{
  "evidence": "E2 synthetic actual 300MiB payload, sequential AB/BA, 20 rounds each",
  "limitations": [
    "not a device or live-event-loop benchmark",
    "OS-cache block counters not physical I/O peaks",
    "recovery validation retains whole raw objects",
    "macOS RSS bytes"
  ],
  "summary": {
    "baseline": {
      "medianWriteMs": 654.9495090002893,
      "p95WriteMs": 769.7659629993723,
      "maxWriteMs": 963.399816000674,
      "medianCpuMs": 632.9179999999999,
      "peakRSSBytes": 35414016
    },
    "checkpoint": {
      "medianWriteMs": 663.7815475005482,
      "p95WriteMs": 820.0153010002396,
      "maxWriteMs": 992.6914170009695,
      "medianCpuMs": 638.0034999999999,
      "peakRSSBytes": 35545088
    }
  },
  "runs": [
    {
      "mode": "baseline",
      "writeMs": 963.399816000674,
      "cpuMs": 674.549,
      "writerPeakRSSBytes": 35266560,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 1
    },
    {
      "mode": "checkpoint",
      "writeMs": 820.0153010002396,
      "cpuMs": 650.0989999999999,
      "writerPeakRSSBytes": 35188736,
      "checkpointMs": [
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        6.561971000337508,
        5.1019060010730755
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      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1326.0641340002621,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352059392,
      "round": 1
    },
    {
      "mode": "checkpoint",
      "writeMs": 992.6914170009695,
      "cpuMs": 740.222,
      "writerPeakRSSBytes": 35180544,
      "checkpointMs": [
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        8.99679800022568,
        5.576587000177824
      ],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1222.998473998814,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352071680,
      "round": 2
    },
    {
      "mode": "baseline",
      "writeMs": 650.1531469984911,
      "cpuMs": 625.1709999999999,
      "writerPeakRSSBytes": 35221504,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 2
    },
    {
      "mode": "baseline",
      "writeMs": 769.7659629993723,
      "cpuMs": 635.659,
      "writerPeakRSSBytes": 35364864,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 3
    },
    {
      "mode": "checkpoint",
      "writeMs": 666.1626739987696,
      "cpuMs": 636.1729999999999,
      "writerPeakRSSBytes": 35188736,
      "checkpointMs": [
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      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1139.399615000002,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352067584,
      "round": 3
    },
    {
      "mode": "checkpoint",
      "writeMs": 695.0378769997769,
      "cpuMs": 664.0869999999999,
      "writerPeakRSSBytes": 35299328,
      "checkpointMs": [
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        5.3302479991543805
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      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1100.3648610003438,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352169984,
      "round": 4
    },
    {
      "mode": "baseline",
      "writeMs": 643.1206730012491,
      "cpuMs": 616.039,
      "writerPeakRSSBytes": 35168256,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 4
    },
    {
      "mode": "baseline",
      "writeMs": 666.3190399995074,
      "cpuMs": 617.454,
      "writerPeakRSSBytes": 35119104,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 5
    },
    {
      "mode": "checkpoint",
      "writeMs": 671.2431720006862,
      "cpuMs": 641.375,
      "writerPeakRSSBytes": 35328000,
      "checkpointMs": [
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      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1100.4481770014536,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352206848,
      "round": 5
    },
    {
      "mode": "checkpoint",
      "writeMs": 660.7092630001716,
      "cpuMs": 635.4269999999999,
      "writerPeakRSSBytes": 35282944,
      "checkpointMs": [
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      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1274.9437200000102,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352165888,
      "round": 6
    },
    {
      "mode": "baseline",
      "writeMs": 646.8180789997859,
      "cpuMs": 619.882,
      "writerPeakRSSBytes": 35205120,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 6
    },
    {
      "mode": "baseline",
      "writeMs": 640.7357589996536,
      "cpuMs": 614.707,
      "writerPeakRSSBytes": 35078144,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 7
    },
    {
      "mode": "checkpoint",
      "writeMs": 654.6515120007825,
      "cpuMs": 623.298,
      "writerPeakRSSBytes": 35172352,
      "checkpointMs": [
