{
  "schema": "sync-sender-stage-measurements-v1",
  "pairedComparisons": [
    {
      "label": "Quiet Baseline vs 16-Pass GPU Load (1080p60 WebGL2 Sender)",
      "date": "2026-09-18",
      "durationSeconds": 20.002,
      "configuration": {
        "resolution": "1920x1080",
        "targetFps": 60,
        "sender": "Noisedeck A (WebGL2ExportQueue, 3 slots, 1080p60 RGBA8)",
        "dsl": "testPattern(pattern: 0, gridSize: 4).write(o0)",
        "quietWorkload": "1-pass default testPattern generator",
        "loadedWorkload": "16-pass heavy feedback shader workload",
        "daemon": "syncd (0.2.65)",
        "extension": "io.noisefactor.sync.camera (0.2.38)",
        "host": "Apple M4, macOS 26.5 (build 25F71, kernel 25.5.0)"
      },
      "quietArm": {
        "windowDurationSeconds": 20.002,
        "totalSubmissions": 1200,
        "acceptedSubmissions": 1200,
        "refusedSubmissions": 0,
        "sentPackets": 1200,
        "uniqueFps": 59.99400059994001,
        "apiWalltimeMs": {
          "submit": {
            "n": 1200,
            "min": 3.799999237060547,
            "mean": 4.926500034332276,
            "p50": 5.0,
            "p95": 5.399999618530273,
            "p99": 5.600000381469727,
            "max": 6.600000381469727,
            "zeroCount": 0
          },
          "enqueue": {
            "n": 1200,
            "min": 0.0,
            "mean": 0.0443333371480306,
            "p50": 0.0,
            "p95": 0.10000038146972656,
            "p99": 0.20000076293945312,
            "max": 0.20000076293945312,
            "zeroCount": 694
          },
          "readPixels": {
            "n": 1200,
            "min": 0.0,
            "mean": 0.008750001589457193,
            "p50": 0.0,
            "p95": 0.10000038146972656,
            "p99": 0.10000038146972656,
            "max": 0.10000038146972656,
            "zeroCount": 1095
          },
          "fenceCreate": {
            "n": 1200,
            "min": 0.0,
            "mean": 0.01333333174387614,
            "p50": 0.0,
            "p95": 0.10000038146972656,
            "p99": 0.10000038146972656,
            "max": 0.10000038146972656,
            "zeroCount": 1040
          },
          "fencePoll": {
            "n": 1200,
            "min": 0.0,
            "mean": 0.0041666746139526365,
            "p50": 0.0,
            "p95": 0.0,
            "p99": 0.10000038146972656,
            "max": 0.10000038146972656,
            "zeroCount": 1150
          },
          "readback": {
            "n": 1200,
            "min": 2.6999988555908203,
            "mean": 3.357083322207133,
            "p50": 3.3000011444091797,
            "p95": 3.8999996185302734,
            "p99": 4.100000381469727,
            "max": 5.299999237060547,
            "zeroCount": 0
          },
          "complete": {
            "n": 1200,
            "min": 0.8000011444091797,
            "mean": 1.484083342552185,
            "p50": 1.5,
            "p95": 1.8000011444091797,
            "p99": 1.8999996376037598,
            "max": 2.1000003814697266,
            "zeroCount": 0
          },
          "payloadCopy": {
            "n": 1200,
            "min": 0.10000038146972656,
            "mean": 0.592499992052714,
            "p50": 0.6000003814697266,
            "p95": 0.8000011444091797,
            "p99": 0.9000015258789062,
            "max": 1.0,
            "zeroCount": 0
          },
          "socketSend": {
            "n": 1200,
            "min": 0.5,
            "mean": 0.8610833311080932,
            "p50": 0.8000011444091797,
            "p95": 1.1999988555908203,
            "p99": 1.2999992370605469,
            "max": 1.3000011444091797,
            "zeroCount": 0
          }
        },
        "pairedWalltimeMs": {
          "fenceEndToFirstPollStart": {
            "n": 1200,
            "min": 9.200000762939453,
            "mean": 11.752499968210856,
            "p50": 11.700000762939453,
            "p95": 12.600000381469727,
            "p99": 13.900999622344969,
            "max": 14.799999237060547,
            "zeroCount": 0
          },
          "fenceEndToFirstSuccessfulPollEnd_observedUpperBound": {
            "n": 1200,
            "min": 9.200000762939453,
            "mean": 11.75666664282481,
            "p50": 11.700000762939453,
            "p95": 12.600000381469727,
            "p99": 13.900999622344969,
            "max": 14.799999237060547,
            "zeroCount": 0
          },
          "enqueueEndToCompleteStart": {
            "n": 1200,
            "min": 12.30000114440918,
            "mean": 15.133666653633117,
            "p50": 15.100000381469727,
