{
  "evidence_limits": "Descriptive single-adapter verified-call batches on three tiny analytic clouds; timed index copies and literal oracle comparisons are included; no comparator, speedup, application-scale, or scalability claim; no source-mapped limiter profile; binary64 input orientation is exact only for represented coordinates",
  "measured_scope": "21 verified measured call batches across three analytic QuickHull clouds; 1000 calls per batch; performance interpretation inconclusive",
  "native_payload_sha256": "b010fb3df212604b92ea351a5be6cfcff233c6ceed5e0cba8d2d7ba57a006620",
  "payload": {
    "calls_per_trial": 1000,
    "catalog": {
      "collinear_endpoints": {
        "indices": "1:3",
        "points": [
          [
            2,
            2
          ],
          [
            0,
            0
          ],
          [
            1,
            1
          ],
          [
            3,
            3
          ],
          [
            2,
            2
          ]
        ]
      },
      "skinny_triangle": {
        "indices": "0:1:2",
        "points": [
          [
            0,
            0
          ],
          [
            1,
            0
          ],
          [
            1,
            8.881784197001252e-16
          ],
          [
            0.5,
            2.220446049250313e-16
          ]
        ]
      },
      "square_duplicates": {
        "indices": "0:1:2:3",
        "points": [
          [
            0,
            0
          ],
          [
            1,
            0
          ],
          [
            1,
            1
          ],
          [
            0,
            1
          ],
          [
            0.5,
            0.5
          ],
          [
            0,
            0
          ],
          [
            1,
            0
          ]
        ]
      }
    },
    "created_utc": "2026-10-16T11:40:45Z",
    "environment": {
      "build": "Release / NDEBUG / C++20",
      "build_provenance_sha256": "dcb90f67f4fc19b8caf7051e89f4865d7b3893bad45029f40f5b540666fc6250",
      "cmake_cache_sha256": "819bc4764d1c91d92882c9035bc4276185d43987abf59548e31ec015f446cc62",
      "compiler": "C:/Program Files/Microsoft Visual Studio/2022/Community/VC/Tools/MSVC/14.44.35207/bin/Hostx64/x64/cl.exe",
      "compiler_version": "19.44.35215.0",
      "concurrent_work": "UTC 2026-10-16T11:40:40.2506634Z\nCPU load=0% logical cores=12\nSelected concurrent process counts: MSBuild=3, python=29\nEXT-01 timed trials had exited before this snapshot. Other agents deferred heavy local jobs. This is a point-in-time snapshot; the machine was not reserved exclusively.",
      "cpu": "Intel64 Family 6 Model 151 Stepping 5, GenuineIntel",
      "exe_sha256": "ba9716cf0b6415fe6b4d3f76096e6a66fb743bdf66731b4164a3e16c9bec56de",
      "final_build_exit_code": 0,
      "logical_cores": 12,
      "native_thread_count": {
        "available": false,
        "reason": "not observed"
      },
      "os": "Windows-11-10.0.22631-SP0",
      "python": "3.13.5"
    },
    "harness_commit": "74651cb028b9c2359d666ae5f141c66e0b03708b",
    "interval": "batch of fresh QuickHull calls plus per-call index copy and literal oracle comparison; excludes process startup, CSV serialization and Python saved-row verification",
    "payload_sha256": "b010fb3df212604b92ea351a5be6cfcff233c6ceed5e0cba8d2d7ba57a006620",
    "process_exit_code": 0,
    "purpose": "measurement",
    "raw_csv_sha256": "1c9abf0be13bba64d20f35ea1130ea756b533ee864e688f76f9117381b28fad0",
    "repetitions": 7,
    "report_id": "geo06-b010fb3df212604b",
    "rows": [
      {
        "calls": 1000,
        "duration_ns": 1678400,
        "indices": "0:1:2:3",
        "observed_vertices": 4000,
        "repetition": 0,
        "scenario": "square_duplicates",
        "status": "passed",
        "warmup": 1
      },
      {
        "calls": 1000,
        "duration_ns": 758200,
        "indices": "1:3",
        "observed_vertices": 2000,
        "repetition": 0,
        "scenario": "collinear_endpoints",
        "status": "passed",
        "warmup": 1
      },
      {
        "calls": 1000,
        "duration_ns": 2175100,
        "indices": "0:1:2",
        "observed_vertices": 3000,
        "repetition": 0,
        "scenario": "skinny_triangle",
        "status": "passed",
        "warmup": 1
      },
      {
        "calls": 1000,
        "duration_ns": 2466100,
        "indices": "0:1:2:3",
        "observed_vertices": 4000,
        "repetition": 0,
        "scenario": "square_duplicates",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 737800,
        "indices": "1:3",
        "observed_vertices": 2000,
        "repetition": 0,
        "scenario": "collinear_endpoints",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2350400,
