{
  "schemaVersion": 2,
  "generatedAt": "2026-08-24T04:25:41.750Z",
  "package": {
    "name": "event-pubsub",
    "version": "6.1.1",
    "commit": "38312608056be9c3a33cf6230762c11d7cb2c87c"
  },
  "environment": {
    "node": "v24.18.0",
    "v8": "13.6.233.17-node.50",
    "platform": "linux",
    "osRelease": "6.17.0-1022-azure",
    "architecture": "x64",
    "cpuModel": "AMD EPYC 9V74 80-Core Processor",
    "logicalCpus": 4,
    "execArgv": []
  },
  "methodology": {
    "clock": "process.hrtime.bigint",
    "statistic": "median with p25 and p75",
    "sampleCount": 7,
    "targetSampleNanoseconds": 250000000,
    "timingBoundary": "execute(operations) only",
    "excluded": [
      "scenario setup",
      "behavior validation",
      "iteration calibration",
      "warmup",
      "post-run verification",
      "summary calculation",
      "serialization",
      "file I/O",
      "CI orchestration"
    ],
    "harnessAdjustment": "none; fixed-count loops avoid per-operation clock reads and deadline polling",
    "checksum": "observed from timed handler effects where dispatch invokes subscribers"
  },
  "scenarios": [
    {
      "id": "typed-emit-1",
      "name": "Typed emit · 1 handler",
      "group": "dispatch",
      "description": "One stable typed subscriber with one payload value.",
      "unit": "ns/emit",
      "workload": {
        "setup": "Create one emitter and register one minimal observable typed handler.",
        "timed": "events.emit('pulse', 42)",
        "apiCallsPerOperation": 1,
        "handlerInvocationsPerOperation": 1,
        "payloadValues": 1
      },
      "samples": [
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          "operations": 8955377,
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          "nanosecondsPerOperation": 25.731555801615052,
          "operationsPerSecond": 38862788.07662436,
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        {
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          "operations": 8955377,
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          "nanosecondsPerOperation": 25.887449629423752,
          "operationsPerSecond": 38628756.95809745,
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          "index": 3,
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          "operationsPerSecond": 38787223.64784714,
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        {
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        {
          "index": 6,
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          "nanosecondsPerOperation": 25.73379479166539,
          "operationsPerSecond": 38859406.787679754,
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          "index": 7,
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          "nanosecondsPerOperation": 25.684773628178913,
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        "medianNanosecondsPerOperation": 25.73379479166539,
        "p25NanosecondsPerOperation": 25.729377948019383,
        "p75NanosecondsPerOperation": 25.83456754528592,
        "minNanosecondsPerOperation": 25.684773628178913,
        "maxNanosecondsPerOperation": 25.954854273583347,
        "medianOperationsPerSecond": 38859406.787679754
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    },
    {
      "id": "typed-emit-5",
      "name": "Typed emit · 5 handlers",
      "group": "dispatch",
      "description": "Five stable typed subscribers with one payload value.",
      "unit": "ns/emit",
      "workload": {
        "setup": "Create one emitter and register five distinct minimal observable typed handlers.",
        "timed": "events.emit('pulse', 42)",
        "apiCallsPerOperation": 1,
        "handlerInvocationsPerOperation": 5,
        "payloadValues": 1
      },
      "samples": [
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          "operationsPerSecond": 22792010.717320874,
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          "index": 4,
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          "operationsPerSecond": 22780319.30798222,
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        {
          "index": 5,
          "operations": 5705773,
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          "nanosecondsPerOperation": 43.95444000313367,
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        {
          "index": 6,
          "operations": 5705773,
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          "index": 7,
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        "medianNanosecondsPerOperation": 43.95444000313367,
        "p25NanosecondsPerOperation": 43.88628210410754,
        "p75NanosecondsPerOperation": 43.969869376156396,
        "minNanosecondsPerOperation": 43.864865812222114,
        "maxNanosecondsPerOperation": 44.59759930863005,
        "medianOperationsPerSecond": 22750830.1761712
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    },
    {
      "id": "typed-emit-20",
      "name": "Typed emit · 20 handlers",
      "group": "dispatch",
      "description": "Twenty stable typed subscribers with one payload value.",
      "unit": "ns/emit",
      "workload": {
        "setup": "Create one emitter and register twenty distinct minimal observable typed handlers.",
        "timed": "events.emit('pulse', 42)",
        "apiCallsPerOperation": 1,
        "handlerInvocationsPerOperation": 20,
        "payloadValues": 1
      },
      "samples": [
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          "operations": 2330686,
          "elapsedNanoseconds": 250332641,
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          "operationsPerSecond": 9310355.9755118,
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          "index": 2,
          "operations": 2330686,
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          "nanosecondsPerOperation": 107.40089784724326,
          "operationsPerSecond": 9310909.126870655,
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        {
          "index": 3,
          "operations": 2330686,
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          "nanosecondsPerOperation": 107.7228871671259,
          "operationsPerSecond": 9283078.334584156,
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        {
          "index": 4,
          "operations": 2330686,