            "p95": 16.100000381469727,
            "p99": 17.299999237060547,
            "max": 17.899999618530273,
            "zeroCount": 0
          },
          "frameTimestampToCompleteStart": {
            "n": 1200,
            "min": 17.700000762939453,
            "mean": 20.072500023841858,
            "p50": 20.099998474121094,
            "p95": 20.900001525878906,
            "p99": 21.700000762939453,
            "max": 22.30000114440918,
            "zeroCount": 0
          },
          "completeEntryToSendEntry_includingPayloadCopy": {
            "n": 1200,
            "min": 0.1999988555908203,
            "mean": 0.6206666787465414,
            "p50": 0.6000003814697266,
            "p95": 0.8999996185302734,
            "p99": 1.0,
            "max": 1.1000003814697266,
            "zeroCount": 0
          },
          "completeEntryToSendEntry_excludingPayloadCopy": {
            "n": 1200,
            "min": 0.0,
            "mean": 0.02816668669382731,
            "p50": 0.0,
            "p95": 0.10000038146972656,
            "p99": 0.10000038146972656,
            "max": 0.20000076293945312,
            "zeroCount": 872
          },
          "completeEntryToSendReturn": {
            "n": 1200,
            "min": 0.8000011444091797,
            "mean": 1.4817500098546346,
            "p50": 1.5,
            "p95": 1.8000011444091797,
            "p99": 1.8999996185302734,
            "max": 2.1000003814697266,
            "zeroCount": 0
          },
          "frameTimestampToSendEntry": {
            "n": 1200,
            "min": 17.900001525878906,
            "mean": 20.6931667025884,
            "p50": 20.700000762939453,
            "p95": 21.5,
            "p99": 22.30100112915039,
            "max": 22.899999618530273,
            "zeroCount": 0
          }
        },
        "wholeHostResources": {
          "gpu_active_ratio": {
            "n": 19,
            "min": 0.6279732584953308,
            "mean": 0.6504247596389369,
            "p50": 0.6481168270111084,
            "p95": 0.6713902711868286,
            "p99": 0.6719029378890992,
            "max": 0.6720311045646667,
            "zeroCount": 0
          },
          "gpu_scaled_ratio": {
            "n": 19,
            "min": 0.14439113438129425,
            "mean": 0.15281089042362414,
            "p50": 0.14958687126636505,
            "p95": 0.17217782884836194,
            "p99": 0.1848665550351143,
            "max": 0.18803873658180237,
            "zeroCount": 0
          },
          "gpu_freq_mhz": {
            "n": 19,
            "min": 338,
            "mean": 345.42105263157896,
            "p50": 338.0,
            "p95": 391.2999999999999,
            "p99": 422.26,
            "max": 430,
            "zeroCount": 0
          },
          "gpu_power": {
            "n": 19,
            "min": 0.7118914723396301,
            "mean": 0.7344289923969068,
            "p50": 0.72702556848526,
            "p95": 0.779042339324951,
            "p99": 0.8091013622283936,
            "max": 0.8166161179542542,
            "zeroCount": 0
          },
          "cpu_power": {
            "n": 19,
            "min": 4.037604331970215,
            "mean": 4.645033359527588,
            "p50": 4.408014297485352,
            "p95": 5.868772077560424,
            "p99": 6.1606963253021245,
            "max": 6.233677387237549,
            "zeroCount": 0
          },
          "all_power": {
            "n": 19,
            "min": 4.770648956298828,
            "mean": 5.379462317416542,
            "p50": 5.14466667175293,
            "p95": 6.637826108932495,
            "p99": 6.887893133163452,
            "max": 6.950409889221191,
            "zeroCount": 0
          },
          "sys_power": {
            "n": 19,
            "min": 18.959312438964844,
            "mean": 19.92707553662752,
            "p50": 19.506370544433594,
            "p95": 22.160353279113767,
            "p99": 23.390276832580568,
            "max": 23.697757720947266,
            "zeroCount": 0
          },
          "cpu_active_ratio": {
            "n": 19,
            "min": 0.38513922691345215,
            "mean": 0.48472586274147034,
            "p50": 0.49310094118118286,
            "p95": 0.5597673356533049,
            "p99": 0.5825895011425019,
            "max": 0.588295042514801,
            "zeroCount": 0
          }
        },
        "stablePidCpuDelta": {
          "daemon": {
            "pids": [
              20190
            ],
            "sampleSpanSeconds": 19.1292685546875,
            "cpuSeconds": 3.8699999999999997,
            "percentOfOneCore": 20.230778761541732
