ruststream 0.7.0

Async messaging framework for Rust: broker-agnostic traits, router, codecs, and a conformance harness for broker authors.
Documentation 
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{
  "schema": 2,
  "crate": "ruststream",
  "crate_version": "0.7.0-rc.9",
  "core_version": "0.7.0-rc.9",
  "measured_at": "2026-09-21",
  "environment": {
    "cpu": "AMD Ryzen 9 7900X 12-Core Processor",
    "architecture": "x86_64 (x86-64-v4)",
    "cpu_frequency": "base unknown, min 427 MHz, max 5912 MHz",
    "cores": "12 physical, 24 logical",
    "memory": "62.4 GiB",
    "memory_speed": "4800 MT/s, 6000 MT/s, DDR5",
    "os": "Linux 7.2.6-x64v3-xanmod1-1",
    "rustc": "1.98.1",
    "valgrind": "3.25.1",
    "profile": "bench, inheriting release (opt-level = 3, lto = fat, codegen-units = 16, debug = line-tables-only)",
    "features": "--no-default-features --features memory,macros,json",
    "rustflags": ""
  },
  "code": [
    {
      "name": "consume, JSON decode into a small struct",
      "messages": 1000,
      "framework": {
        "instructions": 1739.1,
        "allocations": 0.0
      },
      "cold": {
        "instructions": 15116,
        "allocations": 26
      },
      "gated": true
    },
    {
      "name": "consume, JSON decode of a 1 KB body",
      "messages": 1000,
      "framework": {
        "instructions": 17182.3,
        "allocations": 0.0
      },
      "cold": {
        "instructions": 30798,
        "allocations": 26
      },
      "gated": true
    },
    {
      "name": "consume on the byte lane, no codec",
      "messages": 1000,
      "framework": {
        "instructions": 900.1,
        "allocations": 0.0
      },
      "cold": {
        "instructions": 14276,
        "allocations": 26
      },
      "gated": true
    },
    {
      "name": "consume through a middleware stack of one",
      "messages": 1000,
      "framework": {
        "instructions": 1799.1,
        "allocations": 0.0
      },
      "cold": {
        "instructions": 15276,
        "allocations": 26
      },
      "gated": true
    },
    {
      "name": "consume through a middleware stack of four",
      "messages": 1000,
      "framework": {
        "instructions": 1837.1,
        "allocations": 0.0
      },
      "cold": {
        "instructions": 15314,
        "allocations": 26
      },
      "gated": true
    },
    {
      "name": "consume in batches of 64",
      "messages": 1000,
      "framework": {
        "instructions": 1546.0,
        "allocations": 0.094
      },
      "cold": {
        "instructions": 16357,
        "allocations": 29
      },
      "gated": true
    },
    {
      "name": "reply, encoded to a declared destination",
      "messages": 1000,
      "framework": {
        "instructions": 2877.0,
        "allocations": 2.0
      },
      "cold": {
        "instructions": 17022,
        "allocations": 29
      },
      "gated": true
    },
    {
      "name": "reply to a transport that reads the payload",
      "messages": 1000,
      "framework": {
        "instructions": 2415.1,
        "allocations": 0.0
      },
      "cold": {
        "instructions": 16636,
        "allocations": 29
      },
      "gated": true
    },
    {
      "name": "publish through an Out slot with one transform",
      "messages": 1000,
      "framework": {
        "instructions": 4174.1,
        "allocations": 6.0
      },
      "cold": {
        "instructions": 18793,
        "allocations": 33
      },
      "gated": true
    },
    {
      "name": "publish with a typed header contract",
      "messages": 1000,
      "framework": {
        "instructions": 4313.3,
        "allocations": 5.0
      },
      "cold": {
        "instructions": 18754,
        "allocations": 32
      },
      "gated": true
    },
    {
      "name": "read a typed header contract, then publish",
      "messages": 1000,
      "framework": {
        "instructions": 4527.1,
        "allocations": 2.0
      },
      "cold": {
        "instructions": 18430,
        "allocations": 29
      },
      "gated": true
    },
    {
      "name": "request and reply, one round trip",
      "messages": 1000,
      "framework": {
        "instructions": 10336.2,
        "allocations": 14.0
      },
      "cold": {
        "instructions": 24478,
        "allocations": 40
      },
      "gated": true
    },
    {
      "name": "a delivery that asks to be redelivered, and the copy",
      "messages": 1000,
      "framework": {
        "instructions": 6067.0,
        "allocations": 1.0
      },
      "cold": {
        "instructions": 21268,
        "allocations": 27
      },
      "gated": false,
      "note": "cold path: measured and reported, never gated"
    }
  ]
}