{
  "baseline": "Django 6.0.7 baseline",
  "benchmark": "cppdjango PostgreSQL ORM CPU comparison",
  "construction": {
    "manager_all": {
      "native_median_us": 0.5708,
      "speedup_ratio": 1.856,
      "stock_median_us": 1.0596
    },
    "ordered_in32_values": {
      "native_median_us": 9.0997,
      "speedup_ratio": 7.413,
      "stock_median_us": 67.4563
    },
    "point_filter": {
      "native_median_us": 3.268,
      "speedup_ratio": 7.433,
      "stock_median_us": 24.2901
    },
    "values_list": {
      "native_median_us": 3.7369,
      "speedup_ratio": 4.43,
      "stock_median_us": 16.5543
    }
  },
  "correctness": {
    "expected_failures": 2,
    "native_disabled_tests": 515,
    "postgresql_integer_oid_parity": true,
    "skips": 15,
    "tests": 548
  },
  "headline": {
    "cpu_performance_ratio": 5.3643,
    "native_orm_cpu_us": 80.0622,
    "percent_faster": 436.4,
    "percent_less_cpu": 81.4,
    "published_claim": "436% faster ORM-only CPU performance",
    "scope": "equal mix of point select, ordered IN32 select, and point update; matched cursor/psycopg CPU excluded",
    "stock_orm_cpu_us": 429.4797
  },
  "method": {
    "cpu_repetitions": 3,
    "memory_validation": {
      "concurrency": 64,
      "request_errors": 0,
      "request_mix": [
        "point select",
        "ordered IN32 select",
        "point update"
      ],
      "requests_per_variant": 300032,
      "workers": 16
    },
    "postgres_cpu_source": "dedicated backend /proc task ticks sampled at worker boundaries",
    "run_order": "stock/native order alternated",
    "seconds_per_cpu_sample": 5,
    "warmup_operations": 500
  },
  "native": "cppdjango native implementation released as 6.0.7.post1",
  "operations": [
    {
      "combined_worker_and_postgres_cpu_reduction_percent": 44.45,
      "name": "point_select",
      "native": {
        "orm_only_cpu_us": 24.3628,
        "postgres_cpu_us": 56.5934,
        "raw_cursor_cpu_us": 65.5854,
        "wall_us": 139.286,
        "worker_cpu_us": 89.9482
      },
      "orm_cpu_performance_ratio": 5.787,
      "orm_cpu_reduction_percent": 82.72,
      "postgres_cpu_delta_percent": -1.34,
      "stock": {
        "orm_only_cpu_us": 140.9804,
        "postgres_cpu_us": 57.3604,
        "raw_cursor_cpu_us": 65.4441,
        "wall_us": 254.8341,
        "worker_cpu_us": 206.4245
      },
      "wall_speedup_ratio": 1.83,
      "worker_cpu_reduction_percent": 56.43
    },
    {
      "combined_worker_and_postgres_cpu_reduction_percent": 44.49,
      "name": "ordered_in32_select",
      "native": {
        "orm_only_cpu_us": 32.6845,
        "postgres_cpu_us": 90.9449,
        "raw_cursor_cpu_us": 80.3987,
        "wall_us": 194.2998,
        "worker_cpu_us": 113.0832
      },
      "orm_cpu_performance_ratio": 6.012,
      "orm_cpu_reduction_percent": 83.37,
      "postgres_cpu_delta_percent": 0.25,
      "stock": {
        "orm_only_cpu_us": 196.5053,
        "postgres_cpu_us": 90.7143,
        "raw_cursor_cpu_us": 80.3615,
        "wall_us": 360.3531,
        "worker_cpu_us": 276.8668
      },
      "wall_speedup_ratio": 1.855,
      "worker_cpu_reduction_percent": 59.16
    },
    {
      "combined_worker_and_postgres_cpu_reduction_percent": 23.05,
      "name": "point_update",
      "native": {
        "orm_only_cpu_us": 23.0149,
        "postgres_cpu_us": 149.162,
        "raw_cursor_cpu_us": 65.0824,
        "wall_us": 282.615,
        "worker_cpu_us": 88.0973
      },
      "orm_cpu_performance_ratio": 3.997,
      "orm_cpu_reduction_percent": 74.98,
      "postgres_cpu_delta_percent": -1.24,
      "stock": {
        "orm_only_cpu_us": 91.994,
        "postgres_cpu_us": 151.0345,
        "raw_cursor_cpu_us": 65.3054,
        "wall_us": 349.263,
        "worker_cpu_us": 157.2994
      },
      "wall_speedup_ratio": 1.236,
      "worker_cpu_reduction_percent": 43.99
    }
  ],
  "release": {
    "distribution": "cppdjango",
    "git_tag": "6.0.7.post1",
    "upstream_compatibility": "Django 6.0.7",
    "version": "6.0.7.post1"
  }
}