        "indices": "0:1:2",
        "observed_vertices": 3000,
        "repetition": 0,
        "scenario": "skinny_triangle",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2263100,
        "indices": "0:1:2",
        "observed_vertices": 3000,
        "repetition": 1,
        "scenario": "skinny_triangle",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 790100,
        "indices": "1:3",
        "observed_vertices": 2000,
        "repetition": 1,
        "scenario": "collinear_endpoints",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2565900,
        "indices": "0:1:2:3",
        "observed_vertices": 4000,
        "repetition": 1,
        "scenario": "square_duplicates",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2597000,
        "indices": "0:1:2:3",
        "observed_vertices": 4000,
        "repetition": 2,
        "scenario": "square_duplicates",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 801800,
        "indices": "1:3",
        "observed_vertices": 2000,
        "repetition": 2,
        "scenario": "collinear_endpoints",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2268200,
        "indices": "0:1:2",
        "observed_vertices": 3000,
        "repetition": 2,
        "scenario": "skinny_triangle",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2210400,
        "indices": "0:1:2",
        "observed_vertices": 3000,
        "repetition": 3,
        "scenario": "skinny_triangle",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 852500,
        "indices": "1:3",
        "observed_vertices": 2000,
        "repetition": 3,
        "scenario": "collinear_endpoints",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2494000,
        "indices": "0:1:2:3",
        "observed_vertices": 4000,
        "repetition": 3,
        "scenario": "square_duplicates",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2477500,
        "indices": "0:1:2:3",
        "observed_vertices": 4000,
        "repetition": 4,
        "scenario": "square_duplicates",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 755900,
        "indices": "1:3",
        "observed_vertices": 2000,
        "repetition": 4,
        "scenario": "collinear_endpoints",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2158200,
        "indices": "0:1:2",
        "observed_vertices": 3000,
        "repetition": 4,
        "scenario": "skinny_triangle",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2170500,
        "indices": "0:1:2",
        "observed_vertices": 3000,
        "repetition": 5,
        "scenario": "skinny_triangle",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 757000,
        "indices": "1:3",
        "observed_vertices": 2000,
        "repetition": 5,
        "scenario": "collinear_endpoints",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2491100,
        "indices": "0:1:2:3",
        "observed_vertices": 4000,
        "repetition": 5,
        "scenario": "square_duplicates",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2561900,
        "indices": "0:1:2:3",
        "observed_vertices": 4000,
        "repetition": 6,
        "scenario": "square_duplicates",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 950900,
        "indices": "1:3",
        "observed_vertices": 2000,
        "repetition": 6,
        "scenario": "collinear_endpoints",
        "status": "passed",
        "warmup": 0
      },
      {
        "calls": 1000,
        "duration_ns": 2684600,
        "indices": "0:1:2",
        "observed_vertices": 3000,
        "repetition": 6,
        "scenario": "skinny_triangle",
        "status": "passed",
        "warmup": 0
      }
    ],
    "schema": "csl.geo06-quickhull-report/1",
    "source_commit": "ce63bff5a0face88c3c5e977f7d96337e8cbe948",
    "stderr": "",
    "summary": {
      "collinear_endpoints": {
        "max_batch_ns": 950900,
        "median_batch_ns": 790100,
        "min_batch_ns": 737800,
        "trials": 7
      },
      "skinny_triangle": {
        "max_batch_ns": 2684600,
        "median_batch_ns": 2263100,
        "min_batch_ns": 2158200,
        "trials": 7
      },
      "square_duplicates": {
        "max_batch_ns": 2597000,
        "median_batch_ns": 2494000,
        "min_batch_ns": 2466100,
        "trials": 7
      }
    },
    "warmups": 1
  },
  "payload_schema": "csl.geo06-quickhull-report/1",
  "payload_sha256": "516c4b0c612b13507d655c52ab5b109b2f8864c5a19f24bf002ff22633be15a5",
  "report_id": "geo06-f8bee6d8f950343215dd24afeff5091669b8940e7d2106e6834e904b6ec4c074",
  "report_kind": "geo06-quickhull",
  "schema": "csl.algorithm-report-envelope/1",
  "source_commit": "ce63bff5a0face88c3c5e977f7d96337e8cbe948",
  "source_report_id": "geo06-b010fb3df212604b"
}