          },
          "producer": {
            "pids": [
              20288,
              20430,
              20303,
              20304,
              20338,
              20278,
              20282,
              20283,
              20284,
              20286,
              20287
            ],
            "sampleSpanSeconds": 19.1292685546875,
            "cpuSeconds": 14.99,
            "percentOfOneCore": 78.3615952546539
          },
          "producerGPU": {
            "pids": [
              20282
            ],
            "sampleSpanSeconds": 19.1292685546875,
            "cpuSeconds": 3.4000000000000004,
            "percentOfOneCore": 17.773810798253724
          },
          "producerRenderer": {
            "pids": [
              20288,
              20338,
              20286,
              20287
            ],
            "sampleSpanSeconds": 19.1292685546875,
            "cpuSeconds": 8.1,
            "percentOfOneCore": 42.343490431133866
          },
          "consumer": {
            "pids": [
              20353,
              20379,
              20229,
              20230,
              20201,
              20205,
              20206,
              20207,
              20211,
              20212,
              20213,
              20247,
              20382
            ],
            "sampleSpanSeconds": 19.1292685546875,
            "cpuSeconds": 9.919999999999998,
            "percentOfOneCore": 51.857706799610845
          },
          "consumerGPU": {
            "pids": [
              20205
            ],
            "sampleSpanSeconds": 19.1292685546875,
            "cpuSeconds": 5.199999999999999,
            "percentOfOneCore": 27.183475338505687
          },
          "consumerRenderer": {
            "pids": [
              20211,
              20212,
              20213,
              20247
            ],
            "sampleSpanSeconds": 19.1292685546875,
            "cpuSeconds": 2.4099999999999997,
            "percentOfOneCore": 12.598495301115134
          },
          "cameraExtension": {
            "pids": [
              6767
            ],
            "sampleSpanSeconds": 19.1292685546875,
            "cpuSeconds": 1.3499999999999979,
            "percentOfOneCore": 7.057248405188966
          },
          "windowServer": {
            "pids": [
              457
            ],
            "sampleSpanSeconds": 19.1292685546875,
            "cpuSeconds": 8.869999999995343,
            "percentOfOneCore": 46.36873581777286
          }
        }
      },
      "loadArm": {
        "windowDurationSeconds": 20.002,
        "totalSubmissions": 1200,
        "acceptedSubmissions": 1200,
        "refusedSubmissions": 0,
        "sentPackets": 1200,
        "uniqueFps": 59.99400059994001,
        "apiWalltimeMs": {
          "submit": {
            "n": 1200,
            "min": 3.3999996185302734,
            "mean": 4.372583362261454,
            "p50": 4.200000762939453,
            "p95": 5.19999885559082,
            "p99": 5.30000114440918,
            "max": 5.700000762939453,
            "zeroCount": 0
          },
          "enqueue": {
            "n": 1200,
            "min": 0.0,
            "mean": 0.027750012079874674,
            "p50": 0.0,
            "p95": 0.10000038146972656,
            "p99": 0.10000038146972656,
            "max": 0.20000076293945312,
            "zeroCount": 874
          },
          "readPixels": {
            "n": 1200,
            "min": 0.0,
            "mean": 0.004750002225240072,
            "p50": 0.0,
            "p95": 0.0,
            "p99": 0.10000038146972656,
            "max": 0.10000038146972656,
            "zeroCount": 1143
          },
          "fenceCreate": {
            "n": 1200,
            "min": 0.0,
            "mean": 0.0080833371480306,
            "p50": 0.0,
            "p95": 0.10000038146972656,
            "p99": 0.10000038146972656,
            "max": 0.10000038146972656,
            "zeroCount": 1103
          },
          "fencePoll": {
            "n": 1200,
            "min": 0.0,
            "mean": 0.003583329518636068,
            "p50": 0.0,
            "p95": 0.0,
            "p99": 0.10000038146972656,
            "max": 0.10000038146972656,
            "zeroCount": 1157
          },
          "readback": {
            "n": 1200,
            "min": 2.5,
            "mean": 3.3300833813349406,
            "p50": 3.200000762939453,
            "p95": 3.9000015258789062,
            "p99": 4.100000381469727,
            "max": 4.200000762939453,
            "zeroCount": 0
          },
          "complete": {
            "n": 1200,