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      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1218.8044829999853,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352055296,
      "round": 7
    },
    {
      "mode": "checkpoint",
      "writeMs": 676.2734650001221,
      "cpuMs": 646.318,
      "writerPeakRSSBytes": 35393536,
      "checkpointMs": [
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        5.106650000016089
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      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1133.5500900004263,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352272384,
      "round": 8
    },
    {
      "mode": "baseline",
      "writeMs": 628.256144000261,
      "cpuMs": 602.066,
      "writerPeakRSSBytes": 35270656,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 8
    },
    {
      "mode": "baseline",
      "writeMs": 636.69467499858,
      "cpuMs": 609.523,
      "writerPeakRSSBytes": 35266560,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 9
    },
    {
      "mode": "checkpoint",
      "writeMs": 662.6036150009895,
      "cpuMs": 632.131,
      "writerPeakRSSBytes": 35188736,
      "checkpointMs": [
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        4.944504000377492,
        5.031656000937801
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      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1120.6380160001572,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352063488,
      "round": 9
    },
    {
      "mode": "checkpoint",
      "writeMs": 647.9298800004472,
      "cpuMs": 619.3720000000001,
      "writerPeakRSSBytes": 35336192,
      "checkpointMs": [
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        4.905236000922741,
        4.312404998927377
      ],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1237.7292620003573,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352243712,
      "round": 10
    },
    {
      "mode": "baseline",
      "writeMs": 648.3492850002222,
      "cpuMs": 630.1769999999999,
      "writerPeakRSSBytes": 35086336,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 10
    },
    {
      "mode": "baseline",
      "writeMs": 640.9639570010768,
      "cpuMs": 617.644,
      "writerPeakRSSBytes": 35041280,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 11
    },
    {
      "mode": "checkpoint",
      "writeMs": 653.9846010000474,
      "cpuMs": 622.8149999999999,
      "writerPeakRSSBytes": 35291136,
      "checkpointMs": [
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      "inputBlocks": 0,
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      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1185.707769000146,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352174080,
      "round": 11
    },
    {
      "mode": "checkpoint",
      "writeMs": 654.0844149985787,
      "cpuMs": 633.149,
      "writerPeakRSSBytes": 35336192,
      "checkpointMs": [
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        3.432993000387796,
        3.712282999913441
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      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1252.523597999243,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352223232,
      "round": 12
    },
    {
      "mode": "baseline",
      "writeMs": 671.0618249999243,
      "cpuMs": 654.933,
      "writerPeakRSSBytes": 35168256,
      "checkpointMs": [],
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      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 12
    },
    {
      "mode": "baseline",
      "writeMs": 673.7678370009235,
      "cpuMs": 650.0559999999999,
      "writerPeakRSSBytes": 35131392,
      "checkpointMs": [],
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      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 13
    },
    {
      "mode": "checkpoint",
      "writeMs": 662.6664310006163,
      "cpuMs": 632.952,
      "writerPeakRSSBytes": 35102720,
      "checkpointMs": [
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      "inputBlocks": 0,
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      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1127.9194159997132,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 351973376,
      "round": 13
    },
    {
      "mode": "checkpoint",
      "writeMs": 669.3777299988142,
      "cpuMs": 642.7689999999999,
      "writerPeakRSSBytes": 35033088,
      "checkpointMs": [
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      "inputBlocks": 0,
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      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1210.2125459987292,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 351911936,
      "round": 14
    },
    {
      "mode": "baseline",
      "writeMs": 640.9293460001209,
      "cpuMs": 616.09,
