{
  "job_id": "883b15b0",
  "saved_at": "2026-05-26T19:12:02.226188",
  "visitor_key": null,
  "mode": "both",
  "cpu": {
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    "preset_label": "H.265 CPU",
    "preset_detail": "libx265 \u00b7 2000 kbps ABR \u00b7 1080p \u00b7 24 cores",
    "transcode": {
      "success": true,
      "duration_s": 59.8,
      "ffmpeg_cmd": "nice -n -5 /usr/local/bin/ffmpeg-master -y -i /tmp/wattlab_uploads/883b15b0_in.mp4 -c:v libx265 -b:v 2000k -vf scale=-2:1080 -c:a aac -b:a 128k /tmp/wattlab_uploads/883b15b0_h265_cpu_out.mp4 -progress pipe:1 -nostats",
      "ffmpeg_version": "ffmpeg version N-124403-g28ecb07e55-20260507 Copyright (c) 2000-2026 the FFmpeg developers",
      "stderr": ""
    },
    "output_size_mb": 28.75,
    "energy": {
      "w_base": 64.3,
      "w_task": 136.94,
      "delta_w": 72.64,
      "delta_t_s": 59.9,
      "delta_e_wh": 1.2086,
      "poll_count": 54,
      "baseline_samples_w": [
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        69.13,
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        61.18,
        61.18,
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      ],
      "task_samples_w": [
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        139.87,
        140.69,
        140.69,
        140.4,
        140.7,
        140.7,
        140.7,
        141.42,
        141.4,
        141.4,
        140.93,
        141.45,
        141.07,
        141.07,
        140.34,
        141.64,
        141.33,
        141.33,
        140.47,
        139.8,
        140.74,
        140.74,
        141.07,
        140.91,
        141.23,
        141.23,
        141.68,
        141.08,
        141.31,
        141.31,
        140.88,
        141.92,
        140.39,
        140.39,
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        142.01,
        142.01,
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      "confidence": {
        "method": "ci",
        "confidence_positive": 1.0,
        "se_final_w": 3.288,
        "ci_delta_w_95": [
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        ],
        "flag": "\ud83d\udfe2",
        "label": "Repeatable"
      },
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        "intensity": {
          "g_per_kwh": 26.3,
          "source": "live",
          "fetched_at": 1779815502.8773937,
          "age_s": 1622,
          "zone": "FR",
          "zone_label": "Paris (France)",
          "provider": "Eco2mix (RTE/Etalab)",
          "provider_url": "https://www.rte-france.com/eco2mix",
          "mix_mw": {
            "nucleaire": 40740,
            "eolien": 1005,
            "solaire": 8847,
            "hydraulique": 9047,
            "bioenergies": 1059,
            "gaz": 471,
            "charbon": 0,
            "fioul": 33,
            "pompage": -124
          }
        }
      }
    },
    "thermals": {
      "cpu_base": 63.2,
      "cpu_peak": 72.8,
      "cpu_mean": 70.2,
      "gpu_base": 42.0,
      "gpu_peak": 43.0,
      "gpu_mean": 42.8,
      "gpu_ppt_mean_w": 3.1,
      "gpu_ppt_peak_w": 7.0
    },
    "vmaf": 91.75
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    "preset_label": "H.265 GPU",
    "preset_detail": "hevc_vaapi \u00b7 2000 kbps ABR \u00b7 1080p \u00b7 full pipeline",
    "transcode": {
      "success": true,
      "duration_s": 11.2,
      "ffmpeg_cmd": "nice -n -5 /usr/local/bin/ffmpeg-master -y -hwaccel vaapi -hwaccel_output_format vaapi -extra_hw_frames 32 -vaapi_device /dev/dri/renderD128 -i /tmp/wattlab_uploads/883b15b0_in.mp4 -vf scale_vaapi=w=-2:h=1080:format=nv12 -c:v hevc_vaapi -b:v 2000k -c:a aac -b:a 128k /tmp/wattlab_uploads/883b15b0_h265_gpu_out.mp4 -progress pipe:1 -nostats",
      "ffmpeg_version": "ffmpeg version N-124403-g28ecb07e55-20260507 Copyright (c) 2000-2026 the FFmpeg developers",
      "stderr": ""
    },
    "output_size_mb": 31.22,
    "energy": {
      "w_base": 60.72,
      "w_task": 127.72,
      "delta_w": 67.0,
      "delta_t_s": 11.2,
      "delta_e_wh": 0.2084,
      "poll_count": 11,
      "baseline_samples_w": [
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      "task_samples_w": [
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      "confidence": {
        "method": "ci",
        "confidence_positive": 1.0,
        "se_final_w": 10.543,
        "ci_delta_w_95": [
          46.341,
          87.669
        ],
        "flag": "\ud83d\udfe2",
        "label": "Repeatable"
      },
      "co2e": {
        "grams": 0.00548092,
        "intensity": {
          "g_per_kwh": 26.3,
          "source": "live",
          "fetched_at": 1779815502.8773937,
          "age_s": 1622,
          "zone": "FR",
          "zone_label": "Paris (France)",
          "provider": "Eco2mix (RTE/Etalab)",
          "provider_url": "https://www.rte-france.com/eco2mix",
          "mix_mw": {
            "nucleaire": 40740,
            "eolien": 1005,
            "solaire": 8847,
            "hydraulique": 9047,
            "bioenergies": 1059,
            "gaz": 471,
            "charbon": 0,
            "fioul": 33,
            "pompage": -124
          }
        }
      }
    },
    "thermals": {
      "cpu_base": 62.0,
      "cpu_peak": 62.0,
      "cpu_mean": 61.8,
      "gpu_base": 43.0,
      "gpu_peak": 51.0,
      "gpu_mean": 49.2,
      "gpu_ppt_mean_w": 49.3,
      "gpu_ppt_peak_w": 55.0
    },
    "vmaf": 86.96
  },
  "analysis": {
    "energy_winner": "GPU",
    "speed_winner": "GPU",
    "energy_diff_pct": 82.8,
    "speed_diff_pct": 81.3,
    "finding": "GPU used 82.8% less energy (1.2086 vs 0.2084 Wh). GPU was 81.3% faster (59.9s vs 11.2s). GPU was both faster and more energy-efficient on this workload. CPU peaked at 72.8\u00b0C (Tctl), GPU junction at 51.0\u00b0C. GPU self-reported mean power (PPT): 49.3W \u2014 cross-check against P110 delta (67.0W total system delta).",
    "confidence_note": "Both runs \ud83d\udfe2 Repeatable.",
    "quality_note": "CPU higher perceptual quality \u2014 VMAF 91.75 vs 86.96 (\u03944.79)."
  },
  "scope": "Device layer only (GoS1 server). Network, CDN, CPE excluded.",
  "owl_version": {
    "version": "0.4.0",
    "sha": "a0bba8c",
    "dirty": true,
    "built_at": "2026-05-22"
  }
}