            "min": 0.6999988555908203,
            "mean": 0.9862499634424845,
            "p50": 0.9000015258789062,
            "p95": 1.3000011444091797,
            "p99": 1.5,
            "max": 1.7999992370605469,
            "zeroCount": 0
          },
          "payloadCopy": {
            "n": 1200,
            "min": 0.09999847412109375,
            "mean": 0.2872500006357829,
            "p50": 0.20000076293945312,
            "p95": 0.5,
            "p99": 0.6999988555908203,
            "max": 0.7999992370605469,
            "zeroCount": 0
          },
          "socketSend": {
            "n": 1200,
            "min": 0.5,
            "mean": 0.6834999720255533,
            "p50": 0.6999988555908203,
            "p95": 0.8999996185302734,
            "p99": 1.0,
            "max": 1.2000007629394531,
            "zeroCount": 0
          }
        },
        "pairedWalltimeMs": {
          "fenceEndToFirstPollStart": {
            "n": 1200,
            "min": 9.600000381469727,
            "mean": 12.306166642506918,
            "p50": 12.399999618530273,
            "p95": 13.100000381469727,
            "p99": 14.5,
            "max": 15.100000381469727,
            "zeroCount": 0
          },
          "fenceEndToFirstSuccessfulPollEnd_observedUpperBound": {
            "n": 1200,
            "min": 9.600000381469727,
            "mean": 12.309749972025553,
            "p50": 12.40000057220459,
            "p95": 13.100000381469727,
            "p99": 14.5,
            "max": 15.100000381469727,
            "zeroCount": 0
          },
          "enqueueEndToCompleteStart": {
            "n": 1200,
            "min": 12.399999618530273,
            "mean": 15.650250027974447,
            "p50": 15.700000762939453,
            "p95": 16.80000114440918,
            "p99": 17.701000747680663,
            "max": 18.700000762939453,
            "zeroCount": 0
          },
          "frameTimestampToCompleteStart": {
            "n": 1200,
            "min": 17.399999618530273,
            "mean": 20.030333382288614,
            "p50": 19.900001525878906,
            "p95": 20.700000762939453,
            "p99": 21.899999618530273,
            "max": 22.700000762939453,
            "zeroCount": 0
          },
          "completeEntryToSendEntry_includingPayloadCopy": {
            "n": 1200,
            "min": 0.09999847412109375,
            "mean": 0.30141665776570636,
            "p50": 0.2999992370605469,
            "p95": 0.5,
            "p99": 0.6999988555908203,
            "max": 0.7999992370605469,
            "zeroCount": 0
          },
          "completeEntryToSendEntry_excludingPayloadCopy": {
            "n": 1200,
            "min": 0.0,
            "mean": 0.014166657129923503,
            "p50": 0.0,
            "p95": 0.10000038146972656,
            "p99": 0.10000038146972656,
            "max": 0.20000076293945312,
            "zeroCount": 1034
          },
          "completeEntryToSendReturn": {
            "n": 1200,
            "min": 0.6999988555908203,
            "mean": 0.9849166297912597,
            "p50": 0.9000015258789062,
            "p95": 1.3000011444091797,
            "p99": 1.5,
            "max": 1.7999992370605469,
            "zeroCount": 0
          },
          "frameTimestampToSendEntry": {
            "n": 1200,
            "min": 17.600000381469727,
            "mean": 20.33175004005432,
            "p50": 20.200000762939453,
            "p95": 21.19999885559082,
            "p99": 22.102000370025632,
            "max": 23.100000381469727,
            "zeroCount": 0
          }
        },
        "wholeHostResources": {
          "gpu_active_ratio": {
            "n": 19,
            "min": 0.7709763646125793,
            "mean": 0.7913322793809991,
            "p50": 0.7916930913925171,
            "p95": 0.8038219630718231,
            "p99": 0.8049994313716888,
            "max": 0.8052937984466553,
            "zeroCount": 0
          },
          "gpu_scaled_ratio": {
            "n": 19,
            "min": 0.6973559856414795,
            "mean": 0.7116242804025349,
            "p50": 0.7134303450584412,
            "p95": 0.7252262473106384,
            "p99": 0.7289918112754822,
            "max": 0.7299332022666931,
            "zeroCount": 0
          },
          "gpu_freq_mhz": {
            "n": 19,
            "min": 1287,
            "mean": 1321.578947368421,
            "p50": 1317.0,
            "p95": 1356.1,
            "p99": 1356.82,
            "max": 1357,
            "zeroCount": 0
          },
          "gpu_power": {
            "n": 19,
            "min": 5.174498081207275,
