{
  "schema": 3,
  "crate": "ruststream-gcp-pubsub",
  "crate_version": "0.7.0",
  "core_version": "0.7.0-rc.9",
  "measured_at": "2026-09-23",
  "environment": {
    "cpu": "AMD Ryzen 9 7900X 12-Core Processor",
    "architecture": "x86_64",
    "cpu_frequency": "427-5912 MHz",
    "cores": "12 physical, 24 logical",
    "memory": "62.4 GiB",
    "memory_speed": "unknown",
    "os": "Linux 7.2.6-x64v3-xanmod1-1",
    "broker": "Pub/Sub emulator, gcr.io/google.com/cloudsdktool/google-cloud-cli:emulators, Google Cloud SDK 578.0.0, in Docker on localhost",
    "round_trip": "0.282 ms (20000 GetSubscription calls on one connection); a delivery is charged 1 of them",
    "rustc": "1.98.1",
    "profile": "bench, inheriting release (opt-level = 3, lto = false, codegen-units = 16)",
    "features": "ruststream-gcp-pubsub default (none), ruststream macros,json; google-cloud-pubsub 1.3.0",
    "rustflags": "none (the recipe clears RUSTFLAGS, so the numbers are not tied to this CPU)",
    "valgrind": "3.25.1"
  },
  "scenarios": [
    {
      "name": "Streaming pull, 512 B JSON, ack each",
      "unit": "msg/s",
      "messages": 11542,
      "pairs": 3,
      "raw": {
        "best": 1822,
        "median": 1815,
        "worst": 1809
      },
      "adapter": {
        "best": 1827,
        "median": 1827,
        "worst": 1822
      },
      "framework": {
        "best": 1838,
        "median": 1828,
        "worst": 1826
      },
      "overhead_percent": -0.9,
      "adapter_overhead_percent": -0.3,
      "verdict": "measured",
      "adapter_verdict": "indistinguishable",
      "broker_bound": true
    },
    {
      "name": "Streaming pull with ordering keys, 512 B JSON, ack each",
      "unit": "msg/s",
      "messages": 12540,
      "pairs": 3,
      "raw": {
        "best": 1994,
        "median": 1994,
        "worst": 1994
      },
      "adapter": {
        "best": 1993,
        "median": 1993,
        "worst": 1993
      },
      "framework": {
        "best": 1994,
        "median": 1993,
        "worst": 1993
      },
      "overhead_percent": 0.0,
      "adapter_overhead_percent": 0.0,
      "verdict": "indistinguishable",
      "adapter_verdict": "indistinguishable",
      "broker_bound": true
    }
  ],
  "code": [
    {
      "name": "consume, JSON decode into a small struct, ack each",
      "messages": 1000,
      "framework": {
        "instructions": 13227.7,
        "allocations": 5.3
      },
      "cold": {
        "instructions": 91123146,
        "allocations": 7533
      },
      "gated": true
    },
    {
      "name": "reply to a declared topic, each confirmed before the next delivery",
      "messages": 1000,
      "framework": {
        "instructions": 134591.4,
        "allocations": 90.5
      },
      "cold": {
        "instructions": 91134341,
        "allocations": 7555
      },
      "gated": true
    },
    {
      "name": "consume in batches of 64, assembled on the client",
      "messages": 1000,
      "framework": {
        "instructions": 13130.4,
        "allocations": 5.4
      },
      "cold": {
        "instructions": 91139168,
        "allocations": 7537
      },
      "gated": true
    }
  ]
}