      "writerPeakRSSBytes": 35201024,
      "checkpointMs": [],
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      "logicalPayloadBytes": 314572800,
      "round": 14
    },
    {
      "mode": "baseline",
      "writeMs": 664.4703100009792,
      "cpuMs": 645.409,
      "writerPeakRSSBytes": 35323904,
      "checkpointMs": [],
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      "logicalPayloadBytes": 314572800,
      "round": 15
    },
    {
      "mode": "checkpoint",
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      "cpuMs": 632.3499999999999,
      "writerPeakRSSBytes": 35368960,
      "checkpointMs": [
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      "inputBlocks": 0,
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      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1184.8111520012026,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352260096,
      "round": 15
    },
    {
      "mode": "checkpoint",
      "writeMs": 805.9684079998988,
      "cpuMs": 789.7229999999998,
      "writerPeakRSSBytes": 35545088,
      "checkpointMs": [
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      "inputBlocks": 0,
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      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1291.0124520003592,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352419840,
      "round": 16
    },
    {
      "mode": "baseline",
      "writeMs": 654.4786590002332,
      "cpuMs": 636.2130000000001,
      "writerPeakRSSBytes": 35414016,
      "checkpointMs": [],
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      "logicalPayloadBytes": 314572800,
      "round": 16
    },
    {
      "mode": "baseline",
      "writeMs": 656.8963400004577,
      "cpuMs": 640.036,
      "writerPeakRSSBytes": 35368960,
      "checkpointMs": [],
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      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 17
    },
    {
      "mode": "checkpoint",
      "writeMs": 668.3287559990276,
      "cpuMs": 645.847,
      "writerPeakRSSBytes": 35082240,
      "checkpointMs": [
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      "inputBlocks": 0,
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      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1298.770241000966,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 351997952,
      "round": 17
    },
    {
      "mode": "checkpoint",
      "writeMs": 656.133428999965,
      "cpuMs": 634.803,
      "writerPeakRSSBytes": 35155968,
      "checkpointMs": [
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      "inputBlocks": 0,
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      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1174.3328850006947,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352047104,
      "round": 18
    },
    {
      "mode": "baseline",
      "writeMs": 655.6532499998866,
      "cpuMs": 637.67,
      "writerPeakRSSBytes": 35246080,
      "checkpointMs": [],
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      "logicalPayloadBytes": 314572800,
      "round": 18
    },
    {
      "mode": "baseline",
      "writeMs": 655.4203590003453,
      "cpuMs": 638.639,
      "writerPeakRSSBytes": 35258368,
      "checkpointMs": [],
      "inputBlocks": 0,
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      "logicalPayloadBytes": 314572800,
      "round": 19
    },
    {
      "mode": "checkpoint",
      "writeMs": 664.8966640004801,
      "cpuMs": 640.8009999999999,
      "writerPeakRSSBytes": 35491840,
      "checkpointMs": [
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      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1178.2850030012924,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352387072,
      "round": 19
    },
    {
      "mode": "checkpoint",
      "writeMs": 660.8471529998496,
      "cpuMs": 639.834,
      "writerPeakRSSBytes": 35295232,
      "checkpointMs": [
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      "inputBlocks": 0,
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      "logicalPayloadBytes": 314572800,
      "recoveryMs": 1188.9609260015277,
      "recoveredEvents": 30,
      "recoveryPeakRSSBytes": 352186368,
      "round": 20
    },
    {
      "mode": "baseline",
      "writeMs": 684.7187769999437,
      "cpuMs": 635.88,
      "writerPeakRSSBytes": 35258368,
      "checkpointMs": [],
      "inputBlocks": 0,
      "outputBlocks": 0,
      "logicalPayloadBytes": 314572800,
      "round": 20
    }
  ],
  "sourceSHA256": {
    "MacApp/Sidecar/perfowl_collector_core/recording.py": "ae1fe75525eba5f97da6df0f9d5a3908efed35b86a5827874187247549fd24ce",
    "MacApp/Sidecar/perfowl_collector_core/recovery.py": "f8760bc052ff8f1d7193370b44d7f327f47a369d5d544ace63b888567b872a1b"
  }
}