{
  "created_utc": "2026-09-08T19:03:18.524071+00:00",
  "scope": "Compare 4/6/8 MPI ranks while the independent four-rank startup run continues.\n\nThe flowing production workers are suspended only during timed solves and are\nresumed in finally. An independent watchdog also resumes them after ten minutes.\nEvery candidate uses identical initial fields, numerics, mesh and output cadence.\nThis measures local throughput, not CFD validation.\n",
  "background_startup_ranks": 4,
  "paused_production_case": "revh_flowing_12",
  "paused_pids": [
    2841847,
    2841848,
    2841849,
    2841850
  ],
  "benchmark_steps": 4,
  "deltaT_s": 1.25e-05,
  "results": {
    "4": {
      "wall_seconds": 105.12728269000945,
      "clock_seconds": [
        37.0,
        59.0,
        81.0,
        101.0
      ],
      "seconds_per_step_after_first": 21.333333333333332,
      "max_Courant": 0.3666416957,
      "bounding_lines": []
    },
    "6": {
      "wall_seconds": 91.17391224199673,
      "clock_seconds": [
        30.0,
        49.0,
        68.0,
        87.0
      ],
      "seconds_per_step_after_first": 19.0,
      "max_Courant": 0.3666416957,
      "bounding_lines": [],
      "fields": {
        "U": {
          "rms_error": 3.858251282678682e-07,
          "max_abs_error": 0.00012012954283471822,
          "pass": true
        },
        "p": {
          "rms_error": 2.558892845562229e-05,
          "max_abs_error": 0.004175743235124152,
          "pass": true
        },
        "k": {
          "rms_error": 7.199022050917598e-07,
          "max_abs_error": 0.00027396847249028244,
          "pass": true
        },
        "omega": {
          "rms_error": 0.08608316082075647,
          "max_abs_error": 136.69315447872384,
          "pass": true
        },
        "nut": {
          "rms_error": 6.6420068676884514e-09,
          "max_abs_error": 8.505673777712457e-06,
          "pass": true
        }
      },
      "field_check_passed": true,
      "throughput_ratio": 1.1228070175438596
    },
    "8": {
      "wall_seconds": 81.72622747800779,
      "clock_seconds": [
        28.0,
        45.0,
        61.0,
        77.0
      ],
      "seconds_per_step_after_first": 16.333333333333332,
      "max_Courant": 0.3666416957,
      "bounding_lines": [],
      "fields": {
        "U": {
          "rms_error": 2.3848901702102653e-07,
          "max_abs_error": 0.00016632627250341703,
          "pass": true
        },
        "p": {
          "rms_error": 1.319489649318004e-05,
          "max_abs_error": 0.004759038464307891,
          "pass": true
        },
        "k": {
          "rms_error": 2.1913065288631673e-06,
          "max_abs_error": 0.0007055127197758138,
          "pass": true
        },
        "omega": {
          "rms_error": 0.3214848160660475,
          "max_abs_error": 497.40225454431084,
          "pass": true
        },
        "nut": {
          "rms_error": 6.632747640568993e-09,
          "max_abs_error": 8.505675902638994e-06,
          "pass": true
        }
      },
      "field_check_passed": true,
      "throughput_ratio": 1.306122448979592
    }
  },
  "environment": {
    "HWLOC_COMPONENTS": "linux,stop",
    "OMP_NUM_THREADS": "1"
  },
  "criteria": {
    "rms_relative": 0.001,
    "maximum_relative": 0.01,
    "absolute": 1e-06,
    "minimum_throughput_gain": 0.1
  },
  "production_suspended_utc": "2026-09-08T19:08:52.723658+00:00",
  "production_pause_seconds": 278.2136031990085,
  "production_resumed_utc": "2026-09-08T19:10:14.487218+00:00",
  "resume_note": "Eight-rank launch originally refused six physical-core slots. Retry uses --use-hwthread-cpus with binding still disabled; four startup plus eight benchmark workers fit twelve WSL threads.",
  "production_pause_segments_seconds": [
    196.4499589830084,
    81.7636442160001
  ],
  "identical_input_sha256": {
    "0/U": "0ef774e32196adfa4b01b06d4a72bb302d1ae36f68487cfce7d74ff9eb63a270",
    "0/p": "e26ba8e2008540b643a058f3e0fd22a787df0fd89a7caa30c768b19736ccbdf0",
    "0/phi": "fc60441bba385da12183b59fcdf78f25e8e3f19b6623cdaf8ea327d9c2277fb4",
    "0/k": "28c8f9160d048221f3e47121a656a0740be4aba8b58ed1b00fb4d02f3d0bd034",
    "0/omega": "4944ae6e951c7c09347a09bc5f92a7cc8f28722f3227a323e0b365b1b8e3e05d",
    "0/nut": "cb1aeb1be401abe1dd58335ad143b6105a1a620e99c2959e4b7ff73b2e323801",
    "constant/polyMesh/points": "acafdfcb81038befd0cecaf554be9ab3da5fa1419d89c578e5e6f8198ecf97e0",
    "constant/polyMesh/faces": "0698fdd6f40db0866813820a6c14320e1192fcb7bfe82f139faa45c5131d221d",
    "constant/fvOptions": "9cc43b8c29187dfa5c5aa5567f8170a249017560c64711c162ed53546288b84c",
    "system/fvSchemes": "4a9f534b8d7ef36d4ce9ff952684fc60699a8f9bff8b836de1bbbd6fee7c7f25",
    "system/fvSolution": "8c8570ee1ca42e2b8d8d743d06c5d3b3d07f8b6626a5b331ebd8ab68e90563c9",
    "system/controlDict": "b2aff675e66ae3e5086a53d7d0935682337f07b860cb69711192dfd007318634"
  },
  "state": "complete"
}