_bytes": 20972310,
  "median_baseline_seconds": 1.0462408750026952,
  "median_improved_seconds": 0.8274650420062244,
  "all_reports_byte_identical": true,
  "limitations": [
    "Python traced allocations, not whole-process RSS.",
    "Timing includes tracing overhead and a single machine/workload.",
    "CSV byte/text/StringIO snapshots still require memory proportional to input size.",
    "Counts grow with distinct label pairs; inferred arbitrary label universes are not constant-space.",
    "Existing corpus splits and published model-quality reports unchanged."
  ]
}