{
  "schemaVersion": 1,
  "generatedAt": "2026-07-21T20:31:30.847Z",
  "decision": "evidence only; confirms the unchanged <=10000 fast path, while the above-10000 batching candidate was rejected and reverted",
  "environment": {
    "node": "v26.5.0",
    "platform": "darwin",
    "release": "25.5.0",
    "arch": "arm64",
    "cpu": "Apple M4 Pro",
    "logicalCpus": 14,
    "gcExposed": true
  },
  "config": {
    "suite": "dedup",
    "warmup": 7,
    "samples": 41,
    "queueCounts": [
      64,
      256,
      1024,
      10000,
      50000
    ],
    "progressCases": [
      {
        "items": 1,
        "updates": 100
      },
      {
        "items": 10,
        "updates": 500
      },
      {
        "items": 100,
        "updates": 5000
      },
      {
        "items": 1000,
        "updates": 10000
      },
      {
        "items": 10000,
        "updates": 5000
      }
    ],
    "hashCounts": [
      1000
    ],
    "dedupBatchSize": 10000,
    "dedupConcurrency": 4,
    "serverLatencyMs": 0,
    "modeledFileBytes": 65536
  },
  "notes": {
    "heap": "Median heap delta is indicative only; timing is the primary microbenchmark metric.",
    "dedup": "The current >10k path is faster only because it is rejected and returns no owned hashes."
  },
  "suites": {
    "dedup": [
      {
        "hashCount": 1000,
        "current": {
          "sampleCount": 41,
          "medianMs": 5.374666999999988,
          "p95Ms": 30.969750000000204,
          "minMs": 1.3017919999999776,
          "maxMs": 59.26037499999984,
          "medianHeapDeltaBytes": 575104,
          "medianRssDeltaBytes": 0
        },
        "candidate": {
          "sampleCount": 41,
          "medianMs": 4.9794579999999655,
          "p95Ms": 42.28670899999997,
          "minMs": 1.1001249999999345,
          "maxMs": 125.80937499999999,
          "medianHeapDeltaBytes": 574760,
          "medianRssDeltaBytes": 0
        },
        "speedup": 1.0793678749775628,
        "representative": {
          "current": {
            "checksum": 249500,
            "ownedCount": 500,
            "contentBytesAvoided": 32768000,
            "requests": 1,
            "acceptedRequests": 1,
            "rejectedRequests": 0,
            "requestBytes": 67012,
            "responseBytes": 33511,
            "maxBatchHashes": 1000
          },
          "candidate": {
            "checksum": 249500,
            "ownedCount": 500,
            "contentBytesAvoided": 32768000,
            "requests": 1,
            "acceptedRequests": 1,
            "rejectedRequests": 0,
            "requestBytes": 67012,
            "responseBytes": 33511,
            "maxBatchHashes": 1000
          }
        }
      }
    ]
  },
  "blackhole": 0
}