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          "nanosecondsPerOperation": 107.41673653164776,
          "operationsPerSecond": 9309536.225813136,
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          "index": 5,
          "operations": 2330686,
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          "index": 6,
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        {
          "index": 7,
          "operations": 2330686,
          "elapsedNanoseconds": 252260349,
          "nanosecondsPerOperation": 108.23437777547039,
          "operationsPerSecond": 9239208.65581614,
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        "medianNanosecondsPerOperation": 107.40727880117699,
        "p25NanosecondsPerOperation": 107.39299974342319,
        "p75NanosecondsPerOperation": 107.56981184938684,
        "minNanosecondsPerOperation": 107.30794538603655,
        "maxNanosecondsPerOperation": 108.23437777547039,
        "medianOperationsPerSecond": 9310355.9755118
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    },
    {
      "id": "wildcard-typed-emit",
      "name": "Wildcard + typed emit",
      "group": "dispatch",
      "description": "One wildcard subscriber followed by five typed subscribers.",
      "unit": "ns/emit",
      "workload": {
        "setup": "Create one emitter with one wildcard and five distinct minimal observable typed handlers.",
        "timed": "events.emit('pulse', 42)",
        "apiCallsPerOperation": 1,
        "handlerInvocationsPerOperation": 6,
        "payloadValues": 1
      },
      "samples": [
        {
          "index": 1,
          "operations": 3654604,
          "elapsedNanoseconds": 252774624,
          "nanosecondsPerOperation": 69.16607763796023,
          "operationsPerSecond": 14457954.450364448,
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        {
          "index": 2,
          "operations": 3654604,
          "elapsedNanoseconds": 248504090,
          "nanosecondsPerOperation": 67.99754227817843,
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        {
          "index": 3,
          "operations": 3654604,
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          "index": 5,
          "operations": 3654604,
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        {
          "index": 7,
          "operations": 3654604,
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      "summary": {
        "medianNanosecondsPerOperation": 68.78905320521731,
        "p25NanosecondsPerOperation": 68.03169796235105,
        "p75NanosecondsPerOperation": 70.35535710572199,
        "minNanosecondsPerOperation": 67.9831883290228,
        "maxNanosecondsPerOperation": 71.82203215450977,
        "medianOperationsPerSecond": 14537196.739962615
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    },
    {
      "id": "once-emit-cycle",
      "name": "Once register + emit",
      "group": "lifecycle",
      "description": "Register, invoke, and remove one one-shot subscriber.",
      "unit": "ns/cycle",
      "workload": {
        "setup": "Create one empty emitter and one reusable minimal observable handler.",
        "timed": "events.once('pulse', handler).emit('pulse')",
        "apiCallsPerOperation": 2,
        "handlerInvocationsPerOperation": 1,
        "payloadValues": 0
      },
      "samples": [
        {
          "index": 1,
          "operations": 1566231,
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          "index": 3,
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          "index": 4,
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          "operationsPerSecond": 6777040.997452342,
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        {
          "index": 5,
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          "index": 6,
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          "index": 7,
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        "medianNanosecondsPerOperation": 148.04775860010432,
        "p25NanosecondsPerOperation": 147.91772478006118,
        "p75NanosecondsPerOperation": 150.2282169743799,
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        "maxNanosecondsPerOperation": 153.26369162658636,
        "medianOperationsPerSecond": 6754577.100360744
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    },
    {
      "id": "on-off-cycle",
      "name": "On + off pair",
      "group": "lifecycle",
      "description": "Append one typed subscriber and remove the matching record.",
      "unit": "ns/cycle",
      "workload": {
        "setup": "Create one empty emitter and one reusable no-op handler.",
        "timed": "events.on('pulse', handler).off('pulse', handler)",
        "apiCallsPerOperation": 2,
        "handlerInvocationsPerOperation": 0,
        "payloadValues": 0
      },
      "samples": [
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          "index": 1,
          "operations": 1665867,
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        "maxNanosecondsPerOperation": 154.25994812310947,
        "medianOperationsPerSecond": 6648686.852148283
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    },
    {
      "id": "list-snapshot-5",
      "name": "List snapshot · 5 handlers",
      "group": "state",
      "description": "Create an isolated snapshot for one five-subscriber type.",
      "unit": "ns/snapshot",
      "workload": {
        "setup": "Create one emitter with five typed handlers.",
        "timed": "snapshot = events.list",
        "apiCallsPerOperation": 1,
        "handlerInvocationsPerOperation": 0,
        "payloadValues": 0
      },
      "samples": [
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    },
    {
      "id": "register-5-reset-cycle",
      "name": "Register 5 + reset cycle",
      "group": "state",
      "description": "Register five typed subscribers and clear the complete registry.",
      "unit": "ns/cycle",
      "workload": {
        "setup": "Create one empty emitter and one reusable no-op handler.",
        "timed": "five events.on('pulse', handler) calls, then events.reset()",
        "apiCallsPerOperation": 6,
        "handlerInvocationsPerOperation": 0,
        "payloadValues": 0
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      "samples": [
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  ]
}