            "mean": 5.385830176504035,
            "p50": 5.386569976806641,
            "p95": 5.629890489578246,
            "p99": 5.840914163589478,
            "max": 5.893670082092285,
            "zeroCount": 0
          },
          "cpu_power": {
            "n": 19,
            "min": 3.215806007385254,
            "mean": 4.057591375551726,
            "p50": 4.042535305023193,
            "p95": 5.034475803375244,
            "p99": 5.037675571441651,
            "max": 5.038475513458252,
            "zeroCount": 0
          },
          "all_power": {
            "n": 19,
            "min": 8.429367065429688,
            "mean": 9.444413837633634,
            "p50": 9.26591682434082,
            "p95": 10.448332595825196,
            "p99": 10.492242202758788,
            "max": 10.503219604492188,
            "zeroCount": 0
          },
          "sys_power": {
            "n": 19,
            "min": 24.096458435058594,
            "mean": 26.365063918264287,
            "p50": 26.784700393676758,
            "p95": 28.58276481628418,
            "p99": 29.098251571655275,
            "max": 29.227123260498047,
            "zeroCount": 0
          },
          "cpu_active_ratio": {
            "n": 19,
            "min": 0.31681984663009644,
            "mean": 0.4169020856681623,
            "p50": 0.4026506543159485,
            "p95": 0.5286894977092742,
            "p99": 0.5412589299678803,
            "max": 0.5444012880325317,
            "zeroCount": 0
          }
        },
        "stablePidCpuDelta": {
          "daemon": {
            "pids": [
              20884
            ],
            "sampleSpanSeconds": 19.14579833984375,
            "cpuSeconds": 3.85,
            "percentOfOneCore": 20.108850681811894
          },
          "producer": {
            "pids": [
              21064,
              20971,
              21132,
              21037,
              21038,
              20975,
              20976,
              20977,
              20979,
              20980,
              20981
            ],
            "sampleSpanSeconds": 19.14579833984375,
            "cpuSeconds": 12.61,
            "percentOfOneCore": 65.86301483055792
          },
          "producerGPU": {
            "pids": [
              20975
            ],
            "sampleSpanSeconds": 19.14579833984375,
            "cpuSeconds": 2.67,
            "percentOfOneCore": 13.945618524789028
          },
          "producerRenderer": {
            "pids": [
              21064,
              20979,
              20980,
              20981
            ],
            "sampleSpanSeconds": 19.14579833984375,
            "cpuSeconds": 7.05,
            "percentOfOneCore": 36.82270059916203
          },
          "consumer": {
            "pids": [
              21088,
              20901,
              20902,
              20903,
              20905,
              20906,
              20907,
              20940,
              21079,
              20920,
              20921,
              20895
            ],
            "sampleSpanSeconds": 19.14579833984375,
            "cpuSeconds": 8.180000000000001,
            "percentOfOneCore": 42.72477885122631
          },
          "consumerGPU": {
            "pids": [
              20901
            ],
            "sampleSpanSeconds": 19.14579833984375,
            "cpuSeconds": 4.210000000000001,
            "percentOfOneCore": 21.989158797513788
          },
          "consumerRenderer": {
            "pids": [
              20905,
              20906,
              20907,
              20940
            ],
            "sampleSpanSeconds": 19.14579833984375,
            "cpuSeconds": 2.12,
            "percentOfOneCore": 11.072925570244472
          },
          "cameraExtension": {
            "pids": [
              6767
            ],
            "sampleSpanSeconds": 19.14579833984375,
            "cpuSeconds": 1.1899999999999977,
            "percentOfOneCore": 6.215462938014573
          },
          "windowServer": {
            "pids": [
              457
            ],
            "sampleSpanSeconds": 19.14579833984375,
            "cpuSeconds": 8.57999999995809,
            "percentOfOneCore": 44.81401009067618
          },
          "controlledLoad": {
            "pids": [
              21154,
              21155,
              21156,
              21159,
              21161,
              21166,
              21150
            ],
            "sampleSpanSeconds": 19.14579833984375,
            "cpuSeconds": 3.2700000000000005,
            "percentOfOneCore": 17.07946538429218
          }
        }
      }
    }